Overview
The AD9204BCPZ-65, produced by Analog Devices Inc., is a monolithic, dual-channel, 1.8 V supply, 10-bit analog-to-digital converter (ADC) with sampling rates of up to 65 MSPS. It features a high-performance sample-and-hold circuit and an on-chip voltage reference. The ADC utilizes a multistage differential pipeline architecture with output error correction logic to ensure 10-bit accuracy and no missing codes over the full operating temperature range.
Key Specifications
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| Input Clock Rate | MHz | 625 | 625 | 625 |
| Conversion Rate | MSPS | 65 | 65 | 65 |
| CLK Period—Divide-by-1 Mode (tCLK) | ns | 15.38 | 15.38 | 15.38 |
| CLK Pulse Width High (tCH) | ns | 7.69 | 7.69 | 7.69 |
| Aperture Delay (tA) | ns | 1.0 | 1.0 | 1.0 |
| Aperture Uncertainty (Jitter, tJ) | ps rms | 0.1 | 0.1 | 0.1 |
| Data Propagation Delay (tPD) | ns | 3 | 3 | 3 |
| DCO Propagation Delay (tDCO) | ns | 3 | 3 | 3 |
| DCO to Data Skew (tSKEW) | ns | 0.1 | 0.1 | 0.1 |
| Pipeline Delay (Latency) | Cycles | 9 | 9 | 9 |
| Wake-Up Time | µs | 350 | 350 | 350 |
| Standby Time | ns | 300 | 300 | 300 |
| Analog Supply Voltage (AVDD) | V | 1.8 | 1.8 | 1.8 |
| Digital Output Driver Supply (DRVDD) | V | 1.8 to 3.3 | 1.8 to 3.3 | 1.8 to 3.3 |
| Operating Temperature Range | °C | -40 | +85 | |
| Package Type | 64-Lead LFCSP |
Key Features
- High-Performance Sample-and-Hold Circuit: Maintains excellent performance for input frequencies up to 200 MHz, designed for low cost, low power, and ease of use.
- Programmable Clock and Data Alignment: Allows for flexible system design and minimizes system cost.
- Digital Test Pattern Generation: Includes built-in deterministic and pseudorandom patterns, as well as custom user-defined test patterns via the SPI interface.
- Duty Cycle Stabilizer (DCS): Compensates for wide variations in the clock duty cycle while maintaining excellent overall ADC performance.
- Flexible Digital Output Formats: Supports offset binary, gray code, or two's complement format. Both 1.8 V and 3.3 V CMOS levels are supported, and output data can be multiplexed onto a single output bus.
- Serial Port Interface (SPI): Supports various product features and functions, such as data output formatting, internal clock divider, power-down, DCO/DATA timing and offset adjustments, and voltage reference modes.
- RoHS Compliant Package: Packaged in a 64-lead LFCSP that is pin compatible with other ADCs from Analog Devices, enabling a simple migration path between different converter models.
Applications
The AD9204 is suitable for a variety of high-speed data acquisition applications, including:
- Medical Imaging: Such as MRI and CT scanners where high-speed and high-accuracy data conversion is critical.
- Wireless Infrastructure: Including base stations and other communication equipment requiring high-speed ADCs.
- Industrial and Scientific Instruments: Such as oscilloscopes, spectrum analyzers, and other measurement equipment.
- Aerospace and Defense: For applications requiring high-speed data conversion in harsh environments.
The AD9204-80EBZ evaluation board is available to support the development and testing of the AD9204, providing all necessary support circuitry and compatibility with the HSC-ADC-EVALCZ data capture card and Visual Analog software package.
Q & A
- What is the maximum sampling rate of the AD9204BCPZ-65?
The maximum sampling rate of the AD9204BCPZ-65 is 65 MSPS.
- What is the resolution of the AD9204BCPZ-65?
The AD9204BCPZ-65 is a 10-bit analog-to-digital converter.
- What type of package does the AD9204BCPZ-65 come in?
The AD9204BCPZ-65 is packaged in a 64-lead RoHS compliant LFCSP.
- What are the supported digital output formats for the AD9204BCPZ-65?
The AD9204BCPZ-65 supports offset binary, gray code, or two's complement format.
- Can the AD9204BCPZ-65 operate with different logic families?
Yes, the AD9204BCPZ-65 supports both 1.8 V and 3.3 V CMOS levels for its digital output driver supply.
- What is the purpose of the duty cycle stabilizer (DCS) in the AD9204BCPZ-65?
The duty cycle stabilizer (DCS) compensates for wide variations in the clock duty cycle while maintaining excellent overall ADC performance.
- How does the AD9204BCPZ-65 support test pattern generation?
The AD9204BCPZ-65 includes built-in deterministic and pseudorandom test patterns, as well as custom user-defined test patterns via the SPI interface.
- What is the operating temperature range of the AD9204BCPZ-65?
The operating temperature range of the AD9204BCPZ-65 is from -40°C to +85°C.
- Is the AD9204BCPZ-65 RoHS compliant?
Yes, the AD9204BCPZ-65 is RoHS compliant.
- What evaluation tools are available for the AD9204BCPZ-65?
The AD9204-80EBZ evaluation board and the Visual Analog software package are available to support the development and testing of the AD9204BCPZ-65.
