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Texas Instruments ADC088S052CIMT/NOPB
- Part No.:
- ADC088S052CIMT/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
ADC088S052CIMT/NOPB.pdf
- Description:
- IC ADC 8BIT SAR 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:118
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Product details
Overview
ADC088S052CIMT/NOPB from Texas Instruments is an 8-channel, 8-bit successive-approximation ADC with 200–500 ksps throughput, ±0.2 LSB max INL/DNL, SPI/QSPI/MICROWIRE-compatible serial interface, and independent analog (2.7–5.25 V) and digital (2.7–VA) supplies - used for multi-sensor data acquisition in portable medical instruments and automotive navigation systems.
For engineers reviewing the ADC088S052CIMT/NOPB datasheet, ADC088S052CIMT/NOPB pinout, ADC088S052CIMT/NOPB application, or ADC088S052CIMT/NOPB equivalent, this page delivers verified pin functions, real-world timing constraints (3.2–8 MHz SCLK), channel selection logic, power-down current (0.03 µW @ 3 V), and validated alternative options for embedded sensor interface designs.
Technical Context
The ADC088S052CIMT/NOPB implements a charge-redistribution DAC-based successive-approximation architecture with integrated track-and-hold. It operates in two distinct phases per conversion: 3 SCLK cycles in track mode (acquiring input voltage), followed by 13 SCLK cycles in hold/convert mode (completing digitization and serial output).
Its 8-input multiplexer supports dynamic channel selection via a dedicated 3-bit address field (ADD2–ADD0) loaded into the control register at the start of each conversion. Serial communication uses MSB-first straight binary format, with DOUT active only when CS is low and synchronized to SCLK falling edges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 8-bit with no missing codes - guarantees monotonic transfer function and deterministic full-scale behavior across −40°C to +105°C. |
| Sample Rate | 200–500 ksps continuous - enables real-time sampling of audio-band and control-loop signals without undersampling risk. |
| INL / DNL | ±0.2 LSB max (2.7–5.0 V supply range) - ensures <0.1% gain/offset linearity error for precision sensor scaling. |
| Power (Normal) | 1.2 mW @ 3 V / 6.5 mW @ 5 V - allows battery-powered operation with <400 µA total supply current at 500 ksps. |
| Power (Shutdown) | 0.03 µW @ 3 V - reduces system standby power to nanowatt level during idle intervals in portable applications. |
| SCLK Range | 3.2–8 MHz - defines minimum clock period (125 ns) and maximum acquisition time (3 SCLK cycles = 375 ns min). |
| Aperture Delay | 4 ns - limits timing uncertainty in high-frequency signal capture, critical for phase-sensitive measurements. |
| Channel Isolation | 67.3 dB @ 20 kHz - suppresses crosstalk between adjacent inputs during simultaneous multi-channel monitoring. |
Pinout & Package
ADC088S052CIMT/NOPB is housed in a 16-lead TSSOP package (4.4 mm × 5.0 mm, 0.65 mm pitch) with exposed thermal pad (not electrically connected). Pin 1 is CS; pin 16 is SCLK. Analog and digital grounds (AGND, DGND) must be separated and joined at a single point near the device.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS (Pin 1) | Chip Select Input | Falling edge initiates conversion sequence; holds DOUT in high-Z when high - enables shared SPI bus operation. |
| VA (Pin 2) | Analog Supply / Reference | +2.7–5.25 V source; also serves as internal reference voltage - requires local 1 µF + 0.1 µF bypassing within 1 cm. |
| AGND (Pin 3) | Analog Ground Return | Reference node for analog inputs and VA - must be isolated from DGND except at single-point star ground. |
| IN0–IN7 (Pins 4–11) | Analog Input Channels | Single-ended inputs referenced to AGND; 0–VA range - multiplexed internally; ESD diodes require external clamping. |
| DGND (Pin 12) | Digital Ground Return | Return path for VD, SCLK, DIN, DOUT - routed separately from AGND to prevent digital noise coupling. |
| VD (Pin 13) | Digital Supply | +2.7 V to VA; powers logic and DOUT driver - bypassed with 0.1 µF ceramic capacitor near pin. |
| DIN (Pin 14) | Serial Data Input | Loads 8-bit control register on rising SCLK edges - sets next-channel address (ADD2–ADD0) before conversion begins. |
| DOUT (Pin 15) | Serial Data Output | MSB-first 8-bit result clocked on SCLK falling edges 5–12 - high-Z when CS high; driven by VD voltage level. |
| SCLK (Pin 16) | Serial Clock Input | 3.2–8 MHz master clock - controls both conversion timing (16-cycle frame) and serial I/O synchronization. |
