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ADC122S625CIMM/NOPB
Texas Instruments
IC ADC 12BIT SAR 10VSSOP
2201 Pcs New Original In Stock
12 Bit Analog to Digital Converter 2 Input 2 SAR 10-VSSOP
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5.0 / 5.0
- (264 Ratings)
ADC122S625CIMM/NOPB
Product Overview
1387509
DiGi Electronics Part Number
ADC122S625CIMM/NOPB-DGManufacturer
Texas Instruments
ADC122S625CIMM/NOPB
Description
IC ADC 12BIT SAR 10VSSOPInventory
2201 Pcs New Original In Stock
12 Bit Analog to Digital Converter 2 Input 2 SAR 10-VSSOP
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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ADC122S625CIMM/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)
200k
Number of Inputs
2
Input Type
Differential, Single Ended
Data Interface
SPI, DSP
Configuration
S/H-ADC
Ratio - S/H:ADC
1:1
Number of A/D Converters
2
Architecture
SAR
Reference Type
External
Voltage - Supply, Analog
5V
Voltage - Supply, Digital
5V
Features
Simultaneous Sampling
Operating Temperature
-40°C ~ 105°C
Package / Case
10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package
10-VSSOP
Mounting Type
Surface Mount
Base Product Number
ADC122S625
Datasheet & Documents
HTML Datasheet
ADC122S625CIMM/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
ADC122S625CIMMDKR
ADC122S625CIMM/NOPBCT
ADC122S625CIMMNOPB
ADC122S625CIMMTR-DG
ADC122S625CIMM/NOPBDKR
ADC122S625CIMMDKR-DG
*ADC122S625CIMM/NOPB
ADC122S625CIMM/NOPBTR
2156-ADC122S625CIMM/NOPB-TI
ADC122S625CIMMCT-DG
ADC122S625CIMMTR
ADC122S625CIMMCT
Standard Package
1,000
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
我對Di Digi Electronics的產品質量非常滿意，它們的耐用性絕對值得信賴！
de desembre 02, 2025
I appreciate the quick turnaround from order placement to delivery—really efficient logistics.
de desembre 02, 2025
In addition to stock, their after-sales support is second to none.
de desembre 02, 2025
The support staff was patient and thorough when helping me troubleshoot issues after installation.
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Frequently Asked Questions (FAQ)
How does the ADC122S625CIMM/NOPB handle simultaneous sampling in multi-channel data acquisition systems, and what PCB layout considerations are critical to avoid channel crosstalk in high-noise environments?
The ADC122S625CIMM/NOPB features dual simultaneous sampling SAR ADCs, allowing true concurrent measurement of both differential or single-ended inputs—ideal for applications like motor control or current/voltage monitoring. To prevent crosstalk and maintain signal integrity, especially in industrial environments with EMI, use matched trace lengths for each channel, minimize shared return paths, and place the ADC close to the signal source. Implement a solid ground plane, isolate analog and digital sections, and use local decoupling capacitors (0.1 µF ceramic + 10 µF tantalum) near the AVDD and DVDD pins. Avoid routing digital lines under the ADC to reduce coupling risks.
Can the ADC122S625CIMM/NOPB replace the MAX11603 or ADS7828 in an existing 5V data acquisition system, and what are the key performance and interface differences affecting the design-in risk?
Yes, the ADC122S625CIMM/NOPB can replace the MAX11603 or ADS7828 in 5V systems, but critical differences affect compatibility. Unlike the MAX11603 (I2C interface), the ADC122S625CIMM/NOPB uses SPI/DSP—requiring additional GPIOs and careful timing. It offers higher sampling (200 kSPS vs. 200 kSPS and 57 kSPS) and simultaneous sampling, which improves phase matching in dual-channel applications. However, it lacks an internal reference—requiring a stable external reference (e.g., REF5025). Ensure microcontroller SPI clock polarity (CPOL/CPHA) matches ADC122S625CIMM/NOPB requirements to avoid data misalignment.
What are the risks of using the ADC122S625CIMM/NOPB without an external anti-aliasing filter in a high-frequency industrial sensor interface, and how should filter cutoff be designed?
Operating the ADC122S625CIMM/NOPB without anti-aliasing filters risks introducing aliasing from signals above half the sampling rate (Nyquist frequency = 100 kHz), corrupting readings in dynamic sensing applications. Use second-order active or passive RC filters per channel with -3dB cutoff set between 40–80 kHz, depending on signal bandwidth. For single-ended inputs, include series resistance (5–10Ω) with input capacitance to dampen charge kick-in from the sampling capacitor. Verify filter settling time aligns with ADC acquisition phase (typically >500ns at 5V) to maintain 12-bit accuracy.
How does the external reference dependency of the ADC122S625CIMM/NOPB impact measurement accuracy in temperature-varying environments, and what reference ICs are recommended for stable long-term operation?
Because the ADC122S625CIMM/NOPB relies on an external voltage reference, its accuracy directly depends on reference stability. In industrial environments (-40°C to 105°C), use a precision reference like the REF5025 (2.5V, ±0.05% initial accuracy, 3 ppm/°C drift) or LM4140A25 to minimize gain error and drift. Avoid low-cost bandgaps with poor temperature performance. Bypass the reference output with a 10µF ceramic capacitor to suppress noise and ensure transient stability. Enable the reference before powering the ADC’s analog supply to prevent latch-up or erroneous conversions.
What are the reliability concerns when deploying the ADC122S625CIMM/NOPB in high-temperature industrial applications near 105°C, and how does thermal performance affect long-term SPI communication stability?
The ADC122S625CIMM/NOPB is rated for operation up to 105°C, but sustained high temperatures increase leakage currents and digital jitter. Ensure adequate PCB copper pour for thermal dissipation, particularly connected to the GND pad, to avoid localized heating. Use SPI signal integrity best practices: limit trace lengths, add series termination (22–33Ω) on SCLK and DIN, and avoid routing near switching nodes. At elevated temperatures, monitor SPI read errors—excessive noise or ground bounce can corrupt data frames. Maintain VDD within ±10% tolerance; voltage droop under load may cause intermittent latch-up, so regulate supplies with low-noise LDOs.
Quality Assurance (QC)
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ADC122S625CIMM/NOPB CAD Models
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