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Texas Instruments ADS7960QDBTRQ1
- Part No.:
- ADS7960QDBTRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 38-TFSOP (0.173", 4.40mm Width)
- Datasheet:
-
ADS7960QDBTRQ1.pdf
- Description:
- IC ADC 8BIT SAR 38TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,636
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Product details
Overview
ADS7960QDBTRQ1 from Texas Instruments is a 8-bit, 12-channel automotive-grade SAR ADC with 1-MSPS throughput, 2.7–5.25 V analog supply, dual unipolar input ranges (0–2.5 V / 0–5 V), and four programmable GPIOs - used in battery-powered vehicle subsystems for real-time sensor monitoring.
For engineers reviewing the ADS7960QDBTRQ1 datasheet, ADS7960QDBTRQ1 pinout, ADS7960QDBTRQ1 application, or ADS7960QDBTRQ1 equivalent, key selection criteria include its AEC-Q100 Grade 1 qualification (–40°C to 125°C), 1-μA power-down current, 15-pF input capacitance, alarm threshold programmability per channel, and TSSOP-38 package compatibility with space-constrained automotive PCB layouts.
Technical Context
The ADS7960QDBTRQ1 implements a capacitor-based successive approximation register (SAR) architecture with integrated sample-and-hold, supporting both auto and manual channel selection modes. Its analog front-end accepts single-ended inputs across 12 channels, with high-impedance input structure enabling direct connection to resistive sensors or buffered signals like THS4031 outputs.
Digital interface uses SPI-compatible 4-wire serial protocol (CS, SCLK, SDI, SDO) with MSB-first data format and configurable timing up to 20 MHz SCLK. Two programmable alarm levels per channel are implemented via internal comparators tied to GPIO outputs, while GPIO0–GPIO3 support bidirectional configuration for system control or status signaling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 8-bit - delivers 256 discrete output codes suitable for cost-sensitive automotive monitoring where high precision is not required. |
| Channel count | 12 single-ended analog inputs - supports consolidated sensing of multiple vehicle subsystems (e.g., HVAC, lighting, battery voltage rails) without external multiplexing. |
| Sample rate | 1 MSPS maximum - enables real-time capture of fast transients such as load-dump events or PWM-controlled actuator feedback. |
| Analog supply range | 2.7 V to 5.25 V - compatible with standard automotive 3.3 V and 5 V domains, eliminating need for dedicated LDOs in many designs. |
| Power-down current | 1 μA - reduces quiescent consumption during sleep mode in always-on ECUs, extending battery life in key-off scenarios. |
| Input capacitance | 15 pF - minimizes loading on high-impedance sensor sources and simplifies anti-alias filter design. |
| Operating temperature | –40°C to +125°C ambient - meets AEC-Q100 Grade 1 requirements for under-hood and cabin-mounted electronics. |
Pinout & Package
ADS7960QDBTRQ1 is housed in a 38-pin TSSOP package (9.70 mm × 4.40 mm body size) with exposed pad for thermal management. Pin functions are validated per TI SBAS652A datasheet Section 6 (Pin Configurations and Functions).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CH0–CH11 | Analog input channel | 12 single-ended analog inputs; each independently selectable via software or hardware address lines. |
| AINP / AINM | Differential analog input pair | Supports pseudo-differential acquisition; AINM serves as reference for AINP when configured for differential mode. |
| REFP / REFM | Reference voltage terminals | Accept external 2–3 V reference (e.g., REF5025); REFM must be connected to AGND for proper biasing. |
| CS / SCLK / SDI / SDO | SPI interface signals | 4-wire serial interface compatible with standard microcontroller SPI peripherals; no external level-shifting needed for 1.7–5.25 V I/O supply. |
| GPIO0–GPIO3 | Programmable I/O | Configurable as inputs or outputs; GPIO0/GPIO1 serve as active-high alarm indicators; GPIO2 selects input range; GPIO3 enables power-down. |
