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ADS8638SRGET The ADS8638SRGET is a 12-bit, 8-channel successive approximation register (SAR) analog-to-digital converter from Texas Instruments. It features a 1 MSPS sampling rate, SPI interface, and software-selectable bipolar input ranges up to ±10V.
Mfr Part #:

ADS8638SRGET

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The ADS8638SRGET is a 12-bit, 8-channel successive approximation register (SAR) analog-to-digital converter from Texas Instruments. It features a 1 MSPS sampling rate, SPI interface, and software-selectable bipolar input ranges up to ±10V.
✓ Total Stock: 10,437 pcs
$ Price Range: $3.79

ADS8638SRGET Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
10,000 pcs
On Request
10000 pcs On Request 1 On Request On Request 22+ On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
437 pcs
On Request
437 pcs On Request 1 On Request On Request 24+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

ADS8638SRGET 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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ADS8638SRGET Description

Short technical summary and product information.

The ADS8638SRGET is a 12-bit, 8-channel SAR ADC from Texas Instruments, part of the ADS8634/8 family. It offers a maximum sampling rate of 1 MSPS with a successive approximation register architecture. The device features 8 single-ended input channels configurable via an internal multiplexer, with software-selectable input ranges: ±10V, ±5V, ±2.5V, 0-10V, or 0-5V, and up to ±12V with an external reference. Data is output via an SPI-compatible serial interface. The ADC can operate with either an internal or external voltage reference. It requires an analog supply of 2.7V to 5.25V and a digital supply of 1.65V to 5.25V, consuming 14.45 mW at full speed and 5.85 mW at 0.1 MSPS. Performance includes 71.8 dB SNR and ±0.9 LSB INL. Additional features include an integrated temperature sensor, comparator, alarm thresholds for each channel, and a flexible power-down mode. The device is housed in a 24-VFQFN exposed pad package (24-VQFN 4x4) and operates over an extended temperature range of -40°C to +125°C, making it suitable for industrial control, data acquisition, and battery-powered applications.

ADS8638SRGET Quick Information

Product Type: ADC IC
Series: ADS8634/8
Canonical Name: Texas Instruments ADS8638SRGET 12-Bit 8-Channel Bipolar SAR ADC with Software-Selectable Input Ranges
Subcategory: SAR ADC

ADS8638SRGET Compliance

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

ADS8638SRGET Estimated Pricing

Qty Low High
1+ $3.79 $3.79

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

ADS8638SRGET Features

  • 12-bit resolution with no missing codes.
  • 1 MSPS sampling rate with SAR architecture.
  • 8-channel single-ended input with software-selectable ranges.
  • Low power consumption: 14.45 mW at 1 MSPS.
  • SPI-compatible serial interface.

ADS8638SRGET Applications

  • Industrial process control and automation.
  • Data acquisition systems for multi-channel sensors.
  • Portable instrumentation requiring low power.
  • Battery-powered monitoring equipment.

ADS8638SRGET FAQs

7 frequently asked questions generated from this part’s specifications.
What are the supply voltage requirements for the ADS8638SRGET?

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

What is the package type of the ADS8638SRGET?

24-VFQFN Exposed Pad (24-VQFN 4x4).

What is the operating temperature range of the ADS8638SRGET?

-40°C to +125°C.

Is the ADS8638SRGET RoHS compliant?

It is listed as RoHS3 compliant, but this status is unverified.

What is the maximum sampling rate of the ADS8638SRGET?

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

What architecture does the ADS8638SRGET use?

Successive Approximation Register (SAR).

Does the ADS8638SRGET support an internal voltage reference?

Yes, it supports both external and internal reference modes.

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