Overview
The AD9648BCPZ-105 is a high-performance, dual-channel, 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This monolithic ADC operates from a single 1.8 V analog power supply and features a separate digital output driver supply to accommodate 1.8 V CMOS or LVDS logic families. It is designed for low power consumption and ease of use, making it suitable for a variety of applications in communications, diversity radio systems, and multimode digital receivers.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 14 bits | |||
| Sample Rate | 105 MSPS | |||
| Analog Supply Voltage (AVDD) | 1.8 V | |||
| Digital Output Driver Supply (DRVDD) | 1.8 V | |||
| Signal-to-Noise Ratio (SNR) at 70 MHz | 74.5 | 74.5 | dBFS | |
| Spurious-Free Dynamic Range (SFDR) at 70 MHz | 91 | 91 | dBc | |
| Power Consumption at 105 MSPS | 211.5 | 220.5 | 260 | mW |
| Operating Temperature Range | -40°C | +85°C | ||
| Package Type | 64-Lead RoHS compliant LFCSP | |||
Key Features
- High performance sample-and-hold circuit with 650 MHz bandwidth and IF sampling frequencies up to 200 MHz.
- Programmable clock and data alignment, and programmable digital test pattern generation including built-in deterministic and pseudorandom patterns, as well as custom user-defined test patterns via SPI.
- Differential clock input with optional duty cycle stabilizer (DCS) to compensate for wide variations in the clock duty cycle.
- Digital output data presented in offset binary, Gray code, or twos complement format.
- Data output clock (DCO) provided for each ADC channel to ensure proper latch timing with receiving logic.
- Output logic levels of 1.8 V CMOS or LVDS supported, with the option to multiplex output data onto a single output bus.
- Full featured evaluation board (AD9648-125EBZ) available for setup and control, including SPI interface, external oscillator, and VisualAnalog software compatibility.
Applications
- Communications systems, including GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, and TD-SCDMA.
- Diversity radio systems and multimode digital receivers.
- Aerospace and defense applications, with the AD9648-EP model supporting AQEC standard.
Q & A
- What is the resolution and sample rate of the AD9648BCPZ-105?
The AD9648BCPZ-105 is a 14-bit ADC with a sample rate of 105 MSPS.
- What is the operating voltage of the AD9648BCPZ-105?
The AD9648BCPZ-105 operates from a single 1.8 V analog power supply and a separate 1.8 V digital output driver supply.
- What are the key features of the AD9648BCPZ-105's digital output?
The digital output data is presented in offset binary, Gray code, or twos complement format, with support for 1.8 V CMOS or LVDS logic levels and the option to multiplex output data onto a single output bus.
- What is the significance of the duty cycle stabilizer (DCS) in the AD9648BCPZ-105?
The DCS compensates for wide variations in the clock duty cycle, maintaining excellent overall ADC performance.
- What are the typical applications of the AD9648BCPZ-105?
The AD9648BCPZ-105 is used in communications systems, diversity radio systems, multimode digital receivers, and aerospace and defense applications.
- What is the package type of the AD9648BCPZ-105?
The AD9648BCPZ-105 is packaged in a 64-lead RoHS compliant LFCSP.
- Is there an evaluation board available for the AD9648BCPZ-105?
Yes, the AD9648-125EBZ is a full-featured evaluation board available for the AD9648, which includes support for various setup and control options.
- What software tools are compatible with the AD9648BCPZ-105?
The AD9648BCPZ-105 is compatible with VisualAnalog and SPI controller software interfaces.
- What is the operating temperature range of the AD9648BCPZ-105?
The AD9648BCPZ-105 operates over the industrial temperature range of -40°C to +85°C.
- Does the AD9648BCPZ-105 support military and aerospace applications?
Yes, the AD9648-EP model supports defense and aerospace applications and meets the AQEC standard.
