Overview
The AD9708ARZRL is an 8-bit resolution member of the TxDAC series of high-performance, low-power CMOS digital-to-analog converters (DACs) produced by Analog Devices Inc. This device is part of the TxDAC family, which 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. It features a flexible single-supply operating range of 2.7 V to 5.5 V and low power dissipation, making it suitable for portable and low-power applications.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 8 | Bits | ||
| Integral Linearity Error (INL) | -1/2 | ±1/4 | +1/2 | LSB |
| Differential Nonlinearity (DNL) | -1/2 | ±1/4 | +1/2 | LSB |
| Full-Scale Output Current | 2.0 | 20.0 | mA | |
| Output Compliance Range | -1.0 | 1.25 | V | |
| Output Resistance | 100 kΩ | |||
| Output Capacitance | 5 pF | |||
| Reference Voltage | 1.08 | 1.20 | 1.32 | V |
| Reference Output Current | 100 nA | |||
| Power Dissipation (at 5 V) | 175 mW | |||
| Power Dissipation (at 3 V) | 45 mW | |||
| Power-Down Mode | 20 mW |
Key Features
- Member of the TxDAC product family with pin-compatible 8-, 10-, 12-, and 14-bit DACs.
- Update rate up to 125 MSPS.
- Flexible single-supply operating range of 2.7 V to 5.5 V.
- Low power dissipation: 175 mW at 5 V and 45 mW at 3 V, with a power-down mode of 20 mW.
- Differential current outputs supporting single-ended or differential applications.
- On-chip 1.20 V reference and reference control amplifier.
- Edge-triggered input latches compatible with +3 V and +5 V CMOS logic families.
- Available in 28-lead SOIC and 28-lead TSSOP packages.
Applications
- Communications systems: The AD9708 is optimized for the transmit signal path in communication systems.
- Signal reconstruction: Suitable for reconstructing signals in various communication and instrumentation applications.
- Instrumentation: Used in instrumentation where high-speed and high-accuracy DACs are required.
Q & A
- What is the resolution of the AD9708ARZRL? The AD9708ARZRL has an 8-bit resolution.
- What is the maximum update rate of the AD9708ARZRL? The AD9708ARZRL supports update rates up to 125 MSPS.
- What is the operating voltage range of the AD9708ARZRL? The AD9708ARZRL operates within a single-supply range of 2.7 V to 5.5 V.
- How much power does the AD9708ARZRL consume? The power dissipation is 175 mW at 5 V and 45 mW at 3 V, with a power-down mode of 20 mW.
- What types of packages are available for the AD9708ARZRL? The AD9708ARZRL is available in 28-lead SOIC and 28-lead TSSOP packages.
- Can the AD9708ARZRL be used in differential applications? Yes, the AD9708ARZRL provides differential current outputs to support single-ended or differential applications.
- Is the AD9708ARZRL compatible with different CMOS logic families? Yes, it is compatible with +3 V and +5 V CMOS logic families.
- What is the output compliance range of the AD9708ARZRL? The output compliance range is -1.0 V to 1.25 V.
- Does the AD9708ARZRL have an on-chip reference? Yes, it includes a 1.20 V on-chip reference and reference control amplifier.
- What are the typical applications of the AD9708ARZRL? The AD9708ARZRL is typically used in communications systems, signal reconstruction, and instrumentation.
