My Inquiry
My Account
Renesas ZSSC3135BA1D
- Part No.:
- ZSSC3135BA1D
- Manufacturer:
- Renesas
- Category:
- Sensor and Detector Interfaces
- Package:
- -
- Datasheet:
-
ZSSC3135BA1D.pdf
- Description:
- DICE (WAFER SAWN) - WAFFLE PACK
- Quantity:
- Payment:
- Shipping:
Inventory:4,311
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ZSSC3135BA1D from Integrated Device Technology (IDT) is a CMOS sensor signal conditioner IC designed specifically for piezoresistive bridge sensors in automotive and industrial applications. It delivers 13/14-bit ADC resolution, analog gain up to 105, ratiometric analog voltage output (12.4-bit effective), and digital compensation of offset, sensitivity, temperature drift, and non-linearity. It operates across –40°C to +125°C and supports I²C™ or ZACwire™ interface for calibration and readout.
For engineers reviewing the ZSSC3135BA1D datasheet, ZSSC3135BA1D pinout, ZSSC3135BA1D application, or ZSSC3135BA1D equivalent, key selection criteria include its integrated 16-bit RISC microcontroller for on-chip correction, high-voltage protection (±33 V), reverse polarity and short-circuit protection, and AEC-Q100 qualification for harsh environments.
Technical Context
The ZSSC3135BA1D implements a fully differential analog front-end with programmable gain amplifier (PGA), multiplexer, and full-differential switched-capacitor ADC. Its internal 16-bit RISC microcontroller executes sensor-specific correction algorithms stored in ROM, using calibration coefficients written to on-chip EEPROM during one-pass end-of-line calibration.
Signal conditioning includes simultaneous acquisition of bridge sensor voltage and temperature (via internal diode or external thermistor/diode), with configurable measurement cycles and safety checks for sensor open/short conditions. Output is either ratiometric analog voltage (5–95% VDDE) or digital via ZACwire™ (One-Wire) or I²C™ interface - both used for configuration, calibration, and data readout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ADC Resolution | 13 or 14 bits - determines raw digitization fidelity and noise floor; enables ≤0.5% FSO accuracy over –40°C to +125°C. |
| Analog Gain Range | 2.8 to 105 - sets input span compatibility with bridge sensors from 2 kΩ to 25 kΩ; supports up to 275 mV/V full-scale signal. |
| Output Type | Ratiometric analog voltage (5–95% VDDE) or ZACwire™/I²C™ digital - provides flexible interface options without external DAC or level-shifting circuitry. |
| Operating Temperature | –40°C to +125°C - qualified per AEC-Q100 Grade 1; supports under-hood and industrial control environments. |
| Supply Voltage | 4.5 V to 5.5 V - tightly regulated range ensures stable reference for ratiometric output and accurate ADC conversion. |
| Protection Features | ±33 V absolute max rating, reverse polarity, short-circuit, and sensor connection loss detection - eliminates need for external TVS or protection diodes in most designs. |
| Calibration Storage | On-chip EEPROM - retains sensor-specific coefficients for offset, sensitivity, tempco, and non-linearity; supports traceable, one-pass calibration. |
Pinout & Package
The ZSSC3135BA1D is supplied in JEDEC-compliant SSOP14 package (5.0 mm × 6.2 mm, 0.635 mm pitch), RoHS-compliant and qualified for automotive use.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog supply | Provides clean 4.5–5.5 V power to analog front-end; must be decoupled with ≥100 nF capacitor near pin. |
| VSSA | Analog ground | Reference for all analog signals; requires separate low-impedance return path from digital ground (VSSE). |
| SDA | I²C™ data line | Open-drain bidirectional interface for configuration, calibration, and digital readout; pulled up externally. |
| SCL | I²C™ clock line | Input-only clock for I²C™ communication; supports up to 400 kHz at fOSC ≥ 2 MHz. |
| VDD | Digital core supply | Connected internally to VDDA; no external connection required. |
| VDDE | Output supply/reference | Defines ratiometric output scale (AOUT = 0.05–0.95 × VDDE); accepts 4.5–5.5 V, same as VDDA. |
| IRTEMP | External temperature sensor bias | Supplies 6–20 µA current to external diode or thermistor; enables precise temperature compensation. |
| VBR_T / VBR_B | Bridge sensor top/bottom inputs | Differential inputs for piezoresistive bridge; support common-mode range of 29–65% VDDA depending on PGA gain. |
| VBP / VBN | Bridge excitation outputs | Provide voltage bias to bridge sensor; VBP = VDDA, VBN = VSSA - enables constant-voltage excitation mode. |
| AOUT | Analog output | Ratiometric voltage output (5–95% VDDE); drives ≥2 kΩ load with ≤10 mVpp noise and 0.1 V/µs slew rate. |
| VSSE | Digital ground | Ground reference for digital logic and interfaces; isolated from VSSA to minimize noise coupling. |
