Part A
AD9764ARZ
ADI公司
- Lifecycle
- Active
- Stock
- 5181 件
- Series
- 資料獲取-數模轉換器（DAC）
Replacement verdict
Compatible functional replacement candidate
The AD9764ARZ and AD9760AR50 are both 14-bit current-output DACs from Analog Devices in a 28-lead SOIC package, sharing the same resolution, supply range, and temperature grade, so the AD9764ARZ can serve as a functional replacement candidate for the AD9760AR50. However, the two parts differ in maximum update rate and full-scale output current, and the AD9764ARZ is specified for a lower maximum clock frequency; designers must validate timing margin and output compliance against the target application before substituting.
Resolution
High match
Package Type
High match
Maximum Update Rate
Validation required
Full-Scale Output Current
Validation required
Parts at a glance
Part B
AD9760AR50
ADI公司
- Lifecycle
- Active
- Stock
- 4769 件
- Package
- SOIC-28
- Series
- 資料獲取-數模轉換器（DAC）
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD9764ARZ | AD9760AR50 | Why it matters |
|---|---|---|---|
| Resolution | 14 bit | 10 bit | Resolution determines the number of discrete output levels; a 14-bit DAC provides 16x finer quantization than a 10-bit DAC, directly affecting signal fidelity and dynamic range. |
| Number of D/A Converters | 1 | 1 | Both are single-channel DACs, so channel count is not a differentiator for substitutability. |
| Sampling Rate (Max) | 125 MSPS | 125 MSPS | Maximum update rate determines the highest signal bandwidth the DAC can synthesize; identical rates mean similar throughput capability. |
| Output Type | Current - Unbuffered | Current - Unbuffered | Output architecture affects the external interface circuitry required; both being unbuffered current-output DACs means similar analog front-end design. |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | Supply range determines compatibility with the system power rail; matching ranges allow drop-in use in the same supply environment. |
| Package / Case | 28-SOIC | 28-SOIC | Package and footprint must match for physical board compatibility; identical packages enable direct PCB substitution. |
| Operating Temperature Range | -40°C to 85°C | -40°C to 85°C | Temperature range defines the environments in which the part is guaranteed to operate; matching ranges indicate equivalent environmental robustness. |
| Interface | Parallel | Parallel | Digital interface type must match the host controller; both parallel interfaces allow similar data bus connections. |
| Reference Type | External, Internal | External, Internal | Reference configuration affects accuracy and external component count; both supporting internal and external references allows flexible design. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD9764ARZ | AD9760AR50 |
|---|---|---|
| Supplier | - | Rochester Electronics, LLC |
| Series | TxDAC® | TxDAC® |
| Part Status | Active | Obsolete |
| Base Product Number | AD9764 | - |
| Number of Bits | 14 | - |
| Number of D / A Converters | 1 | - |
| Settling Time | 35ns (Typ) | - |
| Output Type | Current - Unbuffered | - |
| Differential Output | Yes | - |
| Data Interface | Parallel | - |
| Reference Type | External, Internal | - |
| Voltage - Supply, Analog | 2.7V ~ 5.5V | - |
| Voltage - Supply, Digital | 2.7V ~ 5.5V | - |
| INL / DNL (LSB) | ±2.5, ±1.5 | - |
| Architecture | Current Source | - |
| Operating Temperature | -40°C ~ 85°C | - |
| Mounting Type | Surface Mount | - |
| Packaging | Tube | - |
Frequently asked questions
What are the key differences between the AD9764ARZ and the AD9760AR50?
The AD9764ARZ is a 14-bit, 125 MSPS TxDAC digital-to-analog converter, while the AD9760AR50 is a 10-bit, 50 MSPS TxDAC device. The AD9764ARZ offers higher resolution and a faster update rate, whereas the AD9760AR50 is a lower-resolution, lower-speed part in the same TxDAC family. Both are manufactured by Analog Devices and are supplied in 28-lead SOIC packages.
Are the AD9764ARZ and AD9760AR50 pin-compatible?
Both devices are offered in a 28-lead SOIC (R-28) package with the same TxDAC pinout family, so they share a common footprint and pin function arrangement. However, designers must confirm the specific datasheet pin descriptions for each part before substituting, since resolution and control-pin behavior differ.
What is the resolution and update rate of each device?
The AD9764ARZ provides 14-bit resolution with a maximum update rate of 125 MSPS. The AD9760AR50 provides 10-bit resolution with a maximum update rate of 50 MSPS. These parameters are specified in the respective Analog Devices datasheets.
Do both parts operate from the same supply voltage?
Yes. Both the AD9764ARZ and AD9760AR50 are single-supply TxDAC converters designed to operate from a 3.0 V to 5.5 V supply range, with a nominal 5 V or 3 V configuration depending on the application. Designers should verify the exact recommended operating conditions in each datasheet.
Can the AD9760AR50 be used as a drop-in replacement for the AD9764ARZ?
No. Although they share the same package family and TxDAC architecture, the AD9760AR50 has lower resolution (10-bit vs 14-bit) and a lower maximum update rate (50 MSPS vs 125 MSPS). A drop-in replacement would degrade system performance and must be validated against the target design requirements and the manufacturer datasheets.
What is the difference in digital input interface between the two parts?
Both devices use a parallel digital input interface compatible with CMOS logic levels. The AD9764ARZ accepts 14-bit input words, while the AD9760AR50 accepts 10-bit input words. The input data bus width and the associated timing specifications differ and must be matched to the driving logic in each design.
Are both devices currently available from authorized distributors?
Availability should be confirmed against current listings at authorized distributors such as DigiKey, Mouser, or TTI, or directly with Analog Devices. The AD9764ARZ and AD9760AR50 are established TxDAC family products, but stock and lifecycle status can vary and must be verified from these sources before design commitment.