Key Features
| Feature | Design Value |
|---|---|
| Independent VA and VD supplies | Enables mixed-voltage system integration - e.g., 3.3 V digital controller interfacing to 5 V analog sensors without level shifters. |
| Variable power management | Hardware-controlled shutdown (via CS high) cuts current to 10 nA range - eliminates need for external enable circuitry. |
| SPI/QSPI/MICROWIRE compatibility | Direct connection to TI C2000, STM32, and NXP LPC microcontrollers without protocol translation or glue logic. |
| Extended temperature range | −40°C to +105°C operation - qualified for under-hood automotive and industrial control environments without derating. |
| On-chip track-and-hold | Eliminates external sample-hold circuitry - reduces BOM count and PCB area while maintaining 8-bit accuracy at 500 ksps. |
| Channel-to-channel isolation | 67.3 dB at 20 kHz - supports concurrent measurement of high- and low-level signals (e.g., battery voltage + thermistor) without interference. |
Applications
| Automotive Navigation Systems | Portable Medical Monitors |
|---|---|
|
Use Scenario: Simultaneous acquisition of GPS antenna signal strength, IMU accelerometer outputs, and vehicle speed sensor pulses in compact in-vehicle navigation units. IC Role / Device Role / Timing Role: 8-channel front-end ADC performing time-synchronized sampling of analog sensor signals prior to DSP-based dead-reckoning computation. Use Value: 500 ksps throughput and 67.3 dB channel isolation ensure accurate multi-sensor fusion without cross-coupling artifacts in motion estimation algorithms. |
Use Scenario: Battery-powered ECG and SpO₂ monitor acquiring lead I/II/III voltages, pulse oximeter photodiode currents, and temperature sensor outputs. IC Role / Device Role / Timing Role: Low-power analog front-end digitizing biopotential and optical signals with minimal quiescent current during sleep mode. Use Value: 0.03 µW shutdown power extends battery life to >72 hours; ±0.2 LSB linearity preserves diagnostic-grade waveform fidelity. |
| Industrial Process Controllers | Mobile Communication Baseband |
|
Use Scenario: Modular PLC I/O module measuring 8 analog process variables (pressure, flow, temperature) in factory automation equipment. IC Role / Device Role / Timing Role: Multi-channel data acquisition engine feeding sampled values to ARM Cortex-M4 real-time control loop. Use Value: Independent VA/VD rails allow 24 V sensor excitation (via external op-amp) while interfacing to 3.3 V MCU - eliminating isolation barriers. |
Use Scenario: RF front-end calibration subsystem in LTE small-cell base stations digitizing PA bias voltages, temperature gradients, and RSSI feedback paths. IC Role / Device Role / Timing Role: Precision monitoring ADC capturing slow-varying DC parameters for closed-loop RF power and thermal management. Use Value: 8-bit resolution with ±0.2 LSB INL ensures stable PA bias control within ±1% setpoint accuracy over temperature. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit multi-channel ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS7822U | 8-bit, 200 ksps, SPI interface, but single-ended 4-channel only; no independent VD supply; 2.7–5.25 V VA only. | Limited to ≤4 inputs; lacks channel isolation spec; requires external reference for best linearity. | Select when board space or cost constraints preclude 8-channel capability and system design tolerates reduced channel count. |
| MAX11131ETE+ | 8-bit, 500 ksps, SPI, 8-channel, but uses internal reference (2.048 V); VDD only (no separate VA/VD); −40°C to +85°C rating. | No analog/digital supply separation; fixed reference limits input range flexibility; lower temp grade excludes automotive use. | Prefer for consumer-grade portable devices where supply simplicity outweighs extended temperature or rail flexibility needs. |
Compared with ADS7822U and MAX11131ETE+, ADC088S052CIMT/NOPB uniquely combines 8-channel count, independent VA/VD rails, −40°C to +105°C operation, and guaranteed 67.3 dB channel isolation - making it the only option among the three qualified for automotive navigation and industrial control with multi-sensor concurrency requirements.
Availability
ADC088S052CIMT/NOPB is available at Aetrix Electronics and suitable for automotive navigation systems, portable medical monitors, industrial process controllers, and mobile communication baseband calibration requiring stable component supply across extended temperature and long production lifecycles.