| n.c. | No connect | Pin 5 is unconnected; must remain floating or tied to VSSE per layout guidelines. |
| GND | Package thermal pad | Exposed pad (pin 14) - must be soldered to PCB ground plane for thermal dissipation and EMI reduction. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 16-bit RISC microcontroller | Executes real-time sensor correction algorithm (offset, sensitivity, tempco, non-linearity) using EEPROM-stored coefficients - eliminates host MCU computational load. |
| Programmable gain amplifier (PGA) | Adjustable gain from 2.8 to 105 - matches wide range of piezoresistive bridge sensitivities without external op-amps or resistor networks. |
| Dual temperature sensing path | Supports internal diode or external diode/thermistor - enables accurate thermal compensation across full operating range without additional ICs. |
| One-pass end-of-line calibration | PC-controlled via I²C™ or ZACwire™ - reduces production test time and eliminates manual trimming components or potentiometers. |
| AEC-Q100 Grade 1 qualification | Validated for automotive applications including engine management, brake pressure, and HVAC sensors - ensures reliability under thermal shock, vibration, and EMI stress. |
| Failsafe sensor diagnostics | Detects open-circuit (>100 kΩ), short-circuit (<50 Ω), and asymmetry faults - provides early warning before system-level failure in safety-critical systems. |
Applications
| Automotive Brake Pressure Sensing | Industrial Hydraulic Load Monitoring |
|---|---|
Use Scenario: Real-time monitoring of hydraulic pressure in ABS or electronic brake systems under extreme temperature cycling and vibration. IC Role / Device Role / Timing Role: Signal conditioner that digitizes and corrects piezoresistive bridge output while compensating for temperature-induced drift and non-linearity. Use Value: Achieves 0.5% FSO accuracy from –40°C to +125°C without external compensation circuitry, meeting ASIL-B functional safety requirements. | Use Scenario: Continuous pressure feedback in industrial hydraulic cylinders operating in dusty, high-EMI factory environments. IC Role / Device Role / Timing Role: Front-end conditioner providing ratiometric analog output compatible with PLC analog input modules and supporting diagnostic flagging of sensor faults. Use Value: Built-in open/short detection and ±33 V protection reduce field failure rates and eliminate need for external protection components. |
| Engine Oil Pressure Monitoring | Heavy-Duty Vehicle Tire Pressure Sensing |
Use Scenario: Compact, high-reliability oil pressure transducer mounted directly on engine blocks exposed to thermal transients up to 150°C. IC Role / Device Role / Timing Role: Sensor-specific correction engine running on embedded RISC core, using on-chip EEPROM to retain calibrated coefficients across power cycles. Use Value: Extended temperature range (–40°C to +125°C) and AEC-Q100 qualification ensure long-term stability without recalibration in under-hood applications. | Use Scenario: Wireless TPMS module requiring low-power, high-accuracy analog output for local ADC sampling before RF transmission. IC Role / Device Role / Timing Role: Low-noise analog signal conditioner delivering 12.4-bit effective resolution output with <10 mVpp noise - minimizes quantization error in battery-powered systems. Use Value: 5.5 mA max supply current and support for external temperature sensor enable accurate compensation without increasing system BOM cost or size. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar sensor signal conditioning applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX1452ACM+T | 16-bit ADC, fixed 3.3 V supply, no integrated microcontroller - requires external host for correction algorithm execution. | Lacks on-chip correction; suited for designs with available MCU resources and lower temperature range (–40°C to +125°C only). | Choose when system already includes a capable host processor and cost-sensitive calibration infrastructure is preferred over integrated autonomy. |
| AD8555ARZ | Chopper-stabilized auto-zero amplifier with programmable gain and offset, but no ADC, EEPROM, or digital interface - analog-only signal chain. | Requires external ADC, memory, and microcontroller for full compensation - increases board area and design complexity. | Choose for ultra-low-drift analog amplification where digital correction is handled elsewhere, and temperature range is limited to –40°C to +125°C. |
Compared with MAX1452ACM+T and AD8555ARZ, the ZSSC3135BA1D integrates correction computation, non-volatile storage, and dual-output flexibility - reducing total component count, eliminating host dependency, and enabling direct drop-in deployment in automotive-grade piezoresistive sensor modules.
