Overview
The AD9740ARZRL is a 10-bit resolution, wideband, third-generation member of the TxDAC series of high-performance, low-power CMOS digital-to-analog converters (DACs) from Analog Devices Inc. This component is specifically optimized for the transmit signal path of communication systems and is part of a pin-compatible family that includes 8-, 10-, 12-, and 14-bit DACs. The AD9740 offers exceptional AC and DC performance, supporting update rates up to 210 MSPS, making it well-suited for portable and low-power applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 10 bits | |||
| Conversion Rate | 210 MSPS | |||
| Integral Nonlinearity (INL) | ±0.7 | LSB | ||
| Differential Nonlinearity (DNL) | ±0.12 | LSB | ||
| Output Settling Time (tST) | 11 | ns | ||
| Output Propagation Delay (tPD) | 1 | ns | ||
| Glitch Impulse | 5 | pV-s | ||
| Output Noise (IOUTFS = 20 mA) | 50 | pA/√Hz | ||
| Power Supply Voltage | 2.7 | 3.3 | 3.6 | V |
| Power Dissipation (typical) | 135 | mW | ||
| Standby Power Dissipation | 15 | mW | ||
| Package Type | 28-Lead SOIC (Wide) | |||
Key Features
- Segmented current source architecture combined with a proprietary switching technique to reduce spurious components and enhance dynamic performance.
- Edge-triggered input latches and a 1.2 V temperature-compensated band gap voltage reference.
- Supports 3 V CMOS logic families.
- High-speed, single-ended CMOS clock input supporting up to 210 MSPS conversion rate.
- Low power operation with the ability to reduce full-scale current output for lower power consumption and a sleep mode for low power idle periods.
- Differential output and industry-standard package options (28-lead SOIC, 28-lead TSSOP, and 32-lead LFCSP).
Applications
The AD9740ARZRL is optimized for the transmit signal path of communication systems, making it suitable for a variety of applications including wideband communication systems, wireless infrastructure, and other high-speed data transmission systems.
Q & A
- What is the resolution of the AD9740ARZRL?
The AD9740ARZRL has a 10-bit resolution. - What is the maximum conversion rate of the AD9740ARZRL?
The maximum conversion rate is 210 MSPS. - What are the power supply voltage ranges for the AD9740ARZRL?
The power supply voltage ranges from 2.7 V to 3.6 V. - How much power does the AD9740ARZRL typically dissipate?
The typical power dissipation is 135 mW. - What is the standby power dissipation of the AD9740ARZRL?
The standby power dissipation is approximately 15 mW. - What types of packages are available for the AD9740ARZRL?
The component is available in 28-lead SOIC (Wide), 28-lead TSSOP, and 32-lead LFCSP packages. - Does the AD9740ARZRL support differential output?
Yes, it supports differential output. - What is the integral nonlinearity (INL) of the AD9740ARZRL?
The INL is ±0.7 LSB. - Can the full-scale current output of the AD9740ARZRL be adjusted?
Yes, the full-scale current output can be adjusted from 2 mA to 20 mA via an external resistor. - What logic family does the AD9740ARZRL support?
The AD9740ARZRL supports 3 V CMOS logic families.
