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Texas Instruments ADC108S052CIMT/NOPB
- Part No.:
- ADC108S052CIMT/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
ADC108S052CIMT/NOPB.pdf
- Description:
- IC ADC 10BIT SAR 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,936
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Product details
Overview
ADC108S052CIMT/NOPB from Texas Instruments is a low-power, 8-channel, 10-bit successive-approximation ADC with 200–500 ksps throughput, ±0.4 LSB max INL/DNL, and independent analog (2.7–5.25 V) and digital (2.7–VA) supplies. It interfaces via SPI/QSPI/MICROWIRE-compatible serial interface and operates across −40°C to +105°C for automotive navigation and portable medical instrumentation.
For engineers reviewing the ADC108S052CIMT/NOPB datasheet, ADC108S052CIMT/NOPB pinout, ADC108S052CIMT/NOPB application, or ADC108S052CIMT/NOPB equivalent, this page delivers verified pin functions, real-world timing behavior (16-SCLK throughput), supply decoupling requirements, and validated alternative options for industrial sensor data acquisition systems.
Technical Context
The ADC108S052CIMT/NOPB uses a charge-redistribution DAC architecture with internal track-and-hold, acquiring input voltage over 3 SCLK cycles before executing 13-cycle conversion and serial readout. Its eight analog inputs (IN0–IN7) are multiplexed into a single SAR core referenced to VA, enabling channel selection via 3-bit address in the control register.
Digital I/O operates at VA logic levels (VIH ≥ 2.1 V at 2.7–3.6 V), while DOUT output swing is referenced to VD (VOH ≥ VD − 0.5 V). Power-down mode reduces consumption to 0.09 µW (3 V) or 0.30 µW (5 V) by asserting CS high, with aperture delay of 4 ns and full-power bandwidth of 8 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit with no missing codes - guarantees monotonicity and full-scale code coverage for precision sensor digitization. |
| Sample Rate | 200–500 ksps continuous - supports dynamic signal capture up to ~40 kHz without aliasing when paired with anti-aliasing filter. |
| INL / DNL | ±0.4 LSB max (−40°C to +105°C) - ensures <0.1% gain/offset linearity error across full temperature range. |
| Power Consumption | 1.5 mW typ @ 3 V / 7.5 mW typ @ 5 V - enables battery-powered operation with <2 mA total supply current at 500 ksps. |
| Supply Range | VA = 2.7–5.25 V; VD = 2.7–VA - allows flexible dual-rail design with analog rail as reference and digital rail optimized for host interface voltage. |
| Serial Interface | SPI/QSPI/MICROWIRE/DSP compatible - interoperates with TI C2000, STM32, and NXP LPC microcontrollers without level-shifting. |
| Aperture Delay | 4 ns - minimizes sampling uncertainty for high-frequency signals and simplifies timing budget in synchronous systems. |
Pinout & Package
ADC108S052CIMT/NOPB is packaged in a 16-lead TSSOP (Package Number PW0016A) with 0.65 mm pitch, requiring 1 µF + 0.1 µF ceramic bypassing on VA and 0.1 µF on VD within 1 cm of respective pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS | Chip Select | Falling edge initiates conversion sequence; high state places DOUT in high-impedance and disables internal clock gating. |
| SCLK | Serial Clock | 3.2–8 MHz master clock controlling acquisition (first 3 edges), conversion, and 16-bit serial readout (MSB first). |
| DIN | Serial Data Input | Loads 3-bit channel address (ADD2–ADD0) on rising SCLK edges during first 8 clocks after CS fall. |
| DOUT | Serial Data Output | Outputs 10-bit result padded with four leading zeros and two trailing zeros; active only when CS is low. |
| VA | Analog Supply / Reference | Supplies analog core and serves as A/D reference; must be low-noise and bypassed to AGND with dual capacitors. |
| VD | Digital Supply | Powers digital logic and sets DOUT high-level voltage; may be lower than VA but not below 2.7 V. |
| AGND | Analog Ground | Return path for analog circuitry and input signals; must be separated from DGND except at single-point star ground. |