Availability
ZSSC3135BA1D is available at Aetrix Electronics and suitable for automotive brake pressure sensing, industrial hydraulic monitoring, and engine oil pressure measurement requiring stable component supply, AEC-Q100 compliance, and long-term lifecycle support.
Supply support for ZSSC3135BA1D includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Integrated Device Technology (IDT), now part of Renesas Electronics, is a global semiconductor company specializing in timing, memory interface, RF, and sensor signal conditioning solutions for automotive, industrial, and communications markets.
The ZSSC313x product line was engineered to deliver highly accurate, self-contained signal conditioning for piezoresistive bridge sensors - targeting applications demanding robustness, minimal external components, and seamless integration into safety-critical systems.
FAQ
What is the maximum operating temperature range supported by the ZSSC3135BA1D?
The ZSSC3135BA1D is rated for operation from –40°C to +125°C, matching the Advanced-Performance Temperature Range (TQA) defined in the datasheet. This version does not support the extended –40°C to +150°C range offered by the ZSSC3135BE2 variant. The device maintains 0.5% FSO accuracy across this full range when configured per specification.
Does the ZSSC3135BA1D require external components for basic operation?
Yes - the ZSSC3135BA1D requires at minimum three external capacitors: 100 nF on VDDA, 100 nF on VSSE, and 47 nF on AOUT (C3). Additional components like an external temperature sensor or pull-up resistors for I²C™ may be needed depending on configuration. No external trimming components or precision resistors are required due to on-chip calibration and gain programming.
Can the ZSSC3135BA1D interface with a microcontroller using only two wires?
Yes - the ZSSC3135BA1D supports ZACwire™, a single-wire digital interface (plus ground), enabling bidirectional communication using only one GPIO pin on the host microcontroller. This simplifies wiring in space-constrained or high-channel-count sensor nodes where I²C™ routing would increase layout complexity.
How is sensor calibration performed for the ZSSC3135BA1D?
Calibration is performed via one-pass end-of-line procedure using PC software communicating over I²C™ or ZACwire™. The ZSSC3135BA1D measures sensor output at multiple pressure/temperature points, computes correction coefficients, and stores them in on-chip EEPROM. No manual adjustment or external hardware is needed - the entire process is automated and traceable.
Is the ZSSC3135BA1D pin-compatible with other members of the ZSSC313x family?
Yes - all ZSSC313x variants, including ZSSC3135BA1D, share identical SSOP14 pinout and electrical interface definitions. Differences lie in temperature grade (TQA vs TQE), packaging (die vs packaged), and EEPROM content - allowing hardware reuse across versions when operating conditions align.
ZSSC3135BA1D Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- -
- Series:
- *
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- -
- Input Type:
- -
- Output Type:
- -
- Current - Supply:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
ZSSC3135BA1D FAQ
1.How can I place an order for ZSSC3135BA1D through Aetrix?
Please submit a Request for Quotation (RFQ) for ZSSC3135BA1D on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ZSSC3135BA1D reliable?
The price and inventory of ZSSC3135BA1D are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSSC3135BA1D is usually 5 days.
3.What payment methods are accepted for ZSSC3135BA1D?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSSC3135BA1D transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZSSC3135BA1D?
ZSSC3135BA1D orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZSSC3135BA1D order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ZSSC3135BA1D?
For technical support, including ZSSC3135BA1D datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSSC3135BA1D requirements.
6.How does Aetrix verify that ZSSC3135BA1D is sourced from the original manufacturer or authorized distributors?
All ZSSC3135BA1D products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ZSSC3135BA1D meets industry standards.
7.What is the process for return or replacement of ZSSC3135BA1D?
All ZSSC3135BA1D units undergo pre-shipment inspection (PSI). If there is an issue with ZSSC3135BA1D, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ZSSC3135BA1D part is unused and in its original packaging.
Return procedure for ZSSC3135BA1D:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ZSSC3135BA1D Tags
-
RE46C100S8TF
Microchip Technology
-
XTR111AIDRCR
Texas Instruments
-
XTR111AIDGQR
Texas Instruments
-
XTR117AIDGKR
Texas Instruments
-
XTR111AIDGQT
Texas Instruments
-
XTR115UA/2K5
Texas Instruments
-
MAX14626ETT+T
Analog Devices Inc./Maxim Integrated
-
XTR116UA/2K5
Texas Instruments
-
XTR115U/2K5
Texas Instruments
-
XTR116U/2K5
Texas Instruments
-
PGA308AIDGSR
Texas Instruments
-
XTR300AIRGWR
Texas Instruments
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
