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ADS8638SRGER The ADS8638SRGER is a 12-bit successive approximation register (SAR) analog-to-digital converter (ADC) from Texas Instruments. It features 8 input channels, a maximum sampling rate of 1 MSPS, and software-selectable input ranges up to ±10V.
Mfr Part #:

ADS8638SRGER

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The ADS8638SRGER is a 12-bit successive approximation register (SAR) analog-to-digital converter (ADC) from Texas Instruments. It features 8 input channels, a maximum sampling rate of 1 MSPS, and software-selectable input ranges up to ±10V.
✓ Total Stock: 21,216 pcs
$ Price Range: $3.16

ADS8638SRGER Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
15,000 pcs
On Request
15000 pcs On Request 1 On Request On Request 20+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
6,216 pcs
On Request
6216 pcs On Request 1 On Request On Request On Request On Request On Request
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ADS8638SRGER Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Architecture
Configuration
Data Interface
Features
Input Type
Mounting Type
Number of A
Number of Bits
Number of Inputs
Operating Temperature
Ratio
Reference Type
Sampling Rate (Per Second)
Supplier Device Package
Voltage
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ADS8638SRGER Description

Short technical summary and product information.

The ADS8638SRGER is a 12-bit SAR ADC with 8 single-ended input channels and a maximum sampling rate of 1 MSPS. It operates with a SPI serial interface and supports software-selectable input ranges of ±10V, ±5V, ±2.5V, 0–10V, and 0–5V. The device includes an internal voltage reference and temperature sensor, and provides alarm thresholds for each channel. It achieves a typical SNR of 71.8 dB and INL of ±0.9 LSB, ensuring no missing codes. Power consumption is 14.45 mW at 1 MSPS and 5.85 mW at 0.1 MSPS. The ADC is available in a small 24-VQFN (4x4 mm) package with an exposed pad for thermal management. It is designed for industrial applications requiring high precision and low power, such as data acquisition systems, process control, and monitoring equipment. The device operates over an extended temperature range of -40°C to +125°C and accepts analog supplies from 2.7 V to 5.25 V and digital supplies from 1.65 V to 5.25 V.

ADS8638SRGER Quick Information

Product Type: Analog to Digital Converter (ADC)
Series: ADS8638
Canonical Name: ADS8638SRGER - 12-Bit SAR Analog-to-Digital Converter (ADC) with 8-Channel MUX
Subcategory: Precision ADCs

ADS8638SRGER Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ADS8638SRGER Estimated Pricing

Qty Low High
1+ $3.16 $3.16

Estimated market price range - modelled values for guidance only, not live distributor offers.

ADS8638SRGER Features

  • 12-bit resolution with no missing codes.
  • 8 single-ended input channels with MUX.
  • Software-selectable input ranges up to ±10V.
  • Low power: 14.45 mW at 1 MSPS.
  • Small 24-VQFN (4x4 mm) package.

ADS8638SRGER Applications

  • Used in multichannel data acquisition systems.
  • Suitable for industrial process control.
  • Ideal for battery-powered instrumentation.
  • Supports precision sensor monitoring.
  • Applied in automated test equipment.

ADS8638SRGER FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ADS8638SRGER?

Analog supply: 2.7V to 5.25V; digital supply: 1.65V to 5.25V.

What package is the ADS8638SRGER available in?

The device is offered in a 24-VFQFN Exposed Pad package (supplier package: 24-VQFN 4x4 mm).

What is the operating temperature range of the ADS8638SRGER?

The device operates from -40°C to +125°C.

Is the ADS8638SRGER RoHS compliant?

Based on existing data, the device is listed as RoHS3 Compliant (unverified).

What is the resolution of the ADS8638SRGER?

12 bits.

What is the maximum sampling rate?

1 MSPS (1,000,000 samples per second).

What interface does the ADS8638SRGER use?

SPI (Serial Peripheral Interface).

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