Overview
The AD9246BCPZ-80 is a high-performance, 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component features a sample-and-hold amplifier (SHA) and an on-chip voltage reference, utilizing a multistage differential pipeline architecture to achieve 14-bit accuracy at high data rates. It operates from a single 1.8 V power supply and includes a separate digital output driver supply compatible with 1.8 V to 3.3 V logic families. The AD9246BCPZ-80 is designed for applications requiring high-speed and high-accuracy data conversion, such as communications, imaging, and medical ultrasound.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 14 | - | - | bits |
| Conversion Rate (DCS Enabled) | 20 | 80 | - | MSPS |
| Conversion Rate (DCS Disabled) | 10 | 80 | - | MSPS |
| CLK Period | 12.5 | - | 9.5 | ns |
| Power Supply Voltage | 1.79 | - | - | V |
| Operating Temperature Range | -40 | - | 85 | °C |
| Package Type | - | - | - | 48-Lead LFCSP_VQ |
| Differential Input Voltage Range | - | - | 2 | V p-p |
| Internal Reference Voltage | - | - | 1.0 | V |
Key Features
- High-Performance SHA: The patented SHA input maintains excellent performance for input frequencies up to 225 MHz.
- Flexible Input Ranges: Supports various user-selectable input ranges and offsets, including single-ended applications.
- Clock Data Control System (DCS): Ensures overall ADC performance over a wide range of clock pulse widths.
- Serial Port Interface: Supports data formatting (offset binary, twos complement, or Gray coding), enabling the clock DCS, power-down, and voltage reference mode.
- Pin Compatibility: Pin-compatible with the AD9233, allowing a simple migration from 12 bits to 14 bits.
- Low Power Consumption: Operates from a single 1.8 V power supply with a separate digital output driver supply.
Applications
The AD9246BCPZ-80 is suitable for a variety of high-speed and high-accuracy applications, including:
- Communications: High-speed data conversion in communication systems.
- Imaging: Medical and industrial imaging applications requiring high-resolution data conversion.
- Medical Ultrasound: High-frequency data conversion in medical ultrasound equipment.
- Multiplexed Systems: Systems that switch full-scale voltage levels in successive channels.
Q & A
- What is the resolution of the AD9246BCPZ-80?
The AD9246BCPZ-80 has a resolution of 14 bits. - What are the conversion rates of the AD9246BCPZ-80?
The conversion rates are 20 to 80 MSPS with DCS enabled and 10 to 80 MSPS with DCS disabled. - What is the operating temperature range of the AD9246BCPZ-80?
The operating temperature range is from -40°C to +85°C. - What type of package does the AD9246BCPZ-80 come in?
The AD9246BCPZ-80 comes in a 48-Lead LFCSP_VQ package. - What is the power supply voltage for the AD9246BCPZ-80?
The power supply voltage is 1.8 V with a separate digital output driver supply compatible with 1.8 V to 3.3 V logic families. - What is the maximum differential input voltage range for the AD9246BCPZ-80?
The maximum differential input voltage range is 2 V p-p. - Is the AD9246BCPZ-80 pin-compatible with other ADCs?
Yes, it is pin-compatible with the AD9233, allowing a simple migration from 12 bits to 14 bits. - What types of clock inputs does the AD9246BCPZ-80 support?
The AD9246BCPZ-80 supports CMOS, LVDS, and LVPECL clock inputs. - What is the purpose of the Clock Data Control System (DCS) in the AD9246BCPZ-80?
The DCS ensures overall ADC performance over a wide range of clock pulse widths. - What are some common applications for the AD9246BCPZ-80?
Common applications include communications, imaging, medical ultrasound, and multiplexed systems.
