Overview
The AD9634BCPZ-170 is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed to support communications applications where low cost, small size, wide bandwidth, and versatility are crucial. The AD9634 features a multistage, differential pipelined architecture with integrated output error correction logic, ensuring high performance and accuracy. It is available in a 32-lead LFCSP package and operates over an industrial temperature range of −40°C to +85°C.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | Up to 250 MSPS |
| Signal-to-Noise Ratio (SNR) | 69.7 dBFS at 185 MHz AIN and 250 MSPS |
| Spurious Free Dynamic Range (SFDR) | 87 dBc at 185 MHz AIN and 250 MSPS |
| Input Noise | −150.6 dBFS/Hz at 185 MHz, −1 dBFS AIN and 250 MSPS |
| Total Power Consumption | 360 mW at 250 MSPS |
| Supply Voltage | 1.8 V |
| Output Type | LVDS (ANSI-644 levels) |
| Input Clock Divider | Integer 1-to-8, 625 MHz maximum input |
| Analog Input Range | 1.4 V p-p to 2.0 V p-p (1.75 V p-p nominal) |
| Package Type | 32-Lead LFCSP (5mm x 5mm x 0.75mm) |
Key Features
- Integrated 12-bit ADC with sampling rates of up to 250 MSPS.
- Proprietary differential input maintains excellent SNR performance for input frequencies up to 350 MHz.
- Fast overrange and threshold detect.
- 3-pin, 1.8 V SPI port for register programming and readback.
- Pin compatibility with the AD9642 and AD6672 for easy migration.
- Internal ADC voltage reference and duty cycle stabilizer (DCS) to compensate for variations in the ADC clock duty cycle.
- Flexible power-down options for significant power savings.
- LVDS output port for high-speed data transfer.
Applications
- Communications systems.
- Diversity radio systems.
- Multimode digital receivers (3G, TD-SCDMA, WiMax, W-CDMA, CDMA2000, GSM, EDGE, LTE).
- I/Q demodulation systems.
- Smart antenna systems.
- General-purpose software radios.
- Ultrasound equipment.
- Broadband data applications.
Q & A
- What is the resolution of the AD9634BCPZ-170 ADC?
The AD9634BCPZ-170 is a 12-bit analog-to-digital converter.
- What are the maximum sampling rates of the AD9634BCPZ-170?
The AD9634BCPZ-170 can sample at rates up to 250 MSPS.
- What is the signal-to-noise ratio (SNR) of the AD9634BCPZ-170 at 185 MHz input and 250 MSPS?
The SNR is 69.7 dBFS at 185 MHz AIN and 250 MSPS.
- What is the spurious free dynamic range (SFDR) of the AD9634BCPZ-170 at 185 MHz input and 250 MSPS?
The SFDR is 87 dBc at 185 MHz AIN and 250 MSPS.
- What is the total power consumption of the AD9634BCPZ-170 at 250 MSPS?
The total power consumption is 360 mW at 250 MSPS.
- What type of output does the AD9634BCPZ-170 use?
The AD9634BCPZ-170 uses LVDS (ANSI-644 levels) outputs.
- What is the maximum input clock frequency for the AD9634BCPZ-170?
The maximum input clock frequency is 625 MHz with an integer 1-to-8 clock divider.
- What is the analog input range of the AD9634BCPZ-170?
The analog input range is 1.4 V p-p to 2.0 V p-p (1.75 V p-p nominal).
- What package type is the AD9634BCPZ-170 available in?
The AD9634BCPZ-170 is available in a 32-Lead LFCSP (5mm x 5mm x 0.75mm) package.
- What are some of the key applications of the AD9634BCPZ-170?
Key applications include communications systems, diversity radio systems, multimode digital receivers, I/Q demodulation systems, smart antenna systems, general-purpose software radios, ultrasound equipment, and broadband data applications.
