Overview
The AD9117BCPZ, produced by Analog Devices Inc., is a dual, 14-bit low power digital-to-analog converter (DAC) optimized for the transmit signal path of communication systems. This TxDAC® converter is part of the AD9114/AD9115/AD9116/AD9117 family, which are pin-compatible and offer various resolutions from 8 to 14 bits. The AD9117BCPZ supports a sample rate of up to 125 MSPS and is designed for applications requiring high performance, low power consumption, and flexibility in power supply operating range (1.8 V to 3.3 V).
Key Specifications
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| Resolution | - | 14 bits | - | - |
| Sample Rate | MSPS | - | 125 | - |
| Supply Voltage | V | 1.8 | - | 3.3 |
| Power Dissipation @ 3.3 V, 20 mA output | mW | - | 191 @ 10 MSPS | 232 @ 125 MSPS |
| Sleep Mode Power Dissipation @ 3.3 V | mW | - | < 3 | - |
| Output Settling Time (tST) to 0.1% | ns | - | 11.5 | - |
| Output Rise Time (10% to 90%) | ns | - | 0.27 | - |
| Output Fall Time (90% to 10%) | ns | - | 0.27 | - |
| Differential Current Outputs | mA | 2 | - | 20 |
| Output Common Mode | V | 0 | - | 1.2 |
| Package Type | - | - | 40-Lead LFCSP (6mm x 6mm w/ EP) | - |
Key Features
- Low Power Consumption: The AD9117BCPZ operates on a single 1.8 V to 3.3 V supply, with total power consumption as low as 191 mW at 10 MSPS and 232 mW at 125 MSPS. It also features sleep and power-down modes for low power idle periods.
- High-Speed LVCMOS Clock Input: Supports a 125 MSPS conversion rate with a high-speed, single-ended LVCMOS clock input.
- Adjustable Output Common Mode: Allows for easy interfacing to other components by adjusting the output common mode from 0 V to 1.2 V.
- Dual DACs and Auxiliary DACs: Features two D/A converters and two on-chip auxiliary DACs.
- Small Footprint and RoHS Compliance: Packaged in a 40-lead LFCSP (6mm x 6mm w/ EP) which is RoHS-compliant.
Applications
- Wireless Infrastructures: Suitable for picocell, femtocell base stations.
- Medical Instrumentation: Used in ultrasound transducer excitation and other medical devices.
- Portable Instrumentation: Ideal for low power and portable applications.
- Signal Generators and Arbitrary Waveform Generators: Utilized in various signal generation applications.
Q & A
- What is the resolution of the AD9117BCPZ DAC?
The AD9117BCPZ is a 14-bit digital-to-analog converter.
- What is the maximum sample rate of the AD9117BCPZ?
The AD9117BCPZ supports a sample rate of up to 125 MSPS.
- What is the power supply operating range of the AD9117BCPZ?
The power supply operating range is from 1.8 V to 3.3 V.
- What are the power dissipation characteristics of the AD9117BCPZ?
The power dissipation is approximately 191 mW at 10 MSPS and 232 mW at 125 MSPS, with sleep mode power dissipation less than 3 mW.
- What type of clock input does the AD9117BCPZ support?
The AD9117BCPZ supports a high-speed, single-ended LVCMOS clock input.
- What is the output common mode range of the AD9117BCPZ?
The output common mode is adjustable from 0 V to 1.2 V.
- What package type is the AD9117BCPZ available in?
The AD9117BCPZ is available in a 40-lead LFCSP (6mm x 6mm w/ EP) package.
- Is the AD9117BCPZ RoHS-compliant?
Yes, the AD9117BCPZ is RoHS-compliant.
- What are some typical applications of the AD9117BCPZ?
Typical applications include wireless infrastructures, medical instrumentation, portable instrumentation, and signal generators.
- Does the AD9117BCPZ have any auxiliary DACs?
Yes, the AD9117BCPZ features two on-chip auxiliary DACs.
