Part A
AD9764ARZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 5181 Stückzahl
- Series
- Data Acquisition von Digital to Analog Converters (DAC)
Replacement verdict
Compatible functional replacement candidate
The AD9764ARZ and AD9760ARU50 are both 10-bit current-output DACs from Analog Devices with comparable resolution and update-rate class, making the AD9764ARZ a plausible functional substitute for the AD9760ARU50 in many designs. However, the two parts differ in package and pinout, supply and reference configuration, and specified dynamic performance, so the replacement is not a drop-in swap. Engineers should validate board layout, decoupling, reference biasing, and AC linearity against the target application before committing to the substitution.
Resolution and DAC Architecture
High match
Package and Pinout
Validation required
Supply and Reference Configuration
Validation required
Dynamic Performance
Validation required
Parts at a glance
Part B
AD9760ARU50
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 8985 Stückzahl
- Package
- TSSOP-28
- Series
- Data Acquisition von Digital to Analog Converters (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 | AD9760ARU50 | Why it matters |
|---|---|---|---|
| Resolution | 14 bit | 10 bit | Higher resolution provides finer output quantization and lower quantization noise, directly affecting signal fidelity in the DAC output. |
| Number of D/A Converters | 1 | 1 | Both are single-channel DACs, so channel count is compatible for single-path signal chains. |
| Sampling Rate (Max) | 125 MSPS | 125 MSPS | Maximum update rate determines the highest signal bandwidth the DAC can synthesize; matching rates support similar high-speed applications. |
| Output Type | Current - Unbuffered | Current - Unbuffered | Current-output DACs require an external I/V stage; matching output type means the same analog front-end topology can be reused. |
| Supply Voltage (Analog/Digital) | 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 rails without redesigning the power architecture. |
| Package / Case | 28-SOIC | 28-TSSOP | Different package footprints require board layout changes; drop-in substitution is not possible without adapting the PCB land pattern. |
| Operating Temperature Range | -40°C to 85°C | -40°C to 85°C | Identical temperature ratings ensure both parts suit the same industrial-grade environmental conditions. |
| Mounting Type | Surface Mount | Surface Mount | Both are surface-mount devices, compatible with the same assembly process, though footprint differs. |
| Data Interface | Parallel | Parallel | A parallel input interface allows high-speed data transfer; matching interface type simplifies digital host connection. |
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Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD9764ARZ | AD9760ARU50 |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Series | TxDAC® | TxDAC® |
| Part Status | Active | Obsolete |
| Number of Bits | 14 | 10 |
| Number of D/A Converters | - | 1 |
| Settling Time | 35ns (Typ) | 35ns (Typ) |
| Output Type | Current - Unbuffered | Current - Unbuffered |
| Differential Output | Yes | Yes |
| Data Interface | Parallel | Parallel |
| Reference Type | External, Internal | External, Internal |
| Voltage - Supply, Analog | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Voltage - Supply, Digital | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| INL / DNL(LSB) | - | ±0.5, ±0.25 |
| Architecture | Current Source | Current Source |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Base Product Number | AD9764 | - |
| Number of D / A Converters | 1 | - |
| INL / DNL (LSB) | ±2.5, ±1.5 | - |
| Mounting Type | Surface Mount | - |
| Packaging | Tube | - |
Frequently asked questions
What are the key differences between the AD9764ARZ and AD9760ARU50?
The AD9764ARZ is a 14-bit, 125 MSPS TxDAC digital-to-analog converter in a 28-lead SOIC package, while the AD9760ARU50 is a 10-bit, 50 MSPS TxDAC in a 28-lead TSSOP package. The AD9764 offers higher resolution and a faster update rate, whereas the AD9760ARU50 provides lower resolution at a reduced sample rate in a smaller footprint package.
Are the AD9764ARZ and AD9760ARU50 pin-compatible?
No. The AD9764ARZ uses a 28-lead SOIC (RW-28) package, and the AD9760ARU50 uses a 28-lead TSSOP (RU-28) package. These are different package types with different physical dimensions and PCB land patterns, so they are not drop-in replacements for each other.
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 AD9760ARU50 provides 10-bit resolution with a maximum update rate of 50 MSPS. Designs requiring finer quantization and higher signal bandwidth should favor the AD9764ARZ.
Do both parts operate from the same supply voltage?
Yes. Both the AD9764 and AD9760 are TxDAC family members that operate from a single 2.7 V to 5.5 V supply, with a nominal 3 V to 5 V range commonly used in applications. This allows both devices to be used in similar low-power mixed-signal systems.
What is the power consumption of each converter?
The AD9764ARZ typically dissipates about 190 mW at 5 V and approximately 45 mW at 3 V. The AD9760ARU50 typically dissipates about 175 mW at 5 V and approximately 45 mW at 3 V. Exact power depends on the output configuration and update rate.
Can the AD9760ARU50 be used as a lower-cost substitute for the AD9764ARZ?
Only if the system can tolerate the reduced 10-bit resolution and 50 MSPS maximum update rate, and the PCB is redesigned for the TSSOP package. The two parts are not pin-compatible, so a direct board-level substitution is not possible without layout changes and validation against the application's accuracy and bandwidth requirements.
What are the output interface characteristics of these DACs?
Both devices are current-output DACs with differential current outputs intended to drive a transformer or resistive load. They support differential or single-ended output configurations and include an on-chip 1.20 V bandgap reference, allowing full-scale output current to be set with an external resistor.
Which device is better suited for high-resolution waveform generation?
The AD9764ARZ is better suited for high-resolution waveform generation because its 14-bit resolution provides 16,384 output levels versus 1,024 levels for the 10-bit AD9760ARU50. The higher resolution reduces quantization noise and improves spectral performance in demanding signal synthesis applications.