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 AD9760ARU50RL are both 10-bit high-speed CMOS DACs from Analog Devices with matching resolution, supply voltage, and current-output architecture, making them functionally comparable in many designs. However, the AD9764ARZ offers a higher update rate and a different package and pinout than the AD9760ARU50RL, so board-level validation of timing margin, thermal performance, and footprint compatibility is required before substituting one for the other.
Resolution
High match
Output Type
High match
Update Rate
Validation required
Package Type
Not compatible
Parts at a glance
Part B
AD9760ARU50RL
ADI公司
- Lifecycle
- Active
- Stock
- 9961 件
- Package
- TSSOP-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 | AD9760ARU50RL | 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 chain substitution. |
| Output Type | Current - Unbuffered | Current - Unbuffered | Current-output DACs require an external I/V stage; matching output type ensures the surrounding analog circuitry remains compatible. |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | Compatible supply ranges allow the parts to operate from the same rail without redesigning the power section. |
| Package / Case | 28-SOIC | 28-TSSOP | Different package footprints require PCB layout changes; drop-in substitution is not possible without an adapter or board revision. |
| Mounting Type | Surface Mount | Surface Mount | Both are surface-mount devices, so assembly process compatibility is maintained. |
| Operating Temperature | -40°C to 85°C | -40°C to 85°C | Identical industrial temperature ranges ensure both parts meet the same environmental requirements. |
| Settling Time | 35 ns | 35 ns | Matching settling time supports similar update rates and dynamic performance in the target application. |
| Data Interface | Parallel | Parallel | A parallel interface on both parts means the digital host connection and timing scheme remain compatible. |
| Reference Type | External, Internal | External, Internal | Both support internal and external references, giving flexibility in reference architecture without changing the design approach. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD9764ARZ | AD9760ARU50RL |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| 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 AD9760ARU50RL?
The AD9764ARZ is a 14-bit, 125 MSPS TxDAC digital-to-analog converter in a 28-lead SOIC package, while the AD9760ARU50RL is a 10-bit, 125 MSPS TxDAC DAC in a 28-lead TSSOP package supplied in tape-and-reel format. The primary differences are resolution (14-bit vs 10-bit) and package type (SOIC vs TSSOP).
Do the AD9764ARZ and AD9760ARU50RL have the same update rate?
Yes. Both devices are specified for a maximum update rate of 125 MSPS, making them pin-compatible in terms of speed class within the TxDAC family.
Are the AD9764ARZ and AD9760ARU50RL pin-compatible?
Both are 28-lead devices from the same TxDAC family and share a similar pin function arrangement, but they differ in package type (SOIC for the AD9764ARZ vs TSSOP for the AD9760ARU50RL). PCB land patterns and thermal characteristics differ, so footprint compatibility must be verified against the respective datasheets before substitution.
What is the resolution difference and how does it affect performance?
The AD9764ARZ provides 14-bit resolution, offering 16,384 output levels, while the AD9760ARU50RL provides 10-bit resolution, offering 1,024 output levels. The higher resolution of the AD9764ARZ yields lower quantization noise and better dynamic range (SFDR and SNR) for demanding signal synthesis applications.
What are the supply voltage and power requirements for these DACs?
Both devices operate from a single 3.0 V to 5.5 V supply and are specified for low power operation typical of the TxDAC family. Exact power consumption figures should be confirmed from the respective manufacturer datasheets, as they depend on update rate and supply voltage.
What is the difference in packaging and ordering format?
The AD9764ARZ is supplied in a 28-lead SOIC package in tube or standard reel quantities. The AD9760ARU50RL is supplied in a 28-lead TSSOP package in tape-and-reel format (the "RL" suffix denotes reel packaging), which is suited to automated high-volume assembly.
Can the AD9760ARU50RL be used as a drop-in replacement for the AD9764ARZ?
No. Although both are 125 MSPS TxDAC devices, they differ in resolution (10-bit vs 14-bit) and package (TSSOP vs SOIC). A drop-in replacement is not possible without verifying pin functions, PCB footprint, and system resolution requirements against both datasheets.
What applications are these TxDAC converters typically used for?
Both the AD9764ARZ and AD9760ARU50RL are intended for communications, instrumentation, and signal synthesis applications requiring high-speed digital-to-analog conversion. The 14-bit AD9764ARZ suits higher-fidelity transmit and waveform generation, while the 10-bit AD9760ARU50RL suits cost-sensitive, lower-resolution signal paths.