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ADC088S022CIMTX
Texas Instruments
IC ADC 8BIT SAR 16TSSOP
1291 Pcs New Original In Stock
8 Bit Analog to Digital Converter 8 Input 1 SAR 16-TSSOP
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ADC088S022CIMTX
Product Overview
1262325
DiGi Electronics Part Number
ADC088S022CIMTX-DGManufacturer
Texas Instruments
ADC088S022CIMTX
Description
IC ADC 8BIT SAR 16TSSOPInventory
1291 Pcs New Original In Stock
8 Bit Analog to Digital Converter 8 Input 1 SAR 16-TSSOP
Quantity
Minimum 1
Minimum 1
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ADC088S022CIMTX Technical Specifications
Category
Data Acquisition, Analog to Digital Converters (ADC)
Packaging
-
Series
-
Product Status
Obsolete
Number of Bits
8
Sampling Rate (Per Second)
200k
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
Package / Case
16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package
16-TSSOP
Mounting Type
Surface Mount
Base Product Number
ADC088
Datasheet & Documents
HTML Datasheet
ADC088S022CIMTX-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
ADC088S022CIMTXDKR
ADC088S022CIMTXCT
ADC088S022CIMTXTR
Standard Package
2,500
Alternative Parts
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Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
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de desembre 02, 2025
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de desembre 02, 2025
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de desembre 02, 2025
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Frequently Asked Questions (FAQ)
Can I use the ADC088S022CIMTX in a new design despite its obsolete status, and what are the risks of long-term supply chain dependency?
While the ADC088S022CIMTX is marked as obsolete by Texas Instruments, it may still be used in low-volume or legacy-support applications if you have secured sufficient inventory. However, designing it into a new product poses significant long-term supply risks—TI no longer manufactures it, and future shortages are likely. We recommend evaluating pin-compatible, actively supported alternatives like the ADC088S022CIMTX/NOPB (the RoHS-compliant version) or newer SAR ADCs such as the ADS7040 for future-proofing. Always include a second-source plan in your BOM strategy to mitigate obsolescence risk.
What are the critical layout considerations when replacing the ADC088S022CIMTX with a modern 8-bit SAR ADC like the ADS7040 in a space-constrained 16-TSSOP footprint?
When substituting the ADC088S022CIMTX with a newer device like the ADS7040, ensure the replacement maintains the same 16-TSSOP package dimensions and pinout compatibility. Pay special attention to analog ground isolation, reference pin decoupling (use a 100nF ceramic capacitor within 2mm of the REF pin), and minimizing digital signal routing near analog inputs. The ADC088S022CIMTX uses a supply-referenced architecture, so verify that the replacement’s reference scheme matches to avoid gain errors. Also, confirm SPI timing compatibility—the ADS7040 supports higher clock rates, but your MCU must meet setup/hold times during migration.
How does the single-ended input architecture of the ADC088S022CIMTX limit performance in noisy industrial environments, and what design mitigations are effective?
The ADC088S022CIMTX’s single-ended inputs are susceptible to ground noise and electromagnetic interference, especially in industrial settings with motors or switching power supplies. Unlike differential ADCs, it cannot reject common-mode noise, which may degrade effective resolution below the nominal 8 bits. To mitigate this, implement a star-ground topology, use shielded twisted-pair wiring for analog signals, and add RC low-pass filters (e.g., 1kΩ + 100nF) at each input to attenuate high-frequency noise. Additionally, place the ADC close to the signal source and isolate digital return paths to prevent coupling into the analog section.
Is the ADC088S022CIMTX suitable for battery-powered systems operating near 2.7V, and how does its power supply rejection ratio (PSRR) affect accuracy under voltage droop?
Yes, the ADC088S022CIMTX can operate down to 2.7V, making it viable for 3.3V battery-powered systems. However, since it uses the supply voltage as its reference (VREF = VDD), any ripple or droop on the supply directly impacts conversion accuracy—there is no internal reference buffer. In practice, this means a 50mV drop on VDD can cause a ~1.5 LSB error at full scale. To maintain precision, use a low-dropout regulator (LDO) with high PSRR (>60dB at 100kHz) and add bulk decoupling (10µF tantalum + 100nF ceramic) near the VDD pin. Avoid sharing the ADC’s supply with high-current digital loads.
What reliability concerns should I evaluate before using the ADC088S022CIMTX in an automotive under-hood application with temperature swings from -40°C to 105°C?
Although the ADC088S022CIMTX is rated for -40°C to 105°C, its obsolete status raises concerns about long-term reliability in harsh environments. Verify that your supplier provides authentic, traceable components, as counterfeit parts are common with discontinued ICs. Additionally, the lack of AEC-Q100 qualification means it hasn’t been tested for automotive stress conditions like thermal cycling or humidity bias. If used in under-hood applications, implement periodic self-calibration routines to compensate for drift and monitor junction temperature via a nearby sensor. Consider migrating to a qualified alternative like the ADC108S052CIMTX (also from TI) for mission-critical automotive designs.
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ADC088S022CIMTX CAD Models
Texas Instruments ADC088S022CIMTX PCB symbols & footprints
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