Overview
The AD9650USVZR7-105EP is a dual 16-bit, 105 MSPS analog-to-digital converter (ADC) designed by Analog Devices Inc. This component is optimized for digitizing high-frequency, wide dynamic range signals with input frequencies up to 300 MHz. The dual ADC core features a multistage differential pipelined architecture with integrated output error correction logic, ensuring high performance and accuracy. Each ADC includes wide bandwidth, differential sample-and-hold analog input amplifiers and a shared integrated voltage reference, simplifying design considerations. The AD9650-EP is particularly suited for defense and aerospace applications, adhering to the AQEC standard, and operates over an extended temperature range of −55°C to +85°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16-bit | |
| Sample Rate | Up to 105 MSPS | |
| Analog Supply Voltage | 1.8 V | V |
| Digital Output Supply Voltage | 1.8 V (CMOS or LVDS) | V |
| Signal-to-Noise Ratio (SNR) | 82 dBFS at 30 MHz input and 105 MSPS | dBFS |
| Spurious Free Dynamic Range (SFDR) | 90 dBc at 30 MHz input and 105 MSPS | dBc |
| Power Consumption per Channel | 328 mW at 105 MSPS, 119 mW at 25 MSPS | mW |
| Package Type | 80-lead TQFP | |
| Operating Temperature Range | −55°C to +85°C | °C |
Key Features
- On-chip dither option for improved SFDR performance with low power analog input.
- Proprietary differential input maintaining excellent SNR performance for input frequencies up to 300 MHz.
- Operation from a single 1.8 V supply with a separate digital output driver supply accommodating 1.8 V CMOS or LVDS outputs.
- Standard serial port interface (SPI) for setup and control, supporting data formatting, clock DCS, power-down, and test modes.
- Flexible power-down options for significant power savings.
- Pin compatible with other dual ADC families like AD9268, AD9269, AD9251, AD9231, and AD9204, allowing easy migration across resolutions and bandwidth.
Applications
- Industrial instrumentation
- X-Ray, MRI, and ultrasound equipment
- High speed pulse acquisition
- Chemical and spectrum analysis
- Direct conversion receivers
- Multimode digital receivers
- Smart antenna systems
- General-purpose software radios.
Q & A
- What is the resolution and sample rate of the AD9650USVZR7-105EP?
The AD9650USVZR7-105EP is a 16-bit ADC with a sample rate of up to 105 MSPS.
- What is the operating voltage of the AD9650USVZR7-105EP?
The AD9650USVZR7-105EP operates from a single 1.8 V analog supply and a separate 1.8 V digital output driver supply).
- What are the key features of the AD9650USVZR7-105EP's input stage?
The ADC features proprietary differential inputs with wide bandwidth, differential sample-and-hold analog input amplifiers, and a shared integrated voltage reference).
- How does the AD9650USVZR7-105EP handle clock duty cycle variations?
The ADC includes a duty cycle stabilizer (DCS) to compensate for variations in the ADC clock duty cycle, ensuring excellent performance).
- What are the power consumption characteristics of the AD9650USVZR7-105EP?
The power consumption is 328 mW per channel at 105 MSPS and 119 mW per channel at 25 MSPS).
- What are the output options for the AD9650USVZR7-105EP?
The ADC output data can be routed directly to two external 16-bit output ports or multiplexed on a single 16-bit bus, with options for 1.8 V CMOS or LVDS outputs).
- How is the AD9650USVZR7-105EP programmed and controlled?
Programming and control are accomplished using a 3-wire, SPI-compatible serial interface).
- What is the operating temperature range of the AD9650USVZR7-105EP?
The AD9650USVZR7-105EP operates over an extended temperature range of −55°C to +85°C).
- What are some typical applications of the AD9650USVZR7-105EP?
Typical applications include industrial instrumentation, medical imaging, high-speed pulse acquisition, and various communication systems).
- Is the AD9650USVZR7-105EP suitable for defense and aerospace applications?
Yes, the AD9650USVZR7-105EP supports defense and aerospace applications and adheres to the AQEC standard).
