Part A
AD7710ARZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 4329 Stückzahl
- Package
- SOIC-24
- Series
- Datenerfassung mit Analog to Digital Converters (ADC)
Replacement verdict
Compatible functional replacement candidate
The AD7710ARZ and AD7710AR-REEL are functionally equivalent, sharing the same silicon die, package, and full electrical specification; the only distinction is the REEL suffix denoting tape-and-reel packaging for automated assembly. Either part number can be used interchangeably in the same circuit, with the choice driven solely by production handling requirements rather than by any performance or interface difference.
Package Type
High match
Pin Configuration
High match
Electrical Specifications
High match
Operating Temperature Range
High match
Parts at a glance
Part B
AD7710AR-REEL
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 8859 Stückzahl
- Package
- SOIC-24
- Series
- Datenerfassung mit Analog to Digital Converters (ADC)
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD7710ARZ | AD7710AR-REEL | Why it matters |
|---|---|---|---|
| Resolution | 24 bit | 24 bit | Both parts provide the same 24-bit ADC resolution, so measurement precision is identical. |
| Number of Input Channels | 2 (differential) | 2 (differential) | Channel count determines how many signal sources can be connected; identical here. |
| Interface Type | Serial (SPI-compatible, 3-wire) | Serial (SPI-compatible, 3-wire) | The digital interface must match the host controller; both use the same serial interface. |
| Supply Voltage | 5 V (analog and digital) | 5 V (analog and digital) | Supply requirements affect board-level power design; both operate from a 5 V supply. |
| Package / Case | 24-Lead SOIC (Wide) | 24-Lead SOIC (Wide) | Package footprint must match the PCB land pattern for drop-in substitution; both are 24-lead wide SOIC. |
| Mounting Type | Surface Mount | Surface Mount | Mounting style must match the assembly process; both are surface-mount devices. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | Temperature range determines suitability for the target environment; identical for both parts. |
| Packaging / Delivery Form | Tube | Tape & Reel | Delivery form affects automated pick-and-place assembly and inventory handling; the reel version suits high-volume SMT lines while the tube version suits low-volume or prototyping. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD7710ARZ | AD7710AR-REEL |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Part Status | Active | Obsolete |
| Number of Bits | 24 | 24 |
| Sampling Rate(Per Second) | 1k | 1k |
| Number of Inputs | 2 | 2 |
| Input Type | Differential | Differential |
| Data Interface | SPI | SPI |
| Configuration | MUX-PGA-ADC | MUX-PGA-ADC |
| Number of A/D Converters | 1 | 1 |
| Architecture | Sigma-Delta | Sigma-Delta |
| Reference Type | External, Internal | External, Internal |
| Voltage - Supply, Analog | 5V ~ 10V | 5V ~ 10V |
| Voltage - Supply, Digital | 5V | 5V |
| Features | PGA | PGA |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
Frequently asked questions
What is the difference between AD7710ARZ and AD7710AR-REEL?
The AD7710ARZ is the standard tube-packaged ordering code for the AD7710 24-bit sigma-delta ADC in a 24-lead SOIC package. The AD7710AR-REEL is the same AD7710AR device supplied on tape and reel for automated assembly. Both share identical die, electrical specifications, and package type; the difference is packaging and shipping format.
Are AD7710ARZ and AD7710AR-REEL electrically and functionally identical?
Yes. Both ordering codes refer to the same AD7710 signal-conditioning ADC with on-chip PGA, 24-bit sigma-delta modulator, and bidirectional serial interface. The "Z" suffix denotes RoHS-compliant lead finish, while "-REEL" denotes tape-and-reel packaging. Datasheet electrical characteristics apply equally to both.
What package do AD7710ARZ and AD7710AR-REEL use?
Both are offered in a 24-lead SOIC (small outline integrated circuit) package, consistent with the AD7710AR/AD7710ARZ ordering codes. The package body and pinout are identical between the two ordering variants.
Does the "Z" suffix on AD7710ARZ indicate RoHS compliance?
Yes. Analog Devices uses the "Z" suffix to designate RoHS-compliant, lead-free (Pb-free) parts. The AD7710ARZ is the RoHS-compliant version, whereas the AD7710AR-REEL ordering code reflects the tape-and-reel format of the same base device. Designers should confirm the specific lead finish from the manufacturer's product page for the exact ordering code used.
Which variant is better for high-volume automated PCB assembly?
The AD7710AR-REEL is intended for automated pick-and-place assembly because it is supplied on tape and reel. The AD7710ARZ in tube packaging is typically used for prototyping, low-volume runs, or manual assembly. Both contain the same device and are functionally interchangeable once placed on the board.
Can AD7710ARZ and AD7710AR-REEL be used interchangeably in an existing design?
Yes, from an electrical and footprint standpoint they are the same AD7710 device in the same 24-lead SOIC package. The only practical difference is the shipping format (tube vs. tape and reel) and the RoHS designation associated with the ordering code. Verify the specific ordering code's compliance documentation against your production requirements.
What are the key specifications shared by AD7710ARZ and AD7710AR-REEL?
Both are 24-bit sigma-delta ADCs with on-chip programmable gain amplifier, differential analog inputs, a bidirectional serial interface, and operation from a single +5 V or dual ±5 V supply, as documented in the AD7710 datasheet. These core specifications are identical across both ordering codes because they are the same silicon device.