| +VA / AGND / +VBD / BDGND | Power and ground domains | Separate analog/digital supplies and grounds reduce noise coupling; +VBD supports 1.7–5.25 V logic interface voltages. |
Key Features
| Feature | Design Value |
|---|---|
| Two SW-selectable unipolar input ranges | 0–2.5 V and 0–5 V ranges allow flexible scaling for diverse sensor outputs without external gain stages. |
| Two programmable alarm levels per channel | Per-channel high/low thresholds trigger GPIO outputs, enabling autonomous fault detection without host CPU polling. |
| Four individually configurable GPIOs | GPIOs support mixed input/output roles - e.g., one GPIO can monitor an external switch while another drives an LED indicator. |
| 1-MHz sample-rate serial interface | Full 12-bit conversion completes in ≤800 ns at 20-MHz SCLK, enabling tight timing control in deterministic real-time systems. |
| AEC-Q100 qualified Grade 1 | Validated for –40°C to +125°C operation with HBM ESD Level H2 and CDM Level C4B - suitable for engine control, ADAS, and body electronics. |
Applications
| Engine Control Unit (ECU) Sensor Monitoring | Automotive Battery Management |
|---|---|
Use Scenario: Real-time sampling of coolant temperature, intake air pressure, throttle position, and oxygen sensor outputs in gasoline/diesel ECUs. IC Role / Device Role / Timing Role: Central 12-channel ADC acquiring synchronized analog data at 1 MSPS for closed-loop combustion control. Use Value: Eliminates need for multiple discrete ADCs or external multiplexers, reducing BOM count and PCB area in space-constrained ECU modules. |
Use Scenario: Monitoring cell voltages, pack current shunt signals, and thermal sensor readings in 12 V/48 V automotive battery systems. IC Role / Device Role / Timing Role: High-speed analog front-end converting multi-point measurements into digital data for battery state estimation algorithms. Use Value: 1-μA power-down current extends standby time during vehicle sleep mode, meeting OEM low-power requirements. |
| Body Control Module (BCM) Inputs | ADAS Power Supply Monitoring |
Use Scenario: Reading door lock actuators, mirror position sensors, ambient light detectors, and HVAC blower motor feedback in BCMs. IC Role / Device Role / Timing Role: General-purpose analog acquisition hub interfacing with mixed-signal peripherals via SPI. Use Value: Four GPIOs enable direct control of local indicators or switches, reducing MCU GPIO usage and firmware overhead. |
Use Scenario: Continuous supervision of power rail integrity (e.g., camera, radar, LiDAR supply voltages) in advanced driver assistance systems. IC Role / Device Role / Timing Role: Fault-tolerant monitoring ADC triggering hardware alarms via GPIO0/GPIO1 upon over/under-voltage conditions. Use Value: Hardware-based alarm response (<1 µs latency) ensures immediate shutdown before downstream IC damage occurs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multichannel SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS7952QDBTRQ1 | 12-bit resolution, identical 12-channel TSSOP-38 package and pinout, same AEC-Q100 Grade 1 rating. | Higher precision required for torque sensor or pedal position feedback where 8-bit quantization error is unacceptable. | Select when SNR > 70 dB and INL < ±0.75 LSB are mandatory; retains same layout and firmware interface. |
| ADS7961QDBTRQ1 | 16-channel variant in same TSSOP-38 package; shares all electrical specs, timing, and GPIO functionality. | Systems requiring expanded sensor count beyond 12 channels (e.g., full-vehicle thermal mapping or multi-zone climate control). | Choose for future-proofing or channel scalability; requires only firmware update - no PCB change needed. |
Compared with ADS7952QDBTRQ1 and ADS7961QDBTRQ1, the ADS7960QDBTRQ1 offers optimal cost-performance balance for 8-bit automotive monitoring tasks, trading resolution for lower unit cost while maintaining identical footprint, interface, and qualification - making it ideal for non-safety-critical but high-volume subsystems.
