Overview
The AD9743BCPZRL, produced by Analog Devices Inc., is a high dynamic range, dual digital-to-analog converter (DAC) designed for high-performance applications. This component is part of the AD9743/AD9745/AD9746/AD9747 family, which offers pin-compatible devices with various resolutions and sample rates. The AD9743 specifically features 10-bit resolution and a sample rate of up to 250 MSPS, making it suitable for demanding signal processing tasks.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 10 | Bits | ||
| Differential Nonlinearity (DNL) | ±0.05 | ±0.13 | LSB | |
| Integral Nonlinearity (INL) | ±0.10 | ±0.25 | LSB | |
| Offset Error | ±0.001 | ±0.001 | %FSR | |
| Offset Error Temperature Coefficient | 1.0 | 1.0 | ppm/°C | |
| Gain Error | ±2.0 | ±2.0 | %FSR | |
| Gain Error Temperature Coefficient | 100 | 100 | ppm/°C | |
| Gain Matching (DAC1 to DAC2) | ±1.0 | ±1.0 | %FSR | |
| Full-Scale Output Current | 8.6 | 31.7 | mA | |
| Output Compliance Voltage | -1.0 | +1.0 | V | |
| Output Resistance | 10 | 10 | MΩ | |
| Auxiliary DAC Output Resolution | 10 | Bits | ||
| Power Dissipation | 315 | mW | ||
| Supply Voltages | 1.8 V, 3.3 V | V | ||
| Operating Temperature | -40°C | +85°C | °C |
Key Features
- High dynamic range with 10-bit resolution and sample rates up to 250 MSPS.
- LVCMOS inputs with dual-port or optional interleaved single-port operation.
- Differential analog current outputs programmable from 8.6 mA to 31.7 mA full-scale.
- Auxiliary 10-bit current DACs with source/sink capability for external offset nulling.
- Internal 1.2 V precision reference voltage source.
- Operates from 1.8 V and 3.3 V supplies with low power dissipation of 315 mW.
- Small footprint, RoHS-compliant, 72-lead LFCSP package.
- Gain and offset compensation for direct conversion transmit applications.
- Seamless interface with analog quadrature modulators.
Applications
- Wireless infrastructure: W-CDMA, CDMA2000, TD-SCDMA, WiMAX.
- Wideband communications: LMDS/MMDS, point-to-point.
- Instrumentation: RF signal generators, arbitrary waveform generators.
- Radio frequency (RF) signal processing.
Q & A
- What is the resolution of the AD9743BCPZRL?
The AD9743BCPZRL has a resolution of 10 bits.
- What is the maximum sample rate of the AD9743BCPZRL?
The maximum sample rate is up to 250 MSPS.
- What are the supply voltages for the AD9743BCPZRL?
The device operates from 1.8 V and 3.3 V supplies.
- What is the power dissipation of the AD9743BCPZRL?
The power dissipation is 315 mW.
- What is the package type of the AD9743BCPZRL?
The device is packaged in a 72-lead LFCSP.
- What are the key applications of the AD9743BCPZRL?
Key applications include wireless infrastructure, wideband communications, instrumentation, and RF signal processing.
- Does the AD9743BCPZRL support dual-port or single-port operation?
Yes, it supports both dual-port and optional interleaved single-port operation.
- What is the range of the full-scale output current?
The full-scale output current is programmable from 8.6 mA to 31.7 mA.
- Does the AD9743BCPZRL have internal reference voltage source?
Yes, it has an internal 1.2 V precision reference voltage source.
- Is the AD9743BCPZRL RoHS-compliant?
Yes, the device is RoHS-compliant.
