AD9779ABSVZ
| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 100-TQFP Exposed Pad |
| Mfr | Analog Devices Inc. |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Output Type | Current - Unbuffered |
| Supplier Device Package | 100-TQFP-EP (14x14) |
| Number of Bits | 16 |
| Differential Output | Yes |
| Number of D/A Converters | 2 |
| Settling Time | - |
| Architecture | Oversampling Interpolating DAC |
| Reference Type | Internal |
| Data Interface | Parallel |
| Voltage - Supply, Analog | 3.13V ~ 3.47V |
| Voltage - Supply, Digital | 1.7V ~ 2.05V, 3.13V ~ 3.47V |
| INL/DNL (LSB) | ±6, ±2.1 |
| Package | Tray |
| Product Status | Active |
| Conevo-Key Programmable | Not Verified |
| Base Product Number | AD9779 |
| REACH Status | REACH Unaffected |
| Standard Package | 1 |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
AD9779ABSVZ 16-Bit Dual-Channel High-Speed DAC
The AD9779ABSVZ is a high-performance 16-bit dual-channel high-speed digital-to-analog converter (DAC) from Analog Devices (ADI), designed for demanding high-frequency signal generation applications. Built on advanced 0.18μm CMOS工艺, it delivers a maximum sampling rate of 1GSPS, featuring a JESD204B serial interface for high-speed data transmission and integrated 2x interpolation filters to simplify reconstruction filter design. The device adopts a segmented current-steering architecture (7-bit coarse + 7-bit fine segments) with common-centroid current cell layout, ensuring ±0.1% matching accuracy and -78dBc THD for superior signal integrity.
The AD9779ABSVZ excels in high-speed signal generation applications, with key scenarios:
1. Software-Defined Radio (SDR): High-performance SDR systems, leveraging 1GSPS sampling rate and 16-bit resolution for accurate signal generation and processing.
2. Broadband Communication: 5G base stations and optical communication modules, using JESD204B interface for high-speed data transmission and superior signal integrity.
3. Radar & Aerospace: Radar systems and aerospace electronics, benefiting from high dynamic range and stable performance in harsh environments.
4. Test & Measurement: High-speed signal generators and test instruments, utilizing precise conversion and low harmonic distortion for accurate signal simulation.
Alternative DAC Models
● ADI AD9779BSVZ: 100-TQFP-EP, 16-bit dual-channel 1GSPS DAC, direct pin-compatible substitute with identical performance
● ADI AD9778A: 100-TQFP-EP, 14-bit dual-channel 1GSPS DAC, cost-effective alternative for lower-resolution requirements
● TI DAC38J84: 16-bit dual-channel 1.2GSPS DAC, QFP package, high-speed alternative with enhanced interface flexibility
