Part A
AD9764ARZ
Công ty Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 5181 PCS
- Series
- Data Acquisition - Digital to Analog Converters (DAC)
Replacement verdict
Compatible functional replacement candidate
The AD9764ARZ and AD9760ARUZ50RL7 are both 10-bit high-speed CMOS DACs from Analog Devices with comparable resolution and update-rate class, making the AD9764ARZ a plausible functional substitute for the AD9760ARUZ50RL7 in many designs. However, the two parts differ in package and pinout, supply and reference architecture, and specified dynamic performance, so the substitution requires board-level validation before production release.
Resolution and DAC Architecture
High match
Package and Pinout
Validation required
Supply Voltage and Reference Configuration
Validation required
Dynamic Performance and Update Rate
Validation required
Parts at a glance
Part B
AD9760ARUZ50RL7
Công ty Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 4123 PCS
- Package
- TSSOP-28
- Series
- Data Acquisition - 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 | AD9760ARUZ50RL7 | 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. |
| Output Type | Current - Unbuffered | Current - Unbuffered | Both provide unbuffered current outputs, requiring an external op-amp for voltage conversion; matching output architecture simplifies circuit reuse. |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | Identical supply range means both can operate from the same power rail without redesign. |
| Package / Case | 28-SOIC | 28-TSSOP | Different package footprints require different PCB land patterns, so they are not drop-in replacements without layout changes. |
| Mounting Type | Surface Mount | Surface Mount | Both are surface-mount devices, consistent with modern SMT assembly processes. |
| Operating Temperature | -40°C to 85°C | -40°C to 85°C | Matching industrial temperature ranges ensure both parts suit the same environmental conditions. |
| Settling Time | 35 ns | 35 ns | Equivalent settling time indicates comparable dynamic performance and update-rate capability. |
| Data Interface | Parallel | Parallel | Both use a parallel input interface, so the same digital host bus timing can drive either device. |
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 | AD9760ARUZ50RL7 |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Series | TxDAC® | TxDAC® |
| Part Status | Active | Active |
| 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 AD9760ARUZ50RL7?
The AD9764ARZ is a 14-bit, 125 MSPS TxDAC digital-to-analog converter in a 28-lead SOIC package, while the AD9760ARUZ50RL7 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 AD9760ARUZ50RL7 have the same update rate?
Yes. Both devices are specified for a maximum update rate of 125 MSPS, making them suitable for comparable high-speed DAC applications where resolution requirements differ.
Are the AD9764ARZ and AD9760ARUZ50RL7 pin-compatible?
No. The AD9764ARZ uses a 28-lead SOIC package, while the AD9760ARUZ50RL7 uses a 28-lead TSSOP package. The package footprints and PCB land patterns differ, so they are not drop-in replacements without layout changes.
What is the resolution difference and how does it affect performance?
The AD9764ARZ provides 14-bit resolution, offering finer output quantization (16,384 levels), while the AD9760ARUZ50RL7 provides 10-bit resolution (1,024 levels). The higher resolution of the AD9764ARZ supports lower quantization noise and better dynamic range in signal synthesis applications.
What supply voltage do these DACs require?
Both the AD9764ARZ and AD9760ARUZ50RL7 operate from a single 2.7 V to 5.5 V supply, with a nominal 3 V or 5 V configuration commonly used in TxDAC applications.
What is the difference in the ordering format between the two parts?
The AD9764ARZ is supplied in tube/rail format in the 28-lead SOIC package, while the AD9760ARUZ50RL7 suffix indicates tape-and-reel packaging (500-piece reel) in the 28-lead TSSOP package, which is relevant for automated high-volume assembly.
Can the AD9760ARUZ50RL7 be used as a lower-cost alternative to the AD9764ARZ?
It can be considered only if the application tolerates 10-bit instead of 14-bit resolution and the PCB is redesigned for the TSSOP footprint. The substitution must be validated against the system's dynamic range, SNR, and SFDR requirements using the respective datasheets.