Overview
The AD9643BCPZRL7-170 is a high-performance, 14-bit, dual analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for applications requiring high-speed and high-resolution data conversion. It operates from a single 1.8 V supply and features a flexible output configuration using LVDS (Low-Voltage Differential Signaling) outputs. The AD9643 is housed in a 64-lead LFCSP (Lead Frame Chip Scale Package) and is specified over the industrial temperature range of -40°C to +85°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14 | Bits |
| Sampling Rate | 170 | MSPS |
| Analog Supply Voltage | 1.7 V to 1.9 V | V |
| Digital Supply Voltage | 1.7 V to 1.9 V | V |
| Number of Analog Input Channels | 2 | - |
| Input Range | 1.75 V p-p full-scale | V |
| Offset Error | ±10 mV | mV |
| Gain Error | +2/-6 %FSR | % |
| Differential Nonlinearity (DNL) | ±0.75 LSB | LSB |
| Input Capacitance | 4 pF | pF |
| Input Resistance | 8-12 kΩ | kΩ |
| Total Power Consumption | 785 mW at 250 MSPS | mW |
| Output Format | LVDS (ANSI-644 levels) | - |
| Package Type | 64-Lead LFCSP (9mm x 9mm w/ EP) | - |
Key Features
- High-resolution 14-bit ADC with sampling rates up to 170 MSPS.
- Dual ADC channels with differential pipelined architecture and integrated output error correction logic.
- Wide bandwidth inputs supporting various user-selectable input ranges.
- Integrated voltage reference and duty cycle stabilizer to maintain excellent performance.
- LVDS output format with options for interleaved or channel multiplexed data.
- Flexible power-down options for significant power savings.
- Programming via a 3-wire SPI-compatible serial interface.
- Operation from a single 1.8 V supply with a separate digital output driver supply.
- High SNR (Signal-to-Noise Ratio) of 70.6 dBFS at 185 MHz AIN and 250 MSPS.
- Low input noise of −151.6 dBFS/Hz at 185 MHz, −1 dBFS AIN, and 250 MSPS.
Applications
- High-speed data acquisition systems.
- Medical imaging and diagnostic equipment.
- Radar and communication systems.
- Industrial and scientific instrumentation.
- Test and measurement equipment.
Q & A
- What is the resolution of the AD9643BCPZRL7-170 ADC?
The AD9643BCPZRL7-170 has a resolution of 14 bits.
- What are the sampling rates available for the AD9643BCPZRL7-170?
The AD9643BCPZRL7-170 can sample at rates up to 170 MSPS.
- What is the supply voltage range for the AD9643BCPZRL7-170?
The supply voltage range is 1.7 V to 1.9 V for both analog and digital supplies.
- How many analog input channels does the AD9643BCPZRL7-170 have?
The AD9643BCPZRL7-170 has 2 analog input channels.
- What is the output format of the AD9643BCPZRL7-170?
The output format is LVDS (Low-Voltage Differential Signaling).
- What is the package type of the AD9643BCPZRL7-170?
The package type is a 64-Lead LFCSP (Lead Frame Chip Scale Package) with an exposed pad.
- What are the key features of the AD9643BCPZRL7-170's architecture?
The AD9643BCPZRL7-170 features a differential pipelined architecture with integrated output error correction logic and an integrated voltage reference.
- How is the AD9643BCPZRL7-170 programmed?
Programming is accomplished using a 3-wire SPI-compatible serial interface.
- What are some typical applications of the AD9643BCPZRL7-170?
Typical applications include high-speed data acquisition systems, medical imaging, radar and communication systems, industrial and scientific instrumentation, and test and measurement equipment.
- What is the total power consumption of the AD9643BCPZRL7-170 at its maximum sampling rate?
The total power consumption is approximately 785 mW at 250 MSPS.
