Overview
The AD9708ARURL7, produced by Analog Devices Inc., is an 8-bit resolution member of the TxDAC series of high-performance, low-power CMOS digital-to-analog converters (DACs). This component is part of a family that includes pin-compatible 8-, 10-, 12-, and 14-bit DACs, optimized for the transmit signal path of communication systems. The AD9708 offers exceptional AC and DC performance, supporting update rates up to 125 MSPS, making it suitable for various high-speed applications.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 8 bits |
| Update Rate | Up to 125 MSPS |
| Output Current | Nominal full-scale output current: 20 mA |
| Output Impedance | > 100 kΩ |
| Supply Voltage | 2.7 V to 5.5 V |
| Power Dissipation | 175 mW @ 5 V, 45 mW @ 3 V, 20 mW in power-down mode |
| Settling Time | 35 ns to 0.1% full-scale settling |
| Linearity | DNL: 1/4 LSB, INL: 1/4 LSB |
| SINAD @ 5 MHz Output | 50 dB |
| Package | 28-Lead TSSOP (4.4mm x 9.7mm) |
Key Features
- Segmented current source architecture combined with proprietary switching technique to reduce spurious components and enhance dynamic performance.
- Edge-triggered input latches and temperature-compensated bandgap reference.
- Differential current outputs supporting single-ended or differential applications.
- On-chip 1.20 V reference and reference control amplifier for setting full-scale output current via an external resistor.
- Flexible supply options supporting +3 V and +5 V CMOS logic families.
- Power-down mode to reduce standby power dissipation.
Applications
- Communications: Optimized for the transmit signal path of communication systems.
- Signal Reconstruction: Suitable for high-speed signal reconstruction applications.
- Instrumentation: Used in various instrumentation applications requiring high accuracy and speed.
- Portable and Low Power Applications: Due to its low power dissipation, it is well-suited for portable devices.
Q & A
- What is the resolution of the AD9708ARURL7?
The AD9708ARURL7 has an 8-bit resolution.
- What is the maximum update rate of the AD9708ARURL7?
The AD9708ARURL7 supports update rates up to 125 MSPS.
- What is the nominal full-scale output current of the AD9708ARURL7?
The nominal full-scale output current is 20 mA.
- What is the output impedance of the AD9708ARURL7?
The output impedance is greater than 100 kΩ.
- What is the supply voltage range for the AD9708ARURL7?
The supply voltage range is from 2.7 V to 5.5 V.
- How much power does the AD9708ARURL7 dissipate?
The power dissipation is 175 mW @ 5 V, 45 mW @ 3 V, and 20 mW in power-down mode.
- What is the settling time of the AD9708ARURL7?
The settling time is 35 ns to 0.1% full-scale settling.
- What are the linearity specifications of the AD9708ARURL7?
The DNL is 1/4 LSB, and the INL is 1/4 LSB.
- What is the SINAD at 5 MHz output for the AD9708ARURL7?
The SINAD at 5 MHz output is 50 dB.
- In what package is the AD9708ARURL7 available?
The AD9708ARURL7 is available in a 28-Lead TSSOP package.
