Overview
The AD9634BCPZRL7-170 is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to support communications applications where low cost, small size, wide bandwidth, and versatility are crucial. The ADC features a multistage, differential pipelined architecture with integrated output error correction logic, ensuring high performance and reliability. It is available in a 32-lead LFCSP package and operates over the industrial temperature range of −40°C to +85°C.
Key Specifications
| Specification | 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 speeds of up to 250 MSPS.
- Fast overrange and threshold detect.
- Proprietary differential input maintains excellent SNR performance for input frequencies up to 350 MHz.
- 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 maintain excellent performance.
- Flexible power-down options for significant power savings.
- Wide bandwidth inputs supporting user-selectable input ranges.
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 AD9634BCPZRL7-170 ADC?
The AD9634BCPZRL7-170 is a 12-bit analog-to-digital converter.
- What are the maximum sampling rates supported by the AD9634BCPZRL7-170?
The AD9634BCPZRL7-170 supports sampling rates of up to 250 MSPS.
- What is the signal-to-noise ratio (SNR) of the AD9634BCPZRL7-170 at 185 MHz AIN 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 AD9634BCPZRL7-170 at 185 MHz AIN and 250 MSPS?
The SFDR is 87 dBc at 185 MHz AIN and 250 MSPS.
- What is the total power consumption of the AD9634BCPZRL7-170 at 250 MSPS?
The total power consumption is 360 mW at 250 MSPS.
- What type of output does the AD9634BCPZRL7-170 use?
The output type is LVDS (ANSI-644 levels).
- What is the operating temperature range of the AD9634BCPZRL7-170?
The operating temperature range is −40°C to +85°C.
- What is the package type of the AD9634BCPZRL7-170?
The package type is 32-Lead LFCSP (5mm x 5mm x 0.75mm).
- Does the AD9634BCPZRL7-170 have an internal voltage reference?
Yes, the AD9634BCPZRL7-170 has an internal ADC voltage reference.
- How is the AD9634BCPZRL7-170 programmed and controlled?
Programming and control are accomplished using a 3-wire, SPI-compatible serial interface.
