AD7685CCPZRL Equivalent & Substitute Parts

Part Overview

The AD7685CCPZRL is a 16-bit Analog to Digital Converter (ADC) manufactured by Analog Devices Inc., part of the PulSAR® series. This single-input SAR (Successive Approximation Register) ADC operates with a 250 kSPS sampling rate and supports both SPI and DSP data interfaces. The device is packaged in a 10-LFCSP-WD (3x3) form factor with an exposed pad.

The AD7685CCPZRL is currently listed as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements.

Substiute Parts

AD7685CCPZRL
Analog Devices Inc.In Stock: 2448AD7685CCPZRL Datasheet
AD7685CCPZRL
Current Part
AD7685CCPZRL7
Analog Devices Inc.In Stock: 1891AD7685CCPZRL7 Datasheet
AD7685CCPZRL7
Similar
AD7685ACPZRL7
Analog Devices Inc.In Stock: 7813AD7685ACPZRL7 Datasheet
AD7685ACPZRL7
Parametric Equivalent
AD7685BCPZRL7
Analog Devices Inc.In Stock: 3277AD7685BCPZRL7 Datasheet
AD7685BCPZRL7
Parametric Equivalent

Key Parameters

Parameter Value
Resolution (Bits) 16
Sampling Rate 250 kSPS
Number of Inputs 1
Input Type Pseudo-Differential
Data Interface SPI, DSP
Architecture SAR
Reference Type External
Supply Voltage (Analog) 2.3V ~ 5.5V
Supply Voltage (Digital) 2.3V ~ 5.5V
Operating Temperature -40°C ~ 85°C
Package 10-LFCSP-WD (3x3)
Mounting Type Surface Mount

Substitute Part Grouping Explanation

Substitute parts for the AD7685CCPZRL are identified based on matching electrical and mechanical parameters. The substitution logic is based on the following criteria:

Core Matching Parameters:

  • Resolution: 16 bits
  • Sampling Rate: 250 kSPS
  • Number of Inputs: 1
  • Input Type: Pseudo-Differential
  • Data Interface: SPI, DSP
  • Architecture: SAR
  • Reference Type: External
  • Supply Voltage Range: 2.3V ~ 5.5V (both analog and digital)
  • Operating Temperature Range: -40°C ~ 85°C
  • Package: 10-LFCSP-WD (3x3)
  • Mounting Type: Surface Mount
  • Base Product Number: AD7685

All identified substitutes maintain identical electrical specifications and physical packaging, ensuring functional and mechanical compatibility. The primary distinction among substitute parts is product status and packaging format.

Parameter Comparison

Parameter AD7685CCPZRL AD7685CCPZRL7 AD7685ACPZRL7 AD7685BCPZRL7
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Resolution (Bits) 16 16 16 16
Sampling Rate (kSPS) 250 250 250 250
Number of Inputs 1 1 1 1
Input Type Pseudo-Differential Pseudo-Differential Pseudo-Differential Pseudo-Differential
Data Interface SPI, DSP SPI, DSP SPI, DSP SPI, DSP
Architecture SAR SAR SAR SAR
Reference Type External External External External
Supply Voltage (Analog) 2.3V ~ 5.5V 2.3V ~ 5.5V 2.3V ~ 5.5V 2.3V ~ 5.5V
Supply Voltage (Digital) 2.3V ~ 5.5V 2.3V ~ 5.5V 2.3V ~ 5.5V 2.3V ~ 5.5V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Package / Case 10-VFDFN Exposed Pad, CSP 10-VFDFN Exposed Pad, CSP 10-VFDFN Exposed Pad, CSP 10-VFDFN Exposed Pad, CSP
Supplier Device Package 10-LFCSP-WD (3x3) 10-LFCSP-WD (3x3) 10-LFCSP-WD (3x3) 10-LFCSP-WD (3x3)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Product Status Obsolete Active Active Active
RoHS Status Not specified ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant
REACH Status Not specified REACH Unaffected REACH Unaffected REACH Unaffected
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) 1 (Unlimited) 1 (Unlimited)

Engineering Selection Recommendations

All three substitute parts—AD7685CCPZRL7, AD7685ACPZRL7, and AD7685BCPZRL7—are functionally equivalent to the obsolete AD7685CCPZRL based on matching electrical and mechanical specifications.

Product Status Consideration: The substitute parts are all listed as Active, providing ongoing availability and manufacturer support. The original part is Obsolete, making substitution necessary for new production or long-term supply assurance.

Compliance Status: All substitute parts carry ROHS3 compliance and REACH Unaffected status, meeting current regulatory requirements for electronic components in regulated markets.

Packaging and Availability: All substitute parts are available in Cut Tape (CT) and Digi-Reel® packaging formats, supporting both small-scale and high-volume procurement workflows.

Selection among the three active substitutes should be based on inventory availability, lead time, and packaging format requirements specific to your procurement and manufacturing processes.

Frequently Asked Questions (FAQ)

Q: Can AD7685CCPZRL7, AD7685ACPZRL7, and AD7685BCPZRL7 be used as direct replacements for AD7685CCPZRL?

A: Yes. All three parts share identical electrical specifications (16-bit resolution, 250 kSPS sampling rate, pseudo-differential input, SPI/DSP interface, external reference, and supply voltage range), identical package geometry (10-LFCSP-WD 3x3), and identical mounting type (surface mount). They are functionally and mechanically interchangeable.

Q: What is the primary difference between the substitute parts and the original AD7685CCPZRL?

A: The original AD7685CCPZRL is obsolete. The substitute parts (AD7685CCPZRL7, AD7685ACPZRL7, AD7685BCPZRL7) are all Active products with current manufacturer support. Additionally, the substitutes carry explicit ROHS3 compliance and REACH Unaffected certifications.

Q: Are there any differences in electrical performance among the substitute parts?

A: No. All substitute parts maintain identical electrical parameters: 16-bit resolution, 250 kSPS sampling rate, 1 pseudo-differential input, SAR architecture, external reference type, and 2.3V to 5.5V supply voltage range for both analog and digital supplies.

Q: What packaging formats are available for the substitute parts?

A: The substitute parts are available in Cut Tape (CT) and Digi-Reel® packaging formats, supporting both component-level procurement and automated assembly workflows.

Q: Are the substitute parts suitable for designs requiring RoHS and REACH compliance?

A: Yes. All substitute parts are ROHS3 Compliant and REACH Unaffected, meeting regulatory requirements for electronic components in regulated industries and markets.

Q: What is the moisture sensitivity level for these parts?

A: All parts, including the original and substitutes, have a Moisture Sensitivity Level (MSL) of 1 (Unlimited), indicating no moisture sensitivity constraints during storage or handling.

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