| DGND | Digital Ground | Return path for digital I/O and logic; isolation resistor recommended between DGND and AGND in PCB layout. |
| IN0–IN7 | Analog Inputs | Single-ended inputs accepting 0–VA range; input capacitance is 33 pF (track) / 3 pF (hold); require low-Z source (<100 Ω). |
Key Features
| Feature | Design Value |
|---|---|
| Independent VA and VD supplies | Enables mixed-voltage system integration-e.g., 3.3 V microcontroller driving 5 V analog front-end without level shifters. |
| Channel-selectable 8-input MUX | Reduces external multiplexer count and board space; supports sequential or random-access channel scanning via DIN control register. |
| Low-power shutdown mode | 0.09 µW consumption at 3 V allows duty-cycled sensing in energy-constrained IoT nodes without external power switches. |
| Straight binary output coding | Eliminates software sign-extension or offset correction; simplifies firmware math for 10-bit unsigned integer processing. |
| Extended temperature range | −40°C to +105°C operation certified per industrial specs-validates use in under-hood automotive or sterilizable medical devices. |
Applications
| Automotive Navigation | Portable Medical Instrumentation |
|---|---|
Use Scenario: Analog sensor signals (gyro, accelerometer, pressure) digitized in real time for inertial measurement units (IMUs) inside vehicle infotainment and ADAS subsystems. IC Role / Device Role / Timing Role: 10-bit SAR ADC performing synchronized multi-channel sampling at 500 ksps with deterministic 16-SCLK latency for closed-loop control timing. Use Value: ±0.4 LSB INL ensures <0.1% heading drift accumulation over temperature; independent VA/VD rails isolate noisy digital domains from sensitive analog sensor paths. |
Use Scenario: Battery-powered handheld ECG or pulse oximeter acquiring biopotential waveforms with low noise and minimal power draw. IC Role / Device Role / Timing Role: Low-power 8-channel ADC converting electrode signals with 200 ksps minimum rate to preserve QRS complex fidelity. Use Value: 1.5 mW typical power at 3 V extends battery life beyond 72 hours; 8-MHz full-power bandwidth supports clean acquisition of >100 Hz physiological harmonics. |
| Industrial Process Monitoring | Mobile Communications Baseband |
Use Scenario: Multi-sensor condition monitoring (temperature, vibration, current) in PLC I/O modules deployed in factory automation environments. IC Role / Device Role / Timing Role: Precision ADC interfacing with isolated signal conditioners and reporting via SPI to ARM Cortex-M host MCU. Use Value: Channel-to-channel isolation >78 dB prevents crosstalk between thermocouple and motor current channels; TSSOP package supports automated assembly. |
Use Scenario: RF front-end calibration and baseband signal monitoring in small-cell LTE femtocells and 5G NR test equipment. IC Role / Device Role / Timing Role: Auxiliary ADC capturing DC offsets, PA bias voltages, and RSSI feedback for adaptive RF power control loops. Use Value: 4 ns aperture delay enables accurate sampling of fast-settling calibration pulses; SPI compatibility allows reuse of existing FPGA SPI controller IP. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-channel, 10-bit SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS7953SRHBT | 12-bit resolution, 1 MSPS max, 2.7–5.25 V supply, SPI interface, 32-pin VQFN | Higher resolution and speed; requires PCB redesign due to larger footprint and different pinout | Select when >10-bit ENOB or faster sampling is required; not drop-in compatible. |
| MAX11100ETE+ | 12-bit resolution, 500 ksps, 2.7–3.6 V only, SPI, 16-pin TQFN (3×3 mm) | Narrower supply range; smaller package but incompatible pin mapping and no VD/VA separation | Choose for space-constrained 3.3 V-only designs where analog/digital supply separation is unnecessary. |
Compared with ADS7953SRHBT and MAX11100ETE+, ADC108S052CIMT/NOPB uniquely balances 10-bit precision, dual-supply flexibility, TSSOP manufacturability, and sub-2 mW power at 3 V-making it optimal for cost-sensitive, thermally demanding industrial and automotive sensor hubs.
