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AD7655ASTZ The AD7655ASTZ is a 16-bit, 4-channel SAR ADC from Analog Devices with a sampling rate of 500 kSPS and SPI interface. It is housed in a 48-LQFP package.
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AD7655ASTZ

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The AD7655ASTZ is a 16-bit, 4-channel SAR ADC from Analog Devices with a sampling rate of 500 kSPS and SPI interface. It is housed in a 48-LQFP package.
✓ Total Stock: 3,237 pcs

AD7655ASTZ Available from 2 distributors

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Components Technology Group, Inc. ✓
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3,222 pcs
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3222 pcs On Request 1 On Request On Request On Request On Request On Request
Risen Electronics ✓
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15 pcs
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15 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
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AD7655ASTZ 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
Supply Current
Voltage
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AD7655ASTZ Description

Short technical summary and product information.

The AD7655ASTZ is a low cost, simultaneous sampling, dual-channel, 16-bit SAR ADC from Analog Devices. It features two track-and-hold amplifiers that allow simultaneous sampling of input pairs, with a multiplexer in front of each to provide a 4-channel input ADC. The device operates from a single 5 V supply and offers a typical power dissipation of 120 mW.

 

Key specifications include a 16-bit resolution, a sampling rate of 500 kSPS in normal mode (444 kSPS in impulse mode), and an analog input voltage range of 0 V to 5 V. The ADC achieves a typical signal-to-noise ratio of 86 dB and supports SPI, parallel, and DSP data interfaces. The input type is pseudo-differential or single-ended, and the reference type is external.

 

The AD7655ASTZ is packaged in a 48-lead LQFP (7x7 mm) and is designed for surface mount assembly. It operates over a temperature range of -40°C to 85°C. Typical applications include AC motor control, 3-phase power control, 4-channel data acquisition, and uninterrupted power supplies.

AD7655ASTZ Quick Information

Product Type: Analog-to-Digital Converter (ADC)
Series: AD7655
Canonical Name: AD7655ASTZ 16-Bit 4-Channel SAR ADC
Subcategory: SAR ADC

AD7655ASTZ Compliance

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

AD7655ASTZ Features

  • 16-bit resolution with SAR architecture.
  • 500 kSPS sampling rate in normal mode.
  • Simultaneous sampling via two track-and-hold amplifiers.
  • Single 5 V supply operation.
  • SPI, parallel, and DSP data interfaces.

AD7655ASTZ Applications

  • Ideal for AC motor control systems.
  • Used in 3-phase power control applications.
  • Suitable for 4-channel data acquisition systems.
  • Applied in uninterrupted power supplies.

AD7655ASTZ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the resolution of the AD7655ASTZ?

The AD7655ASTZ has a 16-bit resolution.

What is the sampling rate of the AD7655ASTZ?

The sampling rate is 500 kSPS in normal mode and 444 kSPS in impulse mode.

What is the supply voltage for the AD7655ASTZ?

The supply voltage is 5 V.

What is the operating temperature range of the AD7655ASTZ?

The operating temperature range is -40°C to 85°C.

What package is the AD7655ASTZ available in?

The AD7655ASTZ is available in a 48-lead LQFP package (7x7 mm).

Is the AD7655ASTZ RoHS compliant?

The AD7655ASTZ is listed as RoHS3 compliant, but this is unverified.

What is the typical power dissipation of the AD7655ASTZ?

Typical power dissipation is 120 mW, with a maximum of 135 mW.

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