Overview
The AD9773BSVZRL is a high-performance, 12-bit, dual Transmit Digital-to-Analog Converter (TxDAC) produced by Analog Devices Inc. It is part of the AD977x family, known for its programmable 2×/4×/8× interpolating capabilities. This device is designed to meet the demands of high dynamic range, multicarrier, and multi-standard systems, particularly in communications and instrumentation applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Maximum DAC Output Update Rate (fDAC) | 400 MSPS | MSPS |
| Input/Output Data Rate | 160 MSPS / 400 MSPS | MSPS |
| Interpolation Factor | 2×/4×/8× | |
| Supply Voltage | 3.1 V to 3.5 V | V |
| Power Dissipation | Typical 1.2 W @ 3.3 V | W |
| Operating Temperature | −40°C to +85°C | °C |
| Package Type | 80-Lead Thin Quad Flat Package, Exposed Pad (TQFP_EP) | |
| Integral Non-Linearity (INL) | ±1.5 LSB | LSB |
| Settling Time | 11 ns (Typ) | ns |
Key Features
- Programmable channel gain and offset adjustment
- fS/2, fS/4, fS/8 digital quadrature modulation capability
- Direct IF transmission mode for 70 MHz + IFs
- Image rejection architecture
- Fully compatible SPI port
- Excellent ac performance: SFDR −69 dBc @ 2 MHz to 35 MHz, WCDMA ACPR −69 dB @ IF = 19.2 MHz
- Internal PLL clock multiplier and selectable internal clock divider
- Versatile clock input: Differential/single-ended sine wave or TTL/CMOS/LVPECL compatible
- Versatile input data interface: Twos complement/straight binary data coding, Dual-port or single-port interleaved input data
- Single 3.3 V supply operation with on-chip 1.2 V reference
Applications
- Communications: Analog quadrature modulation architecture, 3G, multicarrier GSM, TDMA, CDMA systems, broadband wireless, point-to-point microwave radios
- Instrumentation/ATE: High-performance systems employing high order QAM modulation schemes
Q & A
- What is the resolution of the AD9773BSVZRL?
The AD9773BSVZRL has a 12-bit resolution.
- What are the maximum DAC output update rates for the AD9773BSVZRL?
The maximum DAC output update rates are 160 MSPS and 400 MSPS.
- What are the interpolation factors available for the AD9773BSVZRL?
The interpolation factors are 2×, 4×, and 8×.
- What is the operating temperature range for the AD9773BSVZRL?
The operating temperature range is −40°C to +85°C.
- What type of package does the AD9773BSVZRL come in?
The AD9773BSVZRL comes in an 80-Lead Thin Quad Flat Package, Exposed Pad (TQFP_EP).
- What is the typical power dissipation of the AD9773BSVZRL?
The typical power dissipation is 1.2 W at 3.3 V.
- Does the AD9773BSVZRL support digital quadrature modulation?
Yes, it supports fS/2, fS/4, fS/8 digital quadrature modulation.
- What is the settling time of the AD9773BSVZRL?
The settling time is typically 11 ns.
- What are some of the key applications for the AD9773BSVZRL?
Key applications include communications (3G, multicarrier GSM, TDMA, CDMA systems) and instrumentation/ATE.
- Does the AD9773BSVZRL have an internal PLL clock multiplier?
Yes, it has an internal PLL clock multiplier and a selectable internal clock divider.
