Part A
AD9144BCPZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 3069 Stückzahl
- Package
- LFCSP-88
- Series
- Data Acquisition von Digital to Analog Converters (DAC)
Replacement verdict
Compatible functional replacement candidate
The AD9144BCPAZRL is a reel-packaged variant of the AD9144BCPZ and shares the same quad 16-bit 2.8 GSPS DAC die, 88-lead LFCSP footprint, and industrial temperature range, making it a functionally compatible replacement candidate. The only meaningful distinction is the packaging format, so design validation should focus on reel handling and assembly flow rather than electrical or thermal performance.
Resolution and Channel Count
High match
Package and Footprint
High match
Operating Temperature Range
High match
Packaging Format
Validation required
Parts at a glance
Part B
AD9144BCPAZRL
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 5659 Stückzahl
- Package
- VFQFN-88
- 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 | AD9144BCPZ | AD9144BCPAZRL | Why it matters |
|---|---|---|---|
| Resolution | 16 bit | 16 bit | Determines the quantization accuracy of the DAC output; identical resolution means equivalent signal fidelity. |
| Number of DAC Channels | 2 | 2 | Dual-channel architecture enables I/Q signal generation; matching channel count ensures functional interchangeability. |
| Maximum Update Rate | 2.8 GSPS | 2.8 GSPS | Sets the maximum sample rate for wideband signal synthesis; identical rates preserve bandwidth capability. |
| Output Interface | JESD204B | JESD204B | Defines the digital input protocol and lane configuration; matching interface ensures board-level compatibility. |
| Supply Voltage | 1.8 V to 3.3 V | 1.8 V to 3.3 V | Determines power rail requirements; identical ranges allow the same power design to be reused. |
| Package / Case | 88-Lead LFCSP (12x12) | 88-Lead LFCSP (12x12) | Footprint and thermal characteristics must match for drop-in substitution on an existing PCB. |
| Packaging / Ordering Format | Tray | Tape & Reel | Affects manufacturing handling and assembly line feed method; the reel version suits automated high-volume placement. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | Confirms both parts meet the same industrial temperature envelope for reliable operation. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD9144BCPZ | AD9144BCPAZRL |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Series | TxDAC+® | TxDAC+® |
| Part Status | Active | Active |
| Number of Bits | 16 | 16 |
| Number of D/A Converters | 4 | 4 |
| Settling Time | 20ns (Typ) | 20ns (Typ) |
| Output Type | Current - Unbuffered | Current - Unbuffered |
| Differential Output | Yes | Yes |
| Data Interface | JESD204B | JESD204B |
| Reference Type | Internal | Internal |
| Voltage - Supply, Analog | 3.13V ~ 3.47V | 3.13V ~ 3.47V |
| Voltage - Supply, Digital | 1.14V ~ 1.26V | 1.14V ~ 1.26V |
| INL / DNL(LSB) | ±2, ±1 | ±2, ±1 |
| Architecture | Oversampling Interpolating DAC | Oversampling Interpolating DAC |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
Frequently asked questions
What are the AD9144BCPZ and AD9144BCPAZRL?
Both are the same Analog Devices AD9144 quad-channel, 16-bit, 2.8 GSPS digital-to-analog converter (DAC) with JESD204B interface, supplied in a 72-lead LFCSP package. The AD9144BCPZ is the standard tray packaging orderable part number, while the AD9144BCPAZRL is the tape-and-reel orderable variant of the same device.
Are the AD9144BCPZ and AD9144BCPAZRL electrically and functionally identical?
Yes. Both orderable part numbers correspond to the same AD9144 silicon die and the same 72-lead LFCSP package. The difference is packaging format for automated assembly: AD9144BCPZ is supplied in trays, and AD9144BCPAZRL is supplied in tape-and-reel. Datasheet electrical specifications, pinout, and functional behavior are the same for both.
What is the difference between the AD9144BCPZ and AD9144BCPAZRL?
The primary difference is the shipping packaging. AD9144BCPZ is the tray-pack option, while AD9144BCPAZRL is the tape-and-reel option (the "RL" suffix denotes reel packaging). Both use the same 72-lead LFCSP package and the same AD9144 device, so there is no difference in performance, pinout, or temperature grade between them.
Can the AD9144BCPZ and AD9144BCPAZRL be used interchangeably in a design?
Yes, from an electrical and mechanical standpoint they are interchangeable because they are the same device in the same 72-lead LFCSP package. The choice between them is driven by manufacturing requirements: tray packaging for low-volume or manual assembly, and tape-and-reel for high-volume automated pick-and-place lines.
What are the key performance specifications of the AD9144?
The AD9144 is a quad 16-bit DAC with a maximum update rate of 2.8 GSPS, a JESD204B serial interface, and an on-chip PLL. It supports multichip synchronization and is specified for operation over the industrial temperature range. These specifications apply equally to the AD9144BCPZ and AD9144BCPAZRL since they are the same device.
Which packaging option should be selected for high-volume production?
For high-volume automated surface-mount assembly, the AD9144BCPAZRL tape-and-reel option is generally preferred because it is compatible with automated pick-and-place equipment and reel feeders. The AD9144BCPZ tray option is typically used for prototyping, low-volume runs, or manual assembly.
Do the AD9144BCPZ and AD9144BCPAZRL share the same datasheet and evaluation tools?
Yes. Both orderable part numbers refer to the same AD9144 device, so the same Analog Devices AD9144 datasheet, evaluation board, and software tools apply to both. Designers can validate a design using either part number and expect identical device behavior.