Availability
ADS7960QDBTRQ1 is available at Aetrix Electronics and suitable for automotive battery management, engine control unit (ECU) sensor acquisition, and body control module (BCM) analog monitoring requiring stable component supply across extended production lifecycles.
Supply support for ADS7960QDBTRQ1 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
Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with decades of automotive IC design expertise and rigorous AEC-Q100 validation infrastructure.
The ADS79xx-Q1 product line was engineered specifically for automotive signal acquisition - delivering robust, low-power, multi-channel SAR ADCs with integrated alarms and GPIOs to simplify sensor interface in harsh-temperature environments.
FAQ
What is the maximum sample rate supported by the ADS7960QDBTRQ1?
The ADS7960QDBTRQ1 supports a maximum throughput rate of 1 MSPS when operated with a 20-MHz SCLK. Conversion time is fixed at 800 ns under these conditions, and acquisition time is 325 ns - enabling deterministic timing for real-time control loops in automotive applications.
Does the ADS7960QDBTRQ1 require an external reference voltage?
Yes, the ADS7960QDBTRQ1 requires an external reference voltage applied to the REFP pin (2–3 V range, typical 2.5 V). The device does not include an internal reference; REFM must be connected to AGND. A precision source like the REF5025 is recommended to maintain accuracy across temperature.
How are the two input ranges selected on the ADS7960QDBTRQ1?
Input range selection (0–2.5 V or 0–5 V) is controlled by the GPIO2 pin: logic high selects Range 2 (0–5 V), logic low selects Range 1 (0–2.5 V). This hardware-selectable feature allows dynamic range adaptation without reprogramming the device, supporting mixed-sensor systems.
Can the ADS7960QDBTRQ1 operate with separate analog and digital supply voltages?
Yes, the ADS7960QDBTRQ1 features independent analog (+VA) and digital I/O (+VBD) supplies. +VA operates from 2.7 V to 5.25 V, while +VBD supports 1.7 V to 5.25 V - enabling interoperability with 1.8 V, 3.3 V, or 5 V microcontrollers without level shifters.
What is the purpose of the MXO pin on the ADS7960QDBTRQ1?
The MXO (Multiplexer Output) pin provides the analog output of the internal 12-channel multiplexer - useful for debugging or feeding into an external amplifier or filter stage. It reflects the selected channel's signal after internal switching but before ADC conversion.
ADS7960QDBTRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 38-TFSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 8
- Sampling Rate (Per Second):
- 1M
- Number of Inputs:
- 12
- Input Type:
- Single Ended
- Data Interface:
- SPI
- Configuration:
- MUX-PGA-S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External
- Voltage - Supply, Analog:
- 2.7V ~ 5.25V
- Voltage - Supply, Digital:
- 1.7V ~ 5.25V
- Features:
- PGA
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- 38-TSSOP
- Mounting Type:
- Surface Mount
- Grade:
- Automotive
- Qualification:
- AEC-Q100
ADS7960QDBTRQ1 FAQ
1.How can I place an order for ADS7960QDBTRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADS7960QDBTRQ1 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 ADS7960QDBTRQ1 reliable?
The price and inventory of ADS7960QDBTRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADS7960QDBTRQ1 is usually 5 days.
3.What payment methods are accepted for ADS7960QDBTRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADS7960QDBTRQ1 transactions.
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4.How is shipping managed for ADS7960QDBTRQ1?
ADS7960QDBTRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADS7960QDBTRQ1 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 ADS7960QDBTRQ1?
For technical support, including ADS7960QDBTRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADS7960QDBTRQ1 requirements.
6.How does Aetrix verify that ADS7960QDBTRQ1 is sourced from the original manufacturer or authorized distributors?
All ADS7960QDBTRQ1 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 ADS7960QDBTRQ1 meets industry standards.
7.What is the process for return or replacement of ADS7960QDBTRQ1?
All ADS7960QDBTRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with ADS7960QDBTRQ1, 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 ADS7960QDBTRQ1 part is unused and in its original packaging.
Return procedure for ADS7960QDBTRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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