Overview
The AD9691BCPZ-1250 is a high-performance, dual 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for sampling wide bandwidth analog signals up to 1.5 GHz, making it suitable for various high-speed applications. The AD9691 features a multistage, differential pipelined architecture with integrated output error correction logic, ensuring high accuracy and reliability. It also includes on-chip buffers and sample-and-hold circuits, which contribute to its low power consumption and compact size.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14-bit |
| Sampling Rate | 1.25 GSPS |
| Analog Input Full Power Bandwidth | 1.5 GHz |
| Channel Isolation/Crosstalk | 95 dB |
| Power Consumption per Channel | 1.9 W |
| Package Type | 88-Lead LFCSP (12mm x 12mm w/ EP) |
| Operating Temperature Range | -40°C to +85°C |
| Input Termination Impedance | 400 Ω, 200 Ω, 100 Ω, and 50 Ω differential |
Key Features
- Low power consumption analog core with 1.9 W per channel.
- Buffered inputs with programmable input termination to ease filter design and implementation.
- Flexible serial port interface (SPI) for controlling various product features.
- Programmable fast overrange detection to monitor incoming signal power and avoid overrange conditions.
- Integrated digital down-converters (DDCs) with 12-bit frequency translators (NCO) and four half-band decimation filters.
- Support for Subclass 1 JESD204B-based high-speed serialized output in various lane configurations.
- Multiple device synchronization through SYSREF± input pins.
Applications
- Communications: wideband receivers and digital predistortion.
- Instrumentation: spectrum analyzers, network analyzers, and integrated RF test solutions.
- DOCSIS 3.x CMTS upstream receive paths.
- High-speed data acquisition systems.
Q & A
- What is the resolution and sampling rate of the AD9691BCPZ-1250?
The AD9691BCPZ-1250 is a 14-bit ADC with a sampling rate of 1.25 GSPS.
- What is the full power bandwidth of the analog input?
The full power bandwidth of the analog input is up to 1.5 GHz.
- What are the available input termination impedances?
The available input termination impedances are 400 Ω, 200 Ω, 100 Ω, and 50 Ω differential.
- How does the AD9691BCPZ-1250 handle overrange conditions?
The device features programmable fast overrange detection to monitor incoming signal power and quickly adjust system gain to avoid overrange conditions.
- What is the power consumption per channel?
The power consumption per channel is 1.9 W.
- What package type is the AD9691BCPZ-1250 available in?
The device is available in an 88-Lead LFCSP package (12mm x 12mm w/ EP).
- What is the operating temperature range of the AD9691BCPZ-1250?
The operating temperature range is -40°C to +85°C.
- What are some of the key applications of the AD9691BCPZ-1250?
Key applications include communications, instrumentation, DOCSIS 3.x CMTS upstream receive paths, and high-speed data acquisition systems.
- Does the AD9691BCPZ-1250 support multiple device synchronization?
- What is the JESD204B lane configuration flexibility of the AD9691BCPZ-1250?
The device supports Subclass 1 JESD204B-based high-speed serialized output in various one-, two-, four-, or eight-lane configurations.
