Part A
AD9715BCPZ
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 3252 PCS
- Package
- VFQFN-40
- Series
- Acquisition de données - convertisseur numérique - analogique (DAC)
Replacement verdict
Compatible functional replacement candidate
The AD9715BCPZ and AD9715BCPZRL7 are functionally identical dual 10-bit current-output DACs from Analog Devices, differing only in packaging format (tray vs. tape-and-reel). Both share the same die, electrical specifications, and 40-lead LFCSP package, making them fully interchangeable for design and production purposes; the choice between them is purely a matter of assembly and inventory handling preference.
Resolution and Channel Count
High match
Package and Footprint
High match
Supply Voltage and Interface
High match
Operating Temperature Range
High match
Parts at a glance
Part B
AD9715BCPZRL7
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 6539 PCS
- Package
- VFQFN-40
- Series
- Acquisition de données - convertisseur numérique - analogique (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 | AD9715BCPZRL7 | Why it matters |
|---|---|---|---|
| Resolution | 10 bit | 10 bit | Determines the quantization granularity of the DAC output; identical resolution means equivalent signal reconstruction fidelity. |
| Number of DAC Channels | 2 | 2 | Dual-channel architecture enables I/Q signal generation; matching channel count ensures functional interchangeability in quadrature systems. |
| Update Rate (Max) | 125 MSPS | 125 MSPS | Sets the maximum sample rate and achievable output bandwidth; identical rates mean the same spectral performance envelope. |
| Output Type | Current - Unbuffered | Current - Unbuffered | Defines the interface to the analog front end; matching output type allows the same external termination and filtering network. |
| Supply Voltage | 1.8 V to 3.3 V | 1.8 V to 3.3 V | Determines power rail compatibility; identical ranges allow the same power supply design without modification. |
| Package / Case | 40-WFQFN Exposed Pad, CSP | 40-WFQFN Exposed Pad, CSP | Footprint and thermal characteristics must match for drop-in board replacement; identical packages ensure PCB compatibility. |
| Operating Temperature Range | -40°C to 85°C | -40°C to 85°C | Defines environmental limits for reliable operation; matching ranges ensure equivalent application suitability. |
| Packaging / Delivery Form | Tray | Tape & Reel (7-inch reel) | Affects manufacturing handling and assembly line feed method; the RL7 variant is reeled for automated pick-and-place, while the base part ships in trays. |
| Ordering Quantity / MOQ | 1 (individual unit) | Reel quantity (e.g., 1500 per reel) | Impacts procurement for prototyping versus volume production; the reeled variant is intended for high-volume automated assembly. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD9715BCPZ | AD9715BCPZRL7 |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Series | TxDAC® | TxDAC® |
| Part Status | Active | Active |
| Number of Bits | 10 | 10 |
| 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 | ±0.13, ±0.08 |
| Architecture | Current Source | Current Source |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
Frequently asked questions
What is the difference between AD9715BCPZ and AD9715BCPZRL7?
The AD9715BCPZ and AD9715BCPZRL7 are the same dual 10-bit current-output DAC device in a 40-lead LFCSP package. The suffix difference is packaging format: AD9715BCPZ is supplied in tray or cut-tape quantities, while AD9715BCPZRL7 is supplied in 7-inch tape-and-reel format for automated assembly. Electrical performance and die are identical.
Are AD9715BCPZ and AD9715BCPZRL7 electrically and functionally interchangeable?
Yes. Both order codes refer to the same AD9715 silicon in the same 40-lead LFCSP (CP-40-1) package with identical pinout, specified at 10-bit resolution, dual DAC channels, and a maximum update rate of 125 MSPS. They differ only in shipping media, so they are interchangeable in the target design.
What are the key performance specifications of the AD9715?
The AD9715 is a dual 10-bit current-steering DAC with an update rate up to 125 MSPS, an on-chip 1.0 V reference, and a nominal full-scale output current of 20 mA (adjustable). It operates from a 1.8 V to 3.3 V analog supply and 1.8 V digital supply, and is specified for SFDR and IMD performance suitable for broadband communications and instrumentation applications.
Which package and pin count do both order codes use?
Both AD9715BCPZ and AD9715BCPZRL7 use the 40-lead LFCSP (lead frame chip scale package), designated CP-40-1 by Analog Devices, with an exposed paddle for thermal and ground connection. The package footprint and pin assignments are identical between the two order codes.
Why would a designer choose the RL7 tape-and-reel version over the tray version?
The AD9715BCPZRL7 is supplied on a 7-inch tape-and-reel, which is compatible with automated pick-and-place assembly lines and is preferred for high-volume production. The AD9715BCPZ tray or cut-tape format is typically used for prototyping, low-volume builds, or manual assembly.
Do both parts share the same operating temperature range and qualification?
Yes. Both AD9715BCPZ and AD9715BCPZRL7 are specified over the industrial temperature range of −40°C to +85°C and are RoHS-compliant, as indicated by the "Z" suffix in the order code. Qualification and reliability data apply equally to both order codes because the die and package are identical.
Can the AD9715BCPZRL7 be used as a drop-in replacement for AD9715BCPZ in an existing PCB design?
Yes. Because both order codes share the same 40-lead LFCSP package, pinout, and electrical specifications, the AD9715BCPZRL7 is a drop-in replacement for the AD9715BCPZ. No layout, footprint, or external component changes are required; only the assembly feed format differs.