Overview
The AD9648TCPZ-125-EP is a dual 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for high-performance applications requiring low power consumption and high sampling rates. It operates from a single 1.8 V analog power supply and supports 1.8 V CMOS or LVDS digital output logic levels. The AD9648 is packaged in a 64-lead RoHS compliant LFCSP, making it compatible with various other ADC models from Analog Devices, facilitating easy migration between different converter types.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 125 MSPS |
| Analog Supply Voltage | 1.8 V |
| Digital Output Logic | 1.8 V CMOS or LVDS |
| Signal-to-Noise Ratio (SNR) | 74.5 dBFS at 70 MHz |
| Spurious-Free Dynamic Range (SFDR) | 91 dBc at 70 MHz |
| Power Consumption | 106 mW/channel at 125 MSPS |
| Analog Input Bandwidth | 650 MHz |
| Operating Temperature Range | −40°C to +85°C (industrial), −55°C to +125°C (military) |
| Package Type | 64-Lead LFCSP (9mm x 9mm w/ EP) |
Key Features
- Differential analog input with 650 MHz bandwidth
- IF sampling frequencies up to 200 MHz
- Programmable clock and data alignment
- Programmable digital test pattern generation (deterministic, pseudorandom, and custom user-defined patterns)
- Differential clock input with optional duty cycle stabilizer (DCS)
- Data output in offset binary, Gray code, or twos complement format
- Data output clock (DCO) for each ADC channel
- Support for SPI interface for setup and control
- Military temperature range and AQEC standard compliance for defense and aerospace applications
Applications
- Communications systems
- Diversity radio systems
- Multimode digital receivers (GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, TD-SCDMA)
Q & A
- What is the resolution of the AD9648TCPZ-125-EP?
The AD9648TCPZ-125-EP has a resolution of 14 bits.
- What is the maximum sampling rate of the AD9648TCPZ-125-EP?
The maximum sampling rate is 125 MSPS.
- What are the supported digital output logic levels?
The AD9648 supports 1.8 V CMOS or LVDS digital output logic levels.
- What is the power consumption per channel at 125 MSPS?
The power consumption per channel is 106 mW at 125 MSPS.
- What is the bandwidth of the analog input?
The analog input bandwidth is 650 MHz.
- What are the operating temperature ranges for the AD9648TCPZ-125-EP?
The operating temperature ranges are −40°C to +85°C (industrial) and −55°C to +125°C (military).
- What type of package does the AD9648TCPZ-125-EP use?
The AD9648TCPZ-125-EP is packaged in a 64-Lead LFCSP (9mm x 9mm w/ EP).
- Does the AD9648TCPZ-125-EP support SPI interface?
Yes, it supports a standard serial port interface (SPI) for setup and control.
- What are some of the applications for the AD9648TCPZ-125-EP?
It is used in communications systems, diversity radio systems, and multimode digital receivers.
- Is the AD9648TCPZ-125-EP compliant with military standards?
Yes, it is compliant with AQEC standards and supports a military temperature range.
