Part A
AD7714ARZ-5
Công ty Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 3765 PCS
- Package
- SOIC-24
- Series
- Data Acquisition - Analog to Digital Converters (ADC)
Replacement verdict
Compatible functional replacement candidate
The AD7714ARZ-5 and AD7714YR share the same 24-bit sigma-delta ADC architecture, 5-channel programmable gain input, and serial interface, making them functionally interchangeable in most designs. The primary distinction is the package and temperature grade, so the AD7714YR is a viable replacement candidate for the AD7714ARZ-5 provided the target application can accommodate the different package and operating temperature range.
Resolution and ADC Architecture
High match
Input Channel Count and PGA
High match
Package Type
Validation required
Operating Temperature Range
Validation required
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD7714ARZ-5 | AD7714YR | Why it matters |
|---|---|---|---|
| Resolution (bits) | 24 | 24 | Both are 24-bit sigma-delta ADCs, so resolution is identical and not a differentiator. |
| Number of input channels | 5 (3 differential / 5 pseudo-differential) | 5 (3 differential / 5 pseudo-differential) | Channel count determines how many sensor inputs can be multiplexed without external circuitry. |
| Supply voltage (analog) | 5 V | 5 V | Analog supply must match the system rail; both parts target 5 V operation. |
| Interface type | SPI / 3-wire serial | SPI / 3-wire serial | Serial interface compatibility ensures the same microcontroller firmware can drive either part. |
| Package / mounting | 20-lead SOIC (surface mount) | 20-lead SOIC (surface mount) | Package footprint must match the PCB land pattern for drop-in substitution. |
| Operating temperature range | -40 °C to +85 °C | -40 °C to +105 °C | The YR grade supports a wider temperature range, which matters for industrial or harsh-environment designs. |
| Grade / accuracy class | Standard grade | Higher-grade (Y) version | Grade differences can affect specified linearity and offset performance, influencing measurement accuracy. |
| RoHS compliance | RoHS compliant (Z suffix) | Non-RoHS (lead-containing) | RoHS status affects regulatory compliance and solder process selection for production. |
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 | AD7714ARZ-5 | AD7714YR |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Number of Bits | 24 | 24 |
| Sampling Rate(Per Second) | 1k | 1k |
| Number of Inputs | 3, 5 | 3, 5 |
| Input Type | Differential, Pseudo-Differential | Differential, Pseudo-Differential |
| Data Interface | SPI, DSP | SPI, DSP |
| Configuration | MUX-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 | 2.7V ~ 3.3V, 5V |
| Voltage - Supply, Digital | 3V ~ 5.25V | 2.7V ~ 5.25V |
| Features | PGA | PGA |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 105°C |
Frequently asked questions
What are the key differences between the AD7714ARZ-5 and the AD7714YR?
Both are 24-bit sigma-delta ADCs from Analog Devices in the AD7714 family, but they differ in grade and package. The AD7714ARZ-5 is a 5 V specified device in a 24-lead SOIC (R-24) package with an operating temperature range of −40°C to +85°C. The AD7714YR is a Y-grade device in a 24-lead TSSOP (RU-24) package, specified over the −40°C to +105°C temperature range. The "Y" grade denotes tighter specifications than the "A" grade, and the package suffix (R vs RU) indicates SOIC versus TSSOP.
Are the AD7714ARZ-5 and AD7714YR pin-compatible?
No. The AD7714ARZ-5 uses a 24-lead SOIC (R-24) body, while the AD7714YR uses a 24-lead TSSOP (RU-24) body. Although both are 24-pin devices with the same signal functions, the package footprints and PCB land patterns differ, so they are not drop-in replacements without a board redesign.
Do the AD7714ARZ-5 and AD7714YR have the same resolution and architecture?
Yes. Both are 24-bit sigma-delta analog-to-digital converters with a programmable gain front end (gain 1 to 128), an on-chip digital filter, and a serial interface. They share the same core ADC architecture and resolution; the differences lie in grade, package, and specified temperature range.
What is the difference in specified temperature range between the two parts?
The AD7714ARZ-5 is specified over −40°C to +85°C. The AD7714YR is specified over −40°C to +105°C. Designs operating near or above +85°C should use the Y-grade device to remain within its guaranteed specification limits.
Can the AD7714YR be used as a substitute for the AD7714ARZ-5 in an existing design?
Only after validating the differences. The AD7714YR offers a wider temperature range and tighter grade specifications, but it is housed in a TSSOP package rather than SOIC, so the PCB footprint must be changed. Electrical performance should be verified against the datasheet for the specific supply voltage and configuration used in the target design.
What supply voltage do the AD7714ARZ-5 and AD7714YR require?
Both devices operate from a single 3 V or 5 V supply (or dual ±2.5 V supplies), as defined in the AD7714 datasheet. The "5" suffix on the AD7714ARZ-5 indicates the 5 V specified version. The AD7714YR is specified across the standard supply range defined for the Y grade in the datasheet.
Do both parts support the same serial interface and gain settings?
Yes. Both the AD7714ARZ-5 and AD7714YR provide a three-wire serial interface compatible with SPI and QSPI, and both feature a programmable gain amplifier with gain settings of 1, 2, 4, 8, 16, 32, 64, and 128. The interface and gain configuration are common to the AD7714 family.
Which part should be selected for a wide-temperature industrial application?
The AD7714YR is the appropriate choice when the operating temperature can reach up to +105°C, since it is specified over −40°C to +105°C. The AD7714ARZ-5 is limited to +85°C. Selection should also account for the TSSOP package footprint and the tighter Y-grade specifications required by the application.