Part A
AD9783BCPZ
Công ty Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 4236 PCS
- Package
- LFCSP-72
- Series
- Data Acquisition - Digital to Analog Converters (DAC)
Replacement verdict
Compatible functional replacement candidate
The AD9783BCPZ and AD9783BCPZRL are functionally identical dual 16-bit 500 MSPS DACs in the same 72-lead LFCSP package, differing only in packaging format (tray vs. tape-and-reel). The AD9783BCPZRL is a valid drop-in replacement for the AD9783BCPZ, with no electrical, thermal, or footprint differences affecting substitutability.
Package Type
High match
Pin Configuration
High match
Electrical Specifications
High match
Operating Temperature Range
High match
Parts at a glance
Part B
AD9783BCPZRL
Công ty Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 6523 PCS
- Package
- VFQFN-72
- 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 | AD9783BCPZ | AD9783BCPZRL | Why it matters |
|---|---|---|---|
| Resolution | 16 bit | 16 bit | Determines the quantization accuracy of the DAC output; both parts must match for identical signal fidelity. |
| Number of DAC Channels | 2 | 2 | Dual-channel architecture is required for I/Q signal generation; substitutability requires the same channel count. |
| Sampling Rate (Max) | 500 MSPS | 500 MSPS | Maximum update rate defines the achievable output bandwidth and must match for drop-in replacement. |
| Output Type | Current - Unbuffered | Current - Unbuffered | Output interface type must match to ensure compatibility with the downstream analog signal chain. |
| Data Interface | LVDS - Parallel | LVDS - Parallel | The digital input interface must be identical for the same FPGA or controller to drive either part. |
| Supply Voltage | 1.8 V, 3.3 V | 1.8 V, 3.3 V | Matching supply rails ensures the same power design can be reused without modification. |
| Package / Case | 72-VFQFN Exposed Pad, CSP | 72-VFQFN Exposed Pad, CSP | Identical package and footprint are essential for physical board-level interchangeability. |
| Operating Temperature Range | -40°C to 85°C | -40°C to 85°C | The rated temperature range must match to guarantee reliable operation in the target environment. |
| Packaging / Delivery Form | Tray | Tape & Reel (RL) | The only functional difference is the shipping format; tape and reel suits automated assembly while tray suits prototyping or low-volume handling. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD9783BCPZ | AD9783BCPZRL |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Part Status | Active | Active |
| Number of Bits | 16 | 16 |
| Number of D/A Converters | 2 | 2 |
| Output Type | Current - Unbuffered | Current - Unbuffered |
| Differential Output | Yes | Yes |
| Data Interface | LVDS - Parallel | LVDS - Parallel |
| Reference Type | External, Internal | External, Internal |
| Voltage - Supply, Analog | 3.13V ~ 3.47V | 3.13V ~ 3.47V |
| Voltage - Supply, Digital | 1.7V ~ 1.9V, 3.13V ~ 3.47V | 1.7V ~ 1.9V, 3.13V ~ 3.47V |
| INL / DNL(LSB) | ±4, ±2 | ±4, ±2 |
| Architecture | Quad-Switch | Quad-Switch |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
Frequently asked questions
What is the difference between AD9783BCPZ and AD9783BCPZRL?
The AD9783BCPZ and AD9783BCPZRL are the same dual 16-bit, 500 MSPS DAC device in a 72-lead LFCSP package. The suffix difference is packaging form: AD9783BCPZ is the standard tray packaging, while AD9783BCPZRL denotes tape-and-reel packaging for automated assembly. Electrical and functional specifications are identical.
Are AD9783BCPZ and AD9783BCPZRL electrically and functionally identical?
Yes. Both order codes refer to the same silicon die and package type (72-lead LFCSP, 10 mm × 10 mm). The only documented difference is the shipping media (tray vs. tape-and-reel); datasheet performance parameters, pinout, and register map are the same.
Can AD9783BCPZRL be used as a drop-in replacement for AD9783BCPZ?
Yes, from an electrical and footprint standpoint they are interchangeable because they share the same package, pinout, and specifications. The choice between them is driven by manufacturing handling requirements (tray vs. tape-and-reel), not by device performance.
What are the key performance specifications common to both AD9783BCPZ and AD9783BCPZRL?
Both are dual 16-bit DACs with a maximum update rate of 500 MSPS, an LVDS input interface, on-chip 32-bit numerically controlled oscillator (NCO), digital interpolation filters, and an internal 1.2 V reference. They operate from 1.8 V and 3.3 V supplies and are specified over the industrial temperature range of −40°C to +85°C.
Which packaging option should be selected for high-volume automated assembly?
AD9783BCPZRL (tape-and-reel) is intended for automated pick-and-place SMT assembly lines, while AD9783BCPZ (tray) is typically used for prototyping, low-volume runs, or manual handling. Selection depends on the production line's feeder and handling requirements.
Do AD9783BCPZ and AD9783BCPZRL share the same moisture sensitivity level and handling requirements?
Because both are the same 72-lead LFCSP package, they share the same moisture sensitivity level and reflow profile as specified in the manufacturer's datasheet and packaging information. Handling and bake-out requirements are determined by the package, not by the tray-versus-reel format.
Are AD9783BCPZ and AD9783BCPZRL RoHS compliant?
Both order codes use the "Z" suffix, which in Analog Devices nomenclature denotes RoHS-compliant, lead-free packaging. Compliance should be confirmed against the current manufacturer datasheet and product page for the specific order code before final design release.