Overview
The AD9644BCPZRL7-80 is a high-performance, dual 14-bit analog-to-digital converter (ADC) produced by Analog Devices, Inc. This component is designed for applications requiring high speed, low power consumption, and compact size. The AD9644 features a multistage, differential pipelined architecture with integrated output error correction logic, making it suitable for a variety of high-speed data acquisition tasks. It operates from a single 1.8 V power supply and supports sampling rates of up to 80 MSPS. The device is packaged in a 48-lead LFCSP (7mm x 7mm x 0.85mm) and is specified over the industrial temperature range of -40°C to +85°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 14 | |
| Sampling Rate (Per Second) | 80M | MSPS |
| Number of Inputs | 2 | |
| Input Type | Differential | |
| Data Interface | JESD204A | |
| Configuration | S/H-ADC | |
| Ratio - S/H:ADC | 1:1 | |
| Number of A/D Converters | 2 | |
| Architecture | Pipelined | |
| Reference Type | Internal | |
| Voltage - Supply, Analog | 1.7 V ~ 1.9 V | V |
| Voltage - Supply, Digital | 1.7 V ~ 1.9 V | V |
| Operating Temperature | -40°C ~ 85°C | °C |
| Package / Case | 48-VFQFN Exposed Pad, CSP | |
| Supplier Device Package | 48-LFCSP-VQ (7x7) | |
| Power Consumption | 423 mW at 80 MSPS | mW |
| Signal-to-Noise Ratio (SNR) | 73.7 dBFS at 70 MHz and 80 MSPS | dBFS |
| Spurious-Free Dynamic Range (SFDR) | 92 dBc at 70 MHz and 80 MSPS | dBc |
Key Features
- High-Speed Serial Output Interface: The AD9644 features a JESD204A high-speed serial interface, reducing board routing requirements and lowering pin count for the receiving device.
- Simultaneous Sampling: The device supports simultaneous sampling of two analog inputs, making it ideal for applications requiring synchronized data acquisition.
- Low Power Consumption: Operating at 423 mW at 80 MSPS, the AD9644 is designed for power-efficient applications.
- Integrated Voltage Reference and Duty Cycle Stabilizer: These features ease design considerations and ensure excellent performance by compensating for variations in the ADC clock duty cycle.
- Flexible Power-Down Options: The device offers significant power savings through flexible power-down modes.
- Programmable via SPI Interface: A 3-wire SPI-compatible serial interface allows for setup and control of various product features and functions).
- High Performance at High Frequencies: The AD9644 maintains excellent SNR performance for input frequencies up to 250 MHz).
Applications
- Communications Systems: Suitable for diversity radio systems, multimode digital receivers (3G, 4G, GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, TD-SCDMA), and general-purpose software radios).
- I/Q Demodulation Systems: Ideal for I/Q demodulation and smart antenna systems).
- Broadband Data Applications: Used in various broadband data applications requiring high-speed data conversion).
- Ultrasound Equipment: Suitable for medical imaging applications such as ultrasound equipment).
Q & A
- What is the sampling rate of the AD9644BCPZRL7-80?
The AD9644BCPZRL7-80 has a sampling rate of up to 80 MSPS.
- How many bits does the AD9644BCPZRL7-80 ADC have?
The AD9644BCPZRL7-80 is a 14-bit ADC.
- What type of input does the AD9644BCPZRL7-80 support?
The device supports differential inputs.
- What is the data interface of the AD9644BCPZRL7-80?
The data interface is JESD204A.
- What is the operating temperature range of the AD9644BCPZRL7-80?
The operating temperature range is -40°C to +85°C.
- What is the power consumption of the AD9644BCPZRL7-80 at 80 MSPS?
The power consumption is 423 mW at 80 MSPS.
- Does the AD9644BCPZRL7-80 support simultaneous sampling?
Yes, it supports simultaneous sampling of two analog inputs.
- What is the package type of the AD9644BCPZRL7-80?
The device is packaged in a 48-lead LFCSP (7mm x 7mm x 0.85mm).
- What are some common applications of the AD9644BCPZRL7-80?
Common applications include communications systems, I/Q demodulation systems, broadband data applications, and ultrasound equipment.
- How is the AD9644BCPZRL7-80 programmed?
Programming is accomplished using a 3-wire SPI-compatible serial interface.
