Overview
The AD9750ARZ is a 10-bit resolution, high-performance digital-to-analog converter (DAC) from Analog Devices Inc. It is part of the TxDAC series, which is specifically optimized for the transmit signal path of communication systems. This DAC offers exceptional AC and DC performance, supporting update rates up to 125 MSPS. The AD9750 is manufactured using an advanced CMOS process and features a segmented current source architecture combined with a proprietary switching technique to enhance dynamic performance. It is available in 28-lead SOIC and TSSOP packages, making it versatile for various applications.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 10 | Bits | ||
| Integral Linearity Error (INL) | -1.0 | ±0.1 | +1.0 | LSB |
| Differential Nonlinearity (DNL) | -0.5 | ±0.1 | +0.5 | LSB |
| Full-Scale Output Current | 2.0 | 20.0 | mA | |
| Output Compliance Range | 1.25 | V | ||
| Output Resistance | 100 kΩ | |||
| Reference Voltage | 1.14 | 1.20 | 1.26 | V |
| Operating Temperature Range | -40 | 85 | °C | |
| Power Dissipation | 190 mW | @ 5 V | ||
| Power-Down Mode | 20 mW | @ 5 V |
Key Features
- High-performance 10-bit DAC with 125 MSPS update rate
- Segmented current source architecture with proprietary switching technique for enhanced dynamic performance
- Edge-triggered input latches and on-chip 1.20 V temperature-compensated bandgap reference
- Differential current outputs with matching for enhanced dynamic performance in differential output configurations
- Flexible single-supply operating range of 4.5 V to 5.5 V
- Low power dissipation of 190 mW at 5 V, with a power-down mode reducing standby power to approximately 20 mW
- CMOS-compatible digital interface supporting +2.7 V to +5.5 V logic families
- Available in 28-lead SOIC and TSSOP packages
Applications
- Wideband communication transmit channels
- Direct IF basestations
- Wireless local loop
- Digital radio links
- Direct digital synthesis (DDS)
- Instrumentation
Q & A
- What is the resolution of the AD9750ARZ DAC?
The AD9750ARZ has a 10-bit resolution.
- What is the maximum update rate of the AD9750ARZ?
The AD9750ARZ supports update rates up to 125 MSPS.
- What are the package options for the AD9750ARZ?
The AD9750ARZ is available in 28-lead SOIC and TSSOP packages.
- What is the operating temperature range of the AD9750ARZ?
The operating temperature range is -40°C to 85°C.
- Can the AD9750ARZ be powered down to reduce power consumption?
Yes, the AD9750ARZ has a power-down mode that reduces standby power dissipation to approximately 20 mW at 5 V.
- What type of digital interface does the AD9750ARZ support?
The AD9750ARZ supports CMOS-compatible digital interfaces with +2.7 V to +5.5 V logic families.
- What is the full-scale output current range of the AD9750ARZ?
The full-scale output current range is 2 mA to 20 mA.
- Does the AD9750ARZ have differential output capabilities?
Yes, the AD9750ARZ provides differential current outputs.
- What is the reference voltage range for the AD9750ARZ?
The reference voltage range is 1.14 V to 1.26 V.
- Is the AD9750ARZ RoHS compliant?
Yes, the AD9750ARZ is RoHS compliant.
