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 AD9760ARRL are both 10-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 AD9760ARRL. However, the two devices differ in update rate and spurious-free dynamic range, so the replacement should be validated against the target application's sampling and spectral performance requirements before adoption.
Resolution
High match
Output Type
High match
Update Rate
Validation required
Dynamic Performance
Validation required
Parts at a glance
Part B
AD9760ARRL
ADI公司
- Lifecycle
- Active
- Stock
- 3702 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 | AD9760ARRL | 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 compatible for single-path signal chains. |
| Update Rate (Max) | 125 MSPS | 125 MSPS | Maximum sample rate defines the highest signal bandwidth the DAC can synthesize; identical rates mean comparable throughput capability. |
| Output Type | Current - Unbuffered | Current - Unbuffered | Current-output DACs require an external I/V stage; matching output type ensures the same analog front-end topology can be reused. |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | Compatible supply ranges allow the same power rail design to support either part without rework. |
| Package / Case | 28-SOIC | 28-SOIC | Identical package and footprint enable drop-in board replacement without layout changes. |
| Operating Temperature | -40°C to 85°C | -40°C to 85°C | Matching industrial temperature ranges ensure equivalent environmental robustness for the target application. |
| Interface | Parallel | Parallel | A parallel input interface means the same digital host and timing scheme can drive either device. |
| INL / DNL Linearity | ±2.5 LSB INL (typ) | ±0.5 LSB INL (typ) | Linearity error affects distortion and accuracy; the 14-bit part specifies larger LSB-referenced INL, so absolute accuracy differs between the two. |
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 | AD9764ARZ | AD9760ARRL |
|---|---|---|
| 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 AD9760ARRL?
The AD9764ARZ is a 14-bit, 125 MSPS TxDAC+ digital-to-analog converter in a 28-lead SOIC package, while the AD9760ARRL is a 10-bit, 125 MSPS TxDAC+ DAC in a 28-lead SSOP package supplied in tape-and-reel form. The primary differences are resolution (14-bit vs 10-bit) and package type (SOIC vs SSOP).
Are the AD9764ARZ and AD9760ARRL pin-compatible?
No. The AD9764ARZ uses a 28-lead SOIC (RW-28) package, whereas the AD9760ARRL uses a 28-lead SSOP (RS-28) package. The package footprints and land patterns differ, so they are not drop-in replacements on the same PCB layout.
Do both parts support the same update rate?
Yes. Both the AD9764ARZ and AD9760ARRL are specified for a maximum update rate of 125 MSPS, making them suitable for high-speed DAC applications in the same clock domain.
What is the resolution difference and how does it affect performance?
The AD9764ARZ provides 14-bit resolution, offering 16,384 output levels, while the AD9760ARRL provides 10-bit resolution, offering 1,024 output levels. The higher resolution of the AD9764ARZ yields lower quantization noise and better dynamic range, which matters in applications requiring fine amplitude control or high SFDR.
Are both devices part of the same TxDAC+ family and do they share the same digital interface?
Yes. Both are members of the Analog Devices TxDAC+ family and use a parallel CMOS-compatible input interface with a segmented current-steering architecture. This allows similar digital timing and control schemes, though the input data bus width differs (14-bit vs 10-bit).
What are the typical supply and power characteristics of these DACs?
Both devices operate from a single 3.0 V to 5.5 V supply and are specified for low power operation. The AD9764ARZ typically consumes about 190 mW at 5 V, while the AD9760ARRL typically consumes about 175 mW at 5 V. Exact power figures should be confirmed against the respective datasheets for the specific operating conditions.
Can the AD9760ARRL be used as a lower-cost substitute for the AD9764ARZ?
Only if the application can tolerate reduced resolution (10-bit vs 14-bit) and the PCB is redesigned for the SSOP package. Because the packages and bit widths differ, a direct substitution is not possible without validating both the layout and the system performance requirements against the manufacturer datasheets.