Overview
The AD9248BCPZ-20, produced by Analog Devices Inc., is a dual, 3 V, 14-bit analog-to-digital converter (ADC) designed for high-performance applications. This ADC features dual high-performance sample-and-hold amplifiers (SHAs) and an integrated voltage reference. It uses a multistage differential pipelined architecture with output error correction logic to ensure 14-bit accuracy and guarantee no missing codes over the full operating temperature range. The device is available in a 64-lead LFCSP package and is specified over the industrial temperature range of -40°C to +85°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14-bit | |
| Sample Rate | 20 MSPS | |
| Supply Voltage | 2.7 V to 3.6 V | V |
| Power Consumption | 180 mW | mW |
| Signal-to-Noise Ratio (SNR) | 71.6 dBc (to Nyquist) | dBc |
| Spurious-Free Dynamic Range (SFDR) | 80 dBc (to Nyquist) | dBc |
| Input Bandwidth | 500 MHz (3 dB bandwidth) | MHz |
| Crosstalk Immunity | > 85 dB | dB |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 64-Lead LFCSP (9mm x 9mm w/ EP) |
Key Features
- Integrated Dual 14-Bit Analog-to-Digital Converters
- Single 3 V Supply Operation (2.7 V to 3.6 V)
- Differential Input with 500 MHz 3 dB Bandwidth
- Exceptional Cross Talk Immunity > 85 dB
- On-Chip Reference and SHA
- Flexible Analog Input: 1 Vp-p to 2 Vp-p Range
- Offset Binary or Twos Complement Data Format
- Clock Duty Cycle Stabilizer
- Output Datamux Option
Applications
- Ultrasound equipment
- Direct conversion or IF sampling receivers (WB-CDMA, CDMA2000, WiMAX)
- Battery-powered instruments
- Hand-held scopemeters
- Low cost digital oscilloscopes
Q & A
- What is the resolution of the AD9248BCPZ-20?
The AD9248BCPZ-20 has a resolution of 14 bits.
- What are the sample rate options for the AD9248BCPZ-20?
The AD9248BCPZ-20 operates at a sample rate of 20 MSPS.
- What is the supply voltage range for the AD9248BCPZ-20?
The supply voltage range is from 2.7 V to 3.6 V.
- How much power does the AD9248BCPZ-20 consume?
The power consumption is approximately 180 mW at 20 MSPS.
- What is the signal-to-noise ratio (SNR) of the AD9248BCPZ-20?
The SNR is 71.6 dBc to Nyquist.
- What is the spurious-free dynamic range (SFDR) of the AD9248BCPZ-20?
The SFDR is 80 dBc to Nyquist.
- What is the input bandwidth of the AD9248BCPZ-20?
The input bandwidth is 500 MHz (3 dB bandwidth).
- What is the operating temperature range of the AD9248BCPZ-20?
The operating temperature range is from -40°C to +85°C.
- In what package is the AD9248BCPZ-20 available?
The AD9248BCPZ-20 is available in a 64-Lead LFCSP (9mm x 9mm w/ EP) package.
- What are some typical applications of the AD9248BCPZ-20?
Typical applications include ultrasound equipment, direct conversion or IF sampling receivers, battery-powered instruments, hand-held scopemeters, and low cost digital oscilloscopes.
