AD7689BCPZRL7 The AD7689BCPZRL7 is a 16-bit, 8-channel SAR ADC with a sampling rate of 250 kSPS. It supports differential, pseudo-differential, and single-ended inputs and operates from 2.3V to 5.5V.
Mfr Part #:

AD7689BCPZRL7

Available from 3 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The AD7689BCPZRL7 is a 16-bit, 8-channel SAR ADC with a sampling rate of 250 kSPS. It supports differential, pseudo-differential, and single-ended inputs and operates from 2.3V to 5.5V.
✓ Total Stock: 8,589 pcs

AD7689BCPZRL7 Available from 3 distributors

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AD7689BCPZRL7 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Number of Bits
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Operating Temperature
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AD7689BCPZRL7 Description

Short technical summary and product information.

The AD7689BCPZRL7 is a 16-bit, 8-channel successive approximation register (SAR) analog-to-digital converter from Analog Devices. It achieves a throughput of 250 kSPS with no pipeline delay. The device supports multiple input types: differential, pseudo-differential, and single-ended, providing flexibility for various signal conditioning requirements. It includes an internal reference (selectable 2.5V or 4.096V) and also accepts an external reference up to VDD. The analog input range is 0V to VREF.

 

Key electrical performance includes an integral nonlinearity (INL) of ±0.4 LSB typical and ±1.5 LSB maximum, a signal-to-noise ratio (SNR) of 93.5 dB, and a total harmonic distortion (THD) of -100 dB at 20 kHz. Power dissipation is low: 3.5 mW at 2.5V/200 kSPS and 12.5 mW at 5V/250 kSPS. The device operates from a single 2.3V to 5.5V supply with a separate 1.8V to 5.5V logic interface and features a standby current of 50 nA.

 

The AD7689BCPZRL7 is housed in a 20-lead LFCSP package measuring 4 mm x 4 mm, suitable for surface-mount assembly. It includes additional features such as an internal temperature sensor, a channel sequencer, and a busy indicator. Typical applications include multichannel system monitoring, battery-powered equipment, medical instruments (ECG/EKG), data acquisition, and instrumentation.

AD7689BCPZRL7 Quick Information

Product Type: Analog to Digital Converter (ADC)
Series: AD7689
Canonical Name: Analog Devices AD7689BCPZRL7 16-bit 8-Channel 250 kSPS SAR ADC
Subcategory: SAR ADC

AD7689BCPZRL7 Compliance

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

AD7689BCPZRL7 Features

  • 16-bit resolution with no missing codes.
  • 8-channel multiplexer with flexible input types.
  • 250 kSPS throughput with SAR architecture.
  • Low power: 3.5 mW at 2.5V/200 kSPS.
  • Includes internal temperature sensor.

AD7689BCPZRL7 Applications

  • Multichannel system monitoring applications.
  • Battery-powered equipment and portable devices.
  • Medical instruments such as ECG/EKG.
  • Data acquisition and instrumentation systems.

AD7689BCPZRL7 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the resolution of the AD7689BCPZRL7?

The AD7689BCPZRL7 has a resolution of 16 bits.

How many input channels does the AD7689BCPZRL7 have?

It has 8 input channels.

What is the maximum sampling rate of the AD7689BCPZRL7?

The maximum sampling rate is 250 kSPS.

What is the supply voltage range for the AD7689BCPZRL7?

The supply voltage range is 2.3 V to 5.5 V.

What is the operating temperature range of the AD7689BCPZRL7?

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

What package does the AD7689BCPZRL7 come in?

It comes in a 20-lead LFCSP package measuring 4 mm x 4 mm.

Is the AD7689BCPZRL7 RoHS compliant?

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

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