Overview
The AD9640BCPZ-80 is a dual 14-bit, 80 MSPS analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to support communications applications where low cost, small size, and versatility are crucial. It features a multistage, differential pipelined architecture with integrated output error correction logic, making it suitable for a variety of high-performance applications.
Key Specifications
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| Resolution | Bits | 14 | 14 | 14 |
| Sample Rate | MSPS | 80 | 80 | 80 |
| SNR (to 70 MHz @ 80 MSPS) | dBc | 71.8 | 71.8 | - |
| SFDR (to 70 MHz @ 80 MSPS) | dBc | 85 | 85 | - |
| Power Consumption @ 80 MSPS | mW | - | 750 | - |
| Analog Supply Voltage | V | 1.8 | 1.8 | 1.8 |
| Digital Output Supply Voltage | V | 1.8 | 3.3 | 3.3 |
| Input Clock Rate | MHz | 625 | - | - |
| Operating Temperature Range | °C | -40 | - | 85 |
Key Features
- Proprietary differential input maintaining excellent SNR performance for input frequencies up to 450 MHz.
- Fast overrange detect and signal monitor with serial output.
- Signal monitor block with dedicated serial output mode.
- Operation from a single 1.8 V supply and a separate digital output driver supply to accommodate 1.8 V to 3.3 V logic families.
- A standard serial port interface supporting various product features and functions, such as data formatting (offset binary, twos complement, or gray coding), enabling the clock DCS, power-down, and voltage reference mode.
- Pin compatibility with the AD9627, AD9627-11, and the AD9600 for a simple migration from 14 bits to 12 bits, 11 bits, or 10 bits.
- Integrated ADC voltage reference and sample-and-hold inputs.
- Flexible analog input range: 1 V P-P to 2 V P-P.
Applications
- Communications systems.
- Diversity radio systems.
- Multimode digital receivers (GSM, EDGE, WCDMA, LTE, CDMA2000, WiMAX, TD-SCDMA).
Q & A
- What is the resolution of the AD9640BCPZ-80? The AD9640BCPZ-80 has a resolution of 14 bits.
- What are the sample rates supported by the AD9640BCPZ-80? The AD9640BCPZ-80 supports sample rates of 80, 105, 125, and 150 MSPS, but the specific model AD9640BCPZ-80 is rated at 80 MSPS.
- What is the SNR of the AD9640BCPZ-80 at 70 MHz and 80 MSPS? The SNR is 71.8 dBc at 70 MHz and 80 MSPS.
- What is the power consumption of the AD9640BCPZ-80 at 80 MSPS? The power consumption is approximately 750 mW at 80 MSPS.
- What is the operating temperature range of the AD9640BCPZ-80? The operating temperature range is from -40°C to +85°C.
- Does the AD9640BCPZ-80 support multiple output logic levels? Yes, it supports 1.8 V to 3.3 V CMOS or 1.8 V LVDS output supply.
- What are the key features of the AD9640BCPZ-80's input stage? It features proprietary differential inputs, integrated ADC voltage reference, and sample-and-hold inputs.
- How does the AD9640BCPZ-80 support automatic gain control (AGC) functions? It supports fast overrange detection and a signal monitor block with dedicated serial output mode.
- Is the AD9640BCPZ-80 pin-compatible with other ADC models? Yes, it is pin-compatible with the AD9627, AD9627-11, and the AD9600.
- What is the purpose of the duty cycle stabilizer in the AD9640BCPZ-80? The duty cycle stabilizer compensates for variations in the ADC clock duty cycle to maintain excellent performance.
