Overview
The AD6644AST-65 is a high-speed, 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This monolithic ADC integrates all necessary functions, including track-and-hold (TH) and reference, to provide a complete conversion solution. It is designed for high-performance applications requiring precise and rapid analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 65 MSPS |
| Input Type | Differential |
| Package / Case | 52-LQFP (10x10 mm) |
| Operating Temperature | -25°C to 85°C |
| Voltage - Supply, Digital | 3 V ~ 3.6 V |
| Voltage - Supply, Analog | 5 V |
| Data Interface | Parallel |
| Reference Type | Internal |
| Architecture | Pipelined |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
Key Features
- High-speed 14-bit analog-to-digital conversion with a sampling rate of 65 MSPS.
- Fully differential analog input stage for improved signal integrity.
- CMOS-compatible digital outputs, allowing easy interface to digital ASICs.
- Internal reference and track-and-hold circuitry for a complete conversion solution.
- Pipelined architecture for high-speed data acquisition.
- Low noise performance and high accuracy with no missing codes.
- Compact 52-lead plastic low profile quad flat package (LQFP) for surface mount applications.
Applications
- Multichannel, multimode receivers (e.g., AMPS, IS-136, CDMA, GSM, WCDMA).
- Single channel digital receivers.
- Antenna array processing.
- Communications instrumentation.
- Radar and infrared imaging.
Q & A
- What is the resolution of the AD6644AST-65?
The AD6644AST-65 has a resolution of 14 bits. - What is the maximum sampling rate of the AD6644AST-65?
The maximum sampling rate is 65 MSPS. - What type of input does the AD6644AST-65 support?
The AD6644AST-65 supports differential analog inputs. - What is the package type of the AD6644AST-65?
The package type is 52-LQFP (10x10 mm). - What is the operating temperature range of the AD6644AST-65?
The operating temperature range is -25°C to 85°C. - What is the supply voltage for the digital and analog sections?
The digital supply voltage is 3 V ~ 3.6 V, and the analog supply voltage is 5 V. - What type of data interface does the AD6644AST-65 use?
The AD6644AST-65 uses a parallel data interface. - What is the architecture of the AD6644AST-65?
The architecture is pipelined. - Is the AD6644AST-65 RoHS compliant?
Yes, the AD6644AST-65 is lead-free and RoHS compliant. - What are some common applications of the AD6644AST-65?
Common applications include multichannel receivers, single channel digital receivers, antenna array processing, communications instrumentation, and radar and infrared imaging.
