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ADC128S102CIMTX/NOPB
Texas Instruments
IC ADC 12BIT SAR 16TSSOP
19089 Pcs New Original In Stock
12 Bit Analog to Digital Converter 8 Input 1 SAR 16-TSSOP
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5.0 / 5.0
- (131 Ratings)
ADC128S102CIMTX/NOPB
Product Overview
1272852
DiGi Electronics Part Number
ADC128S102CIMTX/NOPB-DGManufacturer
Texas Instruments
ADC128S102CIMTX/NOPB
Description
IC ADC 12BIT SAR 16TSSOPInventory
19089 Pcs New Original In Stock
12 Bit Analog to Digital Converter 8 Input 1 SAR 16-TSSOP
Quantity
Minimum 1
Minimum 1
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ADC128S102CIMTX/NOPB Technical Specifications
Category
Data Acquisition, Analog to Digital Converters (ADC)
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
Number of Bits
12
Sampling Rate (Per Second)
1M
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
ADC128S102
Datasheet & Documents
Manufacturer Product Page
ADC128S102CIMTX/NOPB Specifications
HTML Datasheet
ADC128S102CIMTX/NOPB-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
296-41184-2
296-41184-1
ADC128S102CIMTX/NOPB-DG
296-41184-6
Standard Package
2,500
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
저렴한 가격에 다양한 제품들을 제공하는 디지 전자, 적극 추천합니다!
de desembre 02, 2025
他們的售後支援讓我覺得物超所值，遇到問題都能快速獲得幫助。
de desembre 02, 2025
Every purchase from DiGi Electronics proves that quality can be budget-friendly.
de desembre 02, 2025
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de desembre 02, 2025
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Frequently Asked Questions (FAQ)
What are the key design-in risks when integrating the ADC128S102CIMTX/NOPB into a mixed-signal PCB with noisy digital components?
A major risk when designing in the ADC128S102CIMTX/NOPB is signal integrity degradation due to digital noise coupling into the analog domain. Since the ADC uses a single-ended input architecture and relies on the supply voltage as a reference, any noise on the digital supply or ground can directly impact conversion accuracy. To mitigate this, use a split ground plane with careful attention to return current paths, place the ADC128S102CIMTX/NOPB in a dedicated analog section, and employ ferrite beads or LDOs to isolate the analog supply. Also, maintain short, matched trace lengths for SPI lines to reduce crosstalk and clock-induced jitter, which becomes critical at the device's maximum 1MSPS sampling rate.
How does the lack of an internal reference in the ADC128S102CIMTX/NOPB affect system accuracy in varying supply conditions?
The ADC128S102CIMTX/NOPB uses the analog supply voltage as its reference, meaning any fluctuation in AVDD directly impacts full-scale accuracy and gain stability. In systems with variable or noisy supplies—such as those powered by switching regulators—this can introduce significant measurement drift. To maintain precision, always regulate AVDD using a low-noise LDO independent of the digital supply. For high-accuracy applications, consider adding an external precision reference voltage buffer to stabilize the effective reference, even though the ADC does not include one internally. This is especially critical when measuring sensors with low output spans.
Can the ADC128S102CIMTX/NOPB replace the AD7888BRMZ in a high-temperature industrial sensing design, and what compatibility issues should I watch for?
Yes, the ADC128S102CIMTX/NOPB can replace the AD7888BRMZ in many high-temperature applications, as it supports operation up to 105°C, matching industrial requirements. However, key differences include the ADC128S102CIMTX/NOPB’s 8-channel input (vs. 8 on AD7888) and SPI interface compatibility—ensure the mode and timing align (CPOL=0, CPHA=0 typical). The AD7888 has an internal reference; replacing it with the supply-referenced ADC128S102CIMTX/NOPB requires redesigning the reference circuit. Also, verify that your microcontroller handles the 16-TSSOP footprint and that PCB layout maintains signal integrity during the transition.
What are the implications of using long sensor traces with the ADC128S102CIMTX/NOPB for single-ended inputs in a data acquisition system?
Using long sensor traces with the ADC128S102CIMTX/NOPB introduces series resistance and capacitance that can affect settling time and bandwidth, especially given its 12-bit resolution and 1MSPS sampling rate. Long traces act as antennas for EMI and form RC filters with the ADC’s input capacitance, potentially causing inaccurate sampling. To mitigate, place the ADC128S102CIMTX/NOPB as close as possible to sensors, use shielded cables, and add a small RC filter (e.g., 10Ω + 100pF) at each input pin to limit high-frequency noise. For remote sensors, consider buffering with a low-noise, unity-gain op-amp like the OPA365 to drive the ADC input effectively.
How does the SPI timing reliability of the ADC128S102CIMTX/NOPB degrade in electrically noisy industrial environments, and how can I improve robustness?
In noisy industrial settings, the SPI interface of the ADC128S102CIMTX/NOPB is susceptible to clock glitches and data corruption due to ground bounce or EMI on long control lines. Although the device supports up to 30MHz SCLK, operating near this limit in noisy environments increases failure risk. To improve reliability, limit SCLK frequency to 10–15MHz, use series resistors (22–33Ω) on all SPI lines for ringing suppression, and route MOSI, MISO, and SCLK away from high-current paths. Additionally, enable software CRC or command validation in your microcontroller firmware to detect and retransmit corrupted reads, ensuring data integrity in rugged applications.
Quality Assurance (QC)
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ADC128S102CIMTX/NOPB CAD Models
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