Overview
The AD6655ABCPZ-105, produced by Analog Devices Inc., is a mixed-signal intermediate frequency (IF) receiver designed for communications applications where low cost, small size, and versatility are essential. This device features dual 14-bit analog-to-digital converters (ADCs) with sample rates of 105 MSPS, along with a wideband digital downconverter (DDC). The ADCs have a multistage, differential pipelined architecture with integrated output error correction logic, ensuring high accuracy and performance. The integrated voltage reference and duty cycle stabilizer further enhance the device's reliability and stability.
Key Specifications
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| Resolution | Bits | 14 | 14 | 14 |
| Sample Rate | MSPS | 105 | 105 | 105 |
| Offset Error | % FSR | ±0.2 | ±0.6 | ±0.6 |
| Gain Error | % FSR | −3.6 | −1.8 | −0.1 |
| Internal Voltage Reference Output Voltage Error (1 V Mode) | mV | ±5 | ±18 | ±18 |
| Supply Voltage | V | 1.8 | 1.8 | 1.8 |
| Operating Temperature | °C | −40 | +85 | |
| Package Type | 64-Lead Lead Frame Chip Scale Package (LFCSP) | |||
| Number of Pins | 64 | |||
| Peak Reflow Temperature | °C | 225 |
Key Features
- Dual 14-bit ADCs with sample rates of 105 MSPS, ensuring high-speed data conversion.
- Wideband digital downconverter (DDC) with multiple signal processing stages, including a 32-bit frequency translator, half-band decimating filter, fixed FIR filter, and an fADC/8 fixed-frequency NCO.
- Integrated voltage reference and duty cycle stabilizer for enhanced stability and performance.
- Fast detect feature for quick overrange detection and programmable threshold detector for monitoring incoming signal power.
- Signal monitor block to optimize system gain and dynamic range.
- Compact 64-Lead Lead Frame Chip Scale Package (LFCSP) for reduced size and improved layout.
- Low power consumption with a maximum supply current of 0.575 mA.
Applications
- Communications systems requiring high-speed data conversion and digital signal processing.
- Radar systems and other military applications where low latency and high accuracy are crucial.
- Wireless infrastructure, including base stations and repeaters.
- Aerospace and defense systems needing advanced IF receivers.
- Test and measurement equipment requiring high-performance ADCs and DDCs.
Q & A
- What is the resolution of the ADCs in the AD6655ABCPZ-105?
The ADCs in the AD6655ABCPZ-105 have a resolution of 14 bits.
- What are the sample rates available for the AD6655ABCPZ-105?
The AD6655ABCPZ-105 supports sample rates of 105 MSPS.
- What type of package does the AD6655ABCPZ-105 use?
The AD6655ABCPZ-105 is packaged in a 64-Lead Lead Frame Chip Scale Package (LFCSP).
- What is the operating temperature range of the AD6655ABCPZ-105?
The operating temperature range is from −40°C to +85°C.
- Does the AD6655ABCPZ-105 have integrated voltage reference and duty cycle stabilizer?
Yes, the AD6655ABCPZ-105 includes an integrated voltage reference and duty cycle stabilizer.
- What are the key features of the digital downconverter (DDC) in the AD6655ABCPZ-105?
The DDC includes a 32-bit frequency translator, half-band decimating filter, fixed FIR filter, and an fADC/8 fixed-frequency NCO.
- How does the fast detect feature work in the AD6655ABCPZ-105?
The fast detect feature allows for quick overrange detection by outputting four bits of input level information with short latency.
- What is the purpose of the signal monitor block in the AD6655ABCPZ-105?
The signal monitor block helps in monitoring the composite magnitude of the incoming signal to optimize system gain and dynamic range.
- What is the maximum supply current of the AD6655ABCPZ-105?
The maximum supply current is 0.575 mA.
- What are some common applications of the AD6655ABCPZ-105?
Common applications include communications systems, radar systems, wireless infrastructure, aerospace and defense systems, and test and measurement equipment.
