Overview
The AD9246BCPZRL7-80, produced by Analog Devices Inc., is a high-performance, monolithic, 14-bit analog-to-digital converter (ADC) designed for a wide range of applications. It operates from a single 1.8 V power supply and features a separate digital output driver supply that can accommodate 1.8 V to 3.3 V logic families. This ADC is known for its high-speed conversion rates of up to 125 MSPS and its excellent signal-to-noise ratio (SNR) and spurious-free dynamic range (SFDR).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14 bits | |
| Conversion Rate | 80 MSPS | MSPS |
| Analog Supply Voltage | 1.8 V | V |
| Digital Output Supply Voltage | 1.8 V to 3.3 V | V |
| Signal-to-Noise Ratio (SNR) | 71.7 dBc (72.7 dBFS) to 70 MHz input | dBc (dBFS) |
| Spurious-Free Dynamic Range (SFDR) | 85 dBc to 70 MHz input | dBc |
| Power Consumption | 395 mW @ 125 MSPS | mW |
| Input Bandwidth | 650 MHz | MHz |
| Package Type | 48-lead LFCSP_VQ | |
| Operating Temperature Range | −40°C to +85°C | °C |
Key Features
- High performance sample-and-hold amplifier (SHA) with a bandwidth of up to 225 MHz.
- On-chip voltage reference and sample-and-hold amplifier.
- Differential input with 650 MHz bandwidth.
- Flexible analog input range: 1 V p-p to 2 V p-p.
- Data output in offset binary, Gray code, or twos complement formats.
- Clock duty cycle stabilizer (DCS) to maintain ADC performance over a wide range of clock pulse widths.
- Serial port control for various product features and functions.
- Built-in selectable digital test pattern generation.
- Programmable clock and data alignment.
Applications
- Ultrasound equipment.
- IF sampling in communications receivers (e.g., IS-95, CDMA-One, IMT-2000).
- Battery-powered instruments.
- Hand-held scopemeters.
- Low-cost digital oscilloscopes.
Q & A
- What is the resolution of the AD9246BCPZRL7-80 ADC?
The AD9246BCPZRL7-80 has a resolution of 14 bits.
- What are the conversion rates supported by the AD9246BCPZRL7-80?
The AD9246BCPZRL7-80 supports conversion rates of up to 125 MSPS, with this specific model operating at 80 MSPS.
- What is the analog supply voltage for the AD9246BCPZRL7-80?
The analog supply voltage for the AD9246BCPZRL7-80 is 1.8 V.
- What is the input bandwidth of the AD9246BCPZRL7-80?
The input bandwidth of the AD9246BCPZRL7-80 is 650 MHz.
- What are the supported data output formats for the AD9246BCPZRL7-80?
The AD9246BCPZRL7-80 supports data output in offset binary, Gray code, or twos complement formats.
- Does the AD9246BCPZRL7-80 have on-chip voltage reference and sample-and-hold amplifier?
Yes, the AD9246BCPZRL7-80 features an on-chip voltage reference and sample-and-hold amplifier.
- What is the operating temperature range for the AD9246BCPZRL7-80?
The operating temperature range for the AD9246BCPZRL7-80 is −40°C to +85°C.
- Is the AD9246BCPZRL7-80 pin-compatible with other ADC models?
Yes, the AD9246BCPZRL7-80 is pin-compatible with the AD9233, allowing a simple migration from 12 bits to 14 bits.
- What are some typical applications for the AD9246BCPZRL7-80?
Typical applications include ultrasound equipment, IF sampling in communications receivers, battery-powered instruments, hand-held scopemeters, and low-cost digital oscilloscopes.
- Does the AD9246BCPZRL7-80 have a clock duty cycle stabilizer?
Yes, the AD9246BCPZRL7-80 features a clock duty cycle stabilizer (DCS) to maintain ADC performance over a wide range of clock pulse widths.