Availability
ADC108S052CIMT/NOPB is available at Aetrix Electronics and suitable for automotive navigation, portable medical instrumentation, industrial process monitoring, and mobile communications baseband applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ADC108S052CIMT/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 delivering analog, embedded processing, and connectivity solutions with emphasis on reliability, longevity, and industrial-grade qualification.
ADC108S052CIMT/NOPB belongs to TI's precision data converter portfolio, engineered for high-accuracy, low-power, multi-channel sensor signal acquisition in harsh environments including automotive, medical, and industrial control systems.
FAQ
What is the maximum clock frequency supported by ADC108S052CIMT/NOPB?
The ADC108S052CIMT/NOPB supports a maximum SCLK frequency of 8 MHz under specified operating conditions (VA = VD = 2.7–5.25 V, TA = −40°C to +105°C). While the absolute maximum rating permits 16 MHz, guaranteed performance-including INL, DNL, and throughput-is only ensured up to 8 MHz per the SNAS337G datasheet revision March 2013. Exceeding 8 MHz may degrade AC performance metrics like SINAD and SFDR.
Does ADC108S052CIMT/NOPB require an external reference voltage?
No, ADC108S052CIMT/NOPB does not require an external reference voltage. It uses the analog supply voltage (VA) as its internal reference, with full-scale range defined as 0 V to VA. This eliminates need for external precision references but requires VA to be low-noise and well-bypassed (1 µF + 0.1 µF ceramics within 1 cm) to maintain ±0.4 LSB INL performance.
How is channel selection implemented on ADC108S052CIMT/NOPB?
Channel selection on ADC108S052CIMT/NOPB is performed via three address bits (ADD2, ADD1, ADD0) loaded into the control register through the DIN pin during the first 8 rising edges of SCLK after CS falls. The mapping is fixed: 000 = IN0 (default), 001 = IN1, ..., 111 = IN7. No external hardware addressing is needed-channel sequencing is fully software-controlled.
What is the power-down current of ADC108S052CIMT/NOPB at 5 V supply?
At a 5.0 V supply, the ADC108S052CIMT/NOPB draws 60 nA in shutdown mode (CS high, fSCLK = 0 ksps), resulting in a power consumption of 0.30 µW. This ultra-low quiescent current enables energy harvesting or coin-cell operation in wake-on-event sensor nodes, with full functionality restored within one SCLK cycle upon CS assertion.
Can ADC108S052CIMT/NOPB operate with VA = 3.3 V and VD = 1.8 V?
No, ADC108S052CIMT/NOPB cannot operate with VD = 1.8 V when VA = 3.3 V. Per the datasheet Operating Ratings, VD must be ≥2.7 V and ≤VA. Therefore, valid combinations include VA = VD = 3.3 V, or VA = 3.3 V and VD = 3.3 V (minimum 2.7 V), but VD = 1.8 V violates the absolute minimum specification and risks functional failure or damage.
ADC108S052CIMT/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:
- 10
- 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:
- -
ADC108S052CIMT/NOPB FAQ
1.How can I place an order for ADC108S052CIMT/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for ADC108S052CIMT/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 ADC108S052CIMT/NOPB reliable?
The price and inventory of ADC108S052CIMT/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADC108S052CIMT/NOPB is usually 5 days.
3.What payment methods are accepted for ADC108S052CIMT/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADC108S052CIMT/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADC108S052CIMT/NOPB?
ADC108S052CIMT/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADC108S052CIMT/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 ADC108S052CIMT/NOPB?
For technical support, including ADC108S052CIMT/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADC108S052CIMT/NOPB requirements.
6.How does Aetrix verify that ADC108S052CIMT/NOPB is sourced from the original manufacturer or authorized distributors?
All ADC108S052CIMT/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 ADC108S052CIMT/NOPB meets industry standards.
7.What is the process for return or replacement of ADC108S052CIMT/NOPB?
All ADC108S052CIMT/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with ADC108S052CIMT/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 ADC108S052CIMT/NOPB part is unused and in its original packaging.
Return procedure for ADC108S052CIMT/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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