Supply support for ADC088S052CIMT/NOPB 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, embedded processing, and connectivity technologies, with over 90 years of innovation in precision data conversion and industrial-grade IC design.
ADC088S052CIMT/NOPB belongs to TI's precision SAR ADC product line, engineered for low-power, multi-channel sensor interfacing in harsh-environment applications including automotive, medical, and industrial control systems.
FAQ
What is the absolute maximum clock frequency supported by ADC088S052CIMT/NOPB?
The ADC088S052CIMT/NOPB supports a maximum SCLK frequency of 8 MHz under normal operating conditions (TA = −40°C to +105°C, VA = VD = 2.7–5.25 V). While the datasheet notes a 16 MHz absolute maximum rating, guaranteed AC performance - including conversion accuracy, timing margins, and DNL/INL - is specified only up to 8 MHz. Operating beyond 8 MHz may degrade SNR and introduce timing violations in DOUT setup/hold windows.
How does ADC088S052CIMT/NOPB handle channel selection during continuous conversion mode?
In continuous conversion mode, ADC088S052CIMT/NOPB loads the address for the *next* conversion into its control register during the first 8 rising edges of SCLK after CS falls. The ADD2–ADD0 bits determine the input channel (IN0–IN7) for that subsequent cycle. This pipelined addressing allows seamless round-robin or programmable sequencing without CPU intervention between conversions.
Can ADC088S052CIMT/NOPB operate with VA = 5.0 V and VD = 3.3 V?
Yes - ADC088S052CIMT/NOPB explicitly permits VD from +2.7 V to VA, so VD = 3.3 V with VA = 5.0 V is fully compliant. However, DOUT output high level will be VD − 0.5 V = 2.8 V (min), which may fall below the VIH threshold of some 5 V-tolerant MCUs. Verify receiver logic thresholds; level-shifting may be needed for reliable communication with 5 V digital systems.
What is the recommended bypassing scheme for ADC088S052CIMT/NOPB's VA and VD pins?
VA requires parallel 1 µF and 0.1 µF monolithic ceramic capacitors placed within 1 cm of Pin 2, with short low-inductance traces to AGND. VD requires a single 0.1 µF ceramic capacitor similarly located near Pin 13 and connected to DGND. Separation of AGND and DGND planes - joined only at one point near the device - is mandatory to prevent digital switching noise from modulating analog measurements.
Does ADC088S052CIMT/NOPB require a power-up delay or dummy conversion before valid data appears?
No - ADC088S052CIMT/NOPB delivers full-resolution output on the first conversion after power-up, with no required delay or initialization sequence. The first result corresponds to IN0 by default. This simplifies firmware startup and eliminates latency in time-critical sensor wake-up scenarios, such as crash detection or emergency medical alerts.
ADC088S052CIMT/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Number of Bits:
- 8
- Sampling Rate (Per Second):
- 500k
- Number of Inputs:
- 8
- Input Type:
- Single Ended
- Data Interface:
- SPI, DSP
- Configuration:
- MUX-S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- Supply
- Voltage - Supply, Analog:
- 2.7V ~ 5.25V
- Voltage - Supply, Digital:
- 2.7V ~ 5.25V
- Features:
- -
- Operating Temperature:
- -40°C ~ 105°C
- Supplier Device Package:
- 16-TSSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
ADC088S052CIMT/NOPB FAQ
1.How can I place an order for ADC088S052CIMT/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for ADC088S052CIMT/NOPB 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 ADC088S052CIMT/NOPB reliable?
The price and inventory of ADC088S052CIMT/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADC088S052CIMT/NOPB is usually 5 days.
3.What payment methods are accepted for ADC088S052CIMT/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADC088S052CIMT/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADC088S052CIMT/NOPB?
ADC088S052CIMT/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADC088S052CIMT/NOPB 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 ADC088S052CIMT/NOPB?
For technical support, including ADC088S052CIMT/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADC088S052CIMT/NOPB requirements.
6.How does Aetrix verify that ADC088S052CIMT/NOPB is sourced from the original manufacturer or authorized distributors?
All ADC088S052CIMT/NOPB 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 ADC088S052CIMT/NOPB meets industry standards.
7.What is the process for return or replacement of ADC088S052CIMT/NOPB?
All ADC088S052CIMT/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with ADC088S052CIMT/NOPB, 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 ADC088S052CIMT/NOPB part is unused and in its original packaging.
Return procedure for ADC088S052CIMT/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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