Part A
AD7715ARZ-5
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 2795 PCS
- Package
- SOP-16
- Series
- Acquisition de données - Convertisseur analogique - numérique (ADC)
Replacement verdict
Compatible functional replacement candidate
The AD7715ARZ-5 and AD7714ARS-5 are both 24-bit sigma-delta ADCs from Analog Devices in a 16-lead SOIC package, sharing a similar serial interface and reference architecture, so the AD7714ARS-5 can serve as a functional replacement candidate for the AD7715ARZ-5. However, the AD7714ARS-5 offers a higher gain range and additional differential input channels, while the AD7715ARZ-5 provides a wider specified analog input span and a different output update rate. Designers should validate the input configuration, gain settings, and timing requirements against the target application before substituting.
Resolution
High match
Package Type
High match
Input Channel Configuration
Validation required
Output Data Rate
Validation required
Parts at a glance
Part B
AD7714ARS-5
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 4752 PCS
- Package
- SSOP-28
- Series
- Acquisition de données - Convertisseur analogique - numérique (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 | AD7715ARZ-5 | AD7714ARS-5 | Why it matters |
|---|---|---|---|
| Resolution (bits) | 16 | 24 | Higher resolution allows finer measurement of small signal changes; a 24-bit ADC can resolve much smaller increments than a 16-bit device. |
| Number of input channels | 1 (differential) | 3 (differential) / 5 (pseudo-differential) | Channel count determines how many independent signal sources can be measured without external multiplexing. |
| Package / mounting | 16-lead SOIC (surface mount) | 24-lead SSOP (surface mount) | Different package footprints and pin counts prevent direct drop-in replacement on an existing PCB layout. |
| Supply voltage (analog/digital) | 3 V or 5 V single supply | 3 V or 5 V single supply | Supply compatibility affects whether the part can operate in the same power rail configuration of the target design. |
| Output data rate (max) | 500 Hz | 1 kHz | Maximum output data rate limits how fast the system can sample and respond to changing input signals. |
| Interface type | SPI / 3-wire serial | SPI / 3-wire serial | Serial interface compatibility determines whether the host microcontroller firmware and wiring can be reused. |
| On-chip PGA gain range | 1 to 128 | 1 to 128 | Programmable gain allows direct amplification of low-level sensor signals, affecting achievable dynamic range and noise performance. |
| Internal reference | No (external reference required) | No (external reference required) | Absence of an internal reference means an external precision reference must be provided, impacting accuracy and board space. |
| Operating temperature range | -40 °C to +85 °C | -40 °C to +85 °C | Temperature range determines suitability for industrial versus commercial environments and thermal stability requirements. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD7715ARZ-5 | AD7714ARS-5 |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Number of Bits | 16 | 24 |
| Sampling Rate(Per Second) | 500 | 1k |
| Number of Inputs | 1 | 3, 5 |
| Input Type | Differential | Differential, Pseudo-Differential |
| Data Interface | SPI, DSP | SPI, DSP |
| Configuration | PGA-ADC | MUX-PGA-ADC |
| Number of A/D Converters | 1 | 1 |
| Architecture | Sigma-Delta | Sigma-Delta |
| Reference Type | External | External |
| Voltage - Supply, Analog | 5V | 5V |
| Voltage - Supply, Digital | 3V ~ 5.25V | 3V ~ 5.25V |
| Features | PGA | PGA |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
Frequently asked questions
What are the primary differences between the AD7715ARZ-5 and the AD7714ARS-5?
The AD7715ARZ-5 is a 16-bit sigma-delta ADC with a single differential input channel, housed in a 16-lead SOIC package, and specified for a 5 V supply. The AD7714ARS-5 is a 24-bit sigma-delta ADC with five input channels (three differential or five pseudo-differential), housed in a 24-lead SSOP package, and also specified for a 5 V supply. The AD7714 offers higher resolution and more input channels, while the AD7715 provides a simpler single-channel solution in a smaller package.
Are the AD7715ARZ-5 and AD7714ARS-5 pin-compatible?
No. The AD7715ARZ-5 uses a 16-lead SOIC package, while the AD7714ARS-5 uses a 24-lead SSOP package. The pin counts, pin functions, and package footprints differ, so they are not pin-compatible and cannot be interchanged on the same PCB land pattern without redesign.
Do both devices support a 5 V power supply?
Yes. Both the AD7715ARZ-5 and the AD7714ARS-5 are specified for operation from a single 5 V supply. The "-5" suffix in both part numbers denotes the 5 V supply version, as distinct from the 3 V variants offered in the same families.
How do the resolution and input channel count compare between the two parts?
The AD7715ARZ-5 provides 16-bit resolution with one differential input channel. The AD7714ARS-5 provides 24-bit resolution with five input channels configurable as three differential or five pseudo-differential inputs. The AD7714 therefore offers higher resolution and greater input flexibility, while the AD7715 is a lower-resolution, single-channel device.
Can the AD7715ARZ-5 be used as a drop-in replacement for the AD7714ARS-5?
No. Because the two devices differ in resolution (16-bit vs 24-bit), input channel count (one differential vs five channels), package type (16-lead SOIC vs 24-lead SSOP), and register/programming architecture, the AD7715ARZ-5 is not a drop-in replacement for the AD7714ARS-5. Any substitution requires a full design review against the manufacturer datasheets.
What are the package and mounting types for each device?
The AD7715ARZ-5 is supplied in a 16-lead SOIC package for surface-mount assembly. The AD7714ARS-5 is supplied in a 24-lead SSOP package, also for surface-mount assembly. Both are surface-mount devices, but their footprints and lead counts are different.
Which device is better suited for multi-channel sensor applications?
The AD7714ARS-5 is better suited for multi-channel sensor applications because it provides five input channels (three differential or five pseudo-differential) and 24-bit resolution. The AD7715ARZ-5, with only one differential input channel and 16-bit resolution, is intended for single-channel measurement applications.