Overview
The AD9246BCPZ-125 is a high-performance, 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This monolithic ADC operates on a single 1.8 V supply and features a multistage differential pipeline architecture with output error correction logic. It is designed to provide 14-bit accuracy at data rates of up to 125 MSPS and guarantees no missing codes over the full operating temperature range of −40°C to +85°C. The device includes a high-performance sample-and-hold amplifier (SHA) and an on-chip voltage reference, making it suitable for various applications requiring high-speed and high-accuracy data conversion.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14 bits | |
| Sampling Rate | 80 MSPS / 105 MSPS / 125 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 |
| Spurious-Free Dynamic Range (SFDR) | 85 dBc to 70 MHz input | dBc |
| Power Consumption | 395 mW @ 125 MSPS | mW |
| Input Bandwidth | 650 MHz | MHz |
| Input Range | 1 V p-p to 2 V p-p differential | V p-p |
| Package Type | 48-Lead LFCSP_VQ (7mm x 7mm) |
Key Features
- Single 1.8 V analog supply operation with separate digital output driver supply (1.8 V to 3.3 V)
- High-performance sample-and-hold amplifier (SHA) with 650 MHz bandwidth
- On-chip voltage reference
- Differential input with flexible analog input ranges (1 V p-p to 2 V p-p)
- Data output in offset binary, Gray code, or twos complement formats
- Data output clock and clock duty cycle stabilizer
- Serial port control for various product features and functions
- Built-in selectable digital test pattern generation
- Programmable clock and data alignment
- Pin-compatible with the AD9233 for easy migration from 12 bits to 14 bits
Applications
- Ultrasound equipment
- IF sampling in communications receivers (IS-95, CDMA-One, IMT-2000)
- Battery-powered instruments
- Hand-held scopemeters
- Low-cost digital oscilloscopes
- Imaging and medical applications
Q & A
- What is the resolution of the AD9246BCPZ-125 ADC?
The AD9246BCPZ-125 has a resolution of 14 bits.
- What are the sampling rates supported by the AD9246BCPZ-125?
The AD9246BCPZ-125 supports sampling rates of 80 MSPS, 105 MSPS, and 125 MSPS.
- What is the analog supply voltage for the AD9246BCPZ-125?
The analog supply voltage for the AD9246BCPZ-125 is 1.8 V.
- What are the supported digital output supply voltages for the AD9246BCPZ-125?
The digital output supply voltages supported are from 1.8 V to 3.3 V.
- What is the signal-to-noise ratio (SNR) of the AD9246BCPZ-125?
The SNR is 71.7 dBc (72.7 dBFS) to 70 MHz input.
- What is the spurious-free dynamic range (SFDR) of the AD9246BCPZ-125?
The SFDR is 85 dBc to 70 MHz input.
- What is the power consumption of the AD9246BCPZ-125 at 125 MSPS?
The power consumption at 125 MSPS is 395 mW.
- What is the input bandwidth of the AD9246BCPZ-125?
The input bandwidth is 650 MHz.
- What are the typical applications of the AD9246BCPZ-125?
Typical applications include ultrasound equipment, IF sampling in communications receivers, battery-powered instruments, hand-held scopemeters, and low-cost digital oscilloscopes.
- Is the AD9246BCPZ-125 pin-compatible with other ADC models?
Yes, the AD9246BCPZ-125 is pin-compatible with the AD9233, allowing for easy migration from 12 bits to 14 bits.
