Overview
The AD9867BCPZ is a mixed-signal front-end (MxFE) integrated circuit designed by Analog Devices Inc. for transceiver applications. It is particularly suited for broadband modems, offering a comprehensive set of features that include both transmit and receive path functionalities. The device operates within a commercial temperature range of −40°C to +85°C and is packaged in a 64-lead LFCSP, making it a space-efficient solution. The AD9867BCPZ is known for its low cost, 3.3 V CMOS design, and its ability to support data rates up to 75 MSPS.
Key Specifications
| Parameter | Specification |
|---|---|
| Package Type | 64-lead LFCSP |
| Operating Temperature Range | −40°C to +85°C |
| Supply Voltage | 3.3 V |
| DAC Resolution and Update Rate | 10-bit, 250 MSPS |
| ADC Resolution and Sample Rate | 10-bit, 5 MSPS to 75 MSPS |
| Receive Path Gain Range | −12 dB to +48 dB (in 1 dB steps) |
| Transmit Path Signal Bandwidth | Up to 33.6 MHz |
| Interpolation Filter | 2×/4× low-pass interpolation filter |
| Low-Pass Filter Cutoff Frequency | 22 MHz to 38 MHz (or bypassed) |
| Power-Down/Reduction Modes | Various power-saving modes |
| Clock Multiplier and Synthesizer | Internal PLL clock multiplier and synthesizer |
Key Features
- Low cost, 3.3 V CMOS design for broadband modems
- 10-bit digital-to-analog converter (DAC) with 250 MSPS update rate
- 10-bit analog-to-digital converter (ADC) with 5 MSPS to 75 MSPS sample rate
- Low noise receive path programmable gain amplifier (RxPGA) with −12 dB to +48 dB gain range
- Programmable low-pass filter (LPF) with cutoff frequency adjustable between 22 MHz and 38 MHz
- Flexible digital datapath interface supporting half-duplex and full-duplex operations
- Internal clock multiplier (PLL) and synthesizer providing internal and external clock outputs
- Various power-down and power reduction modes for scalable power consumption
- Dual channel muxed input and 6 dB input overload attenuator
Applications
The AD9867BCPZ is primarily used in broadband modem applications, including power-line networking. Its high integration, flexible interface, and power-saving features make it well-suited for a variety of transceiver applications requiring both transmit and receive path functionalities.
Q & A
- What is the primary application of the AD9867BCPZ?
The AD9867BCPZ is primarily used in broadband modem applications, including power-line networking.
- What is the operating temperature range of the AD9867BCPZ?
The operating temperature range is −40°C to +85°C.
- What is the resolution and update rate of the DAC in the AD9867BCPZ?
The DAC has a 10-bit resolution with a 250 MSPS update rate.
- What is the gain range of the receive path programmable gain amplifier (RxPGA)?
The RxPGA has a gain range of −12 dB to +48 dB in 1 dB steps.
- Does the AD9867BCPZ support half-duplex and full-duplex operations?
- What is the cutoff frequency range of the low-pass filter (LPF)?
The LPF cutoff frequency can be set between 22 MHz and 38 MHz or simply bypassed.
- Does the AD9867BCPZ have power-saving features?
- What type of clock multiplier does the AD9867BCPZ use?
- How many auxiliary programmable clock outputs does the AD9867BCPZ provide?
- What is the package type of the AD9867BCPZ?
