Overview
The AD6657ABBCZRL, produced by Analog Devices Inc., is an 11-bit, 200 MSPS (Mega Samples Per Second) quad-channel intermediate frequency (IF) receiver. This device is specifically designed to support multiple antenna systems in telecommunications applications, where high dynamic range performance, low power consumption, and compact size are crucial. The AD6657A features four high-performance analog-to-digital converters (ADCs) and integrated noise shaping requantizer (NSR) digital blocks, ensuring enhanced signal-to-noise ratio (SNR) performance within a limited portion of the Nyquist bandwidth.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 11 | Bits | ||
| Sampling Rate | 40 | 185 | 200 | MSPS |
| Analog Input Range | 1.4 | 1.75 | 2.0 | V p-p |
| Input Common-Mode Voltage | 0.9 | V | ||
| Input Resistance (Differential) | 20 | kΩ | ||
| Input Capacitance | 5 | pF | ||
| Supply Voltage (AVDD, DRVDD) | 1.7 | 1.8 | 1.9 | V |
| Supply Current (IAVDD, IDRVDD) | 510 | 548 | mA | |
| Power Consumption (Sine Wave Input) | 1195 | 1290 | mW | |
| Standby Power | 130 | mW | ||
| Power-Down Power | 4.5 | 18 | mW |
Key Features
- Quad-channel IF receiver with 11-bit resolution and up to 200 MSPS sampling rate.
- Integrated NSR digital blocks for enhanced SNR performance within a limited portion of the Nyquist bandwidth.
- Low power consumption: 1.2 W at 185 MSPS with 1.8 V analog supply and 1.8 V LVDS output.
- Internal ADC voltage reference and duty cycle stabilizer (DCS) for maintaining excellent performance.
- Differential analog inputs with 800 MHz bandwidth and 95 dB channel isolation/crosstalk.
- Standard serial port interface (SPI) for various product features and functions, including data formatting, NSR, power-down, and test modes.
- On-chip integer 1-to-8 input clock divider and multichip sync function.
- User-configurable built-in self-test (BIST) capability and energy-saving power-down modes.
Applications
- Communications: Diversity radio and smart antenna (MIMO) systems.
- Multimode digital receivers: 3G, WCDMA, LTE, CDMA2000, WiMAX, TD-SCDMA.
- I/Q demodulation systems.
- General-purpose software radios.
Q & A
- What is the resolution and sampling rate of the AD6657ABBCZRL?
The AD6657ABBCZRL has an 11-bit resolution and a sampling rate of up to 200 MSPS.
- What is the power consumption of the AD6657ABBCZRL at 185 MSPS?
The power consumption is approximately 1.2 W at 185 MSPS with 1.8 V analog supply and 1.8 V LVDS output.
- What are the key features of the integrated NSR digital blocks?
The integrated NSR digital blocks enhance SNR performance within a limited portion of the Nyquist bandwidth.
- What is the bandwidth of the differential analog inputs?
The differential analog inputs have a bandwidth of 800 MHz.
- What is the channel isolation/crosstalk of the AD6657ABBCZRL?
The channel isolation/crosstalk is 95 dB.
- What interface does the AD6657ABBCZRL use for configuration and control?
The device uses a standard serial port interface (SPI) for various product features and functions.
- What are the power-down modes available in the AD6657ABBCZRL?
The device features energy-saving power-down modes and a standby power mode.
- What are the typical applications of the AD6657ABBCZRL?
Typical applications include communications, diversity radio and smart antenna systems, multimode digital receivers, I/Q demodulation systems, and general-purpose software radios.
- What is the package type of the AD6657ABBCZRL?
The device is packaged in a 10 mm × 10 mm chip scale package ball grid array (CSP_BGA).
- What is the operating temperature range of the AD6657ABBCZRL?
The operating temperature range is from −40°C to +85°C.
