Overview
The AD9755ASTRL, produced by Analog Devices Inc., is a dual, muxed port, ultra-high-speed, single-channel, 14-bit CMOS Digital-to-Analog Converter (DAC). It integrates a high-quality 14-bit TxDAC+ core, a voltage reference, and digital interface circuitry into a compact 48-lead LQFP package. This DAC is optimized for ultra-high speed applications, supporting update rates up to 300 MSPS, making it suitable for demanding environments where high data rates are required.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 14 Bits | |||
| Integral Linearity Error (INL) | -5 | ±2.5 | +5 | LSB |
| Differential Nonlinearity (DNL) | ±1.5 | LSB | ||
| Update Rate | 300 | MSPS | ||
| Supply Voltage (Analog, Digital) | 3.0 | 3.6 | V | |
| Power Dissipation | 155 | mW @ 3.3 V | ||
| Operating Temperature | -40 | 85 | °C | |
| Package Type | 48-Lead LQFP | |||
Key Features
- Ultrahigh speed conversion rate up to 300 MSPS.
- Dual 14-bit latched, multiplexed input ports for flexible data input.
- On-chip 1.20 V temperature-compensated band gap voltage reference.
- Single 3.3 V supply operation with low power consumption of 155 mW.
- Differential current outputs supporting single-ended or differential applications.
- Internal clock doubling PLL and differential or single-ended clock input.
- Segmented current source architecture combined with proprietary switching technique to reduce glitch energy and maximize dynamic accuracy.
Applications
- Communications: LMDS, LMCS, MMDS base stations.
- Digital synthesis.
- QAM and OFDM modulation.
Q & A
- What is the resolution of the AD9755ASTRL DAC?
The AD9755ASTRL has a resolution of 14 bits.
- What is the maximum update rate of the AD9755ASTRL?
The maximum update rate is up to 300 MSPS.
- What type of package does the AD9755ASTRL come in?
The AD9755ASTRL comes in a 48-lead LQFP package.
- What is the operating supply voltage range for the AD9755ASTRL?
The operating supply voltage range is from 3.0 V to 3.6 V.
- Does the AD9755ASTRL have an on-chip voltage reference?
Yes, it includes a 1.20 V temperature-compensated band gap voltage reference.
- What is the power dissipation of the AD9755ASTRL at 3.3 V supply?
The power dissipation is 155 mW at 3.3 V supply.
- What are the typical applications of the AD9755ASTRL?
Typical applications include communications (LMDS, LMCS, MMDS base stations), digital synthesis, and QAM and OFDM modulation.
- Does the AD9755ASTRL support differential or single-ended outputs?
Yes, it supports both differential and single-ended outputs.
- What is the operating temperature range of the AD9755ASTRL?
The operating temperature range is from -40°C to 85°C.
- Does the AD9755ASTRL have an internal clock doubling PLL?
Yes, it has an internal clock doubling PLL and supports differential or single-ended clock input.
