Part A
AD9715BCPZ
아날로그 디바이스(주)
- Lifecycle
- Active
- Stock
- 3252 PCS
- Package
- VFQFN-40
- Series
- 데이터 수집 - 다이 모드 변환기(DAC)
Replacement verdict
Compatible functional replacement candidate
The AD9716BCPZRL7 is a functionally compatible replacement candidate for the AD9715BCPZ, sharing the same dual 10-bit DAC architecture, 32-lead LFCSP package, and pinout, with the primary distinction being the higher maximum update rate of the AD9716. Designers should validate dynamic performance and timing margins at the target sample rate before committing to production.
Resolution and Channel Count
High match
Package and Pinout
High match
Maximum Update Rate
Validation required
Supply Voltage and Interface
High match
Parts at a glance
Part B
AD9716BCPZRL7
아날로그 디바이스(주)
- Lifecycle
- Active
- Stock
- 2776 PCS
- Package
- VFQFN-40
- Series
- 데이터 수집 - 다이 모드 변환기(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 | AD9715BCPZ | AD9716BCPZRL7 | Why it matters |
|---|---|---|---|
| Resolution | 14 bit | 12 bit | Resolution determines the number of discrete output levels; a 14-bit DAC offers finer amplitude granularity than a 12-bit DAC, affecting signal fidelity and SFDR performance. |
| Number of DAC Channels | 2 | 2 | Dual channels enable I/Q signal generation; matching channel count is essential for quadrature-based transmit architectures. |
| Maximum Update Rate | 125 MSPS | 125 MSPS | The update rate sets the maximum synthesizable output frequency and must match the system's data throughput requirements. |
| Output Type | Current - Unbuffered | Current - Unbuffered | Current-output DACs require an external I/V stage; matching output type ensures the analog front-end design remains compatible. |
| Supply Voltage | 1.8 V to 3.3 V | 1.8 V to 3.3 V | Supply voltage compatibility determines whether the part can drop into an existing power rail design without level shifting. |
| Interface | Parallel / SPI | Parallel / SPI | The digital interface must match the host controller's bus; identical interfaces allow direct substitution without FPGA or MCU rework. |
| Package / Case | 40-LFCSP (6x6) | 40-LFCSP (6x6) | Package footprint and pinout must match for board-level drop-in replacement without PCB redesign. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | The temperature range must cover the target application's environmental conditions for reliable operation. |
| SFDR (at fOUT = 10 MHz) | 84 dBc | 78 dBc | Spurious-free dynamic range indicates spectral purity; the higher-resolution AD9715 provides better SFDR, which matters for communication and instrumentation signal quality. |
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 | AD9715BCPZ | AD9716BCPZRL7 |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Series | TxDAC® | TxDAC® |
| Part Status | Active | Active |
| Number of Bits | 10 | 12 |
| Number of D/A Converters | 2 | 2 |
| Output Type | Current - Unbuffered | Current - Unbuffered |
| Differential Output | Yes | Yes |
| Data Interface | Parallel | Parallel |
| Reference Type | External, Internal | External, Internal |
| Voltage - Supply, Analog | 1.7V ~ 3.5V | 1.7V ~ 3.5V |
| Voltage - Supply, Digital | 1.7V ~ 1.9V | 1.7V ~ 1.9V |
| INL / DNL(LSB) | ±0.13, ±0.08 | ±0.4, ±0.4 |
| Architecture | Current Source | Current Source |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
Frequently asked questions
What are the key differences between the AD9715BCPZ and AD9716BCPZRL7?
Both are dual-channel, 8-bit/10-bit/12-bit/14-bit TxDAC digital-to-analog converters from Analog Devices in a 40-lead LFCSP package. The AD9715BCPZ is the 14-bit resolution grade, while the AD9716BCPZRL7 is the 12-bit resolution grade supplied in tape-and-reel packaging. Resolution, dynamic performance specifications, and ordering format differ between the two part numbers.
Do the AD9715BCPZ and AD9716BCPZRL7 share the same package and pinout?
Yes. Both devices are offered in the same 40-lead LFCSP (CP-40) package with an identical pin configuration, allowing board-level layout reuse. The difference is the DAC resolution grade and the delivery format (tray vs. tape-and-reel).
What is the resolution of each device?
The AD9715BCPZ provides 14-bit DAC resolution, while the AD9716BCPZRL7 provides 12-bit DAC resolution. Both are dual-channel current-output DACs in the AD971x family.
Can the AD9716BCPZRL7 be used as a drop-in replacement for the AD9715BCPZ?
Pin and package compatibility allows physical substitution, but the AD9716BCPZRL7 offers 12-bit resolution versus 14-bit on the AD9715BCPZ. System performance requirements such as SNR, SFDR, and effective resolution must be re-validated against the target design before substituting.
What supply and interface features do these DACs share?
Both parts operate from a single 1.8 V to 3.3 V supply, include an on-chip 1.0 V reference, and support a parallel LVCMOS input interface with dual DAC channels. They also feature power-down modes and are specified over the industrial temperature range.
What does the RL7 suffix indicate on the AD9716BCPZRL7?
The RL7 suffix denotes tape-and-reel packaging (7-inch reel) for automated assembly. The AD9715BCPZ is supplied in standard tray packaging. Electrical performance is defined by the respective resolution grade, not by the packaging suffix.
Are both devices RoHS compliant?
Yes. Both the AD9715BCPZ and AD9716BCPZRL7 are RoHS-compliant parts per Analog Devices' product documentation, indicated by the "Z" suffix in the part number denoting lead-free, RoHS-compliant construction.