Overview
The AD7952BCPZRL is a 14-bit, charge redistribution, successive approximation register (SAR) architecture analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is fabricated on Analog Devices' iCMOS high voltage process, offering high performance and flexibility. The AD7952 features a high-speed sampling ADC, an internal conversion clock, an internal reference, and error correction circuits. It supports both serial and parallel system interface ports, making it versatile for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14-bit | |
| Sampling Modes | Warp mode: 1 MSPS, Normal mode: 800 kSPS, Impulse mode: 670 kSPS | |
| Integral Nonlinearity (INL) | ±0.3 LSB typical, ±1 LSB maximum | |
| Signal-to-Noise Ratio (SNR) | 85 dB @ 2 kHz | dB |
| Internal Reference Voltage | 5.000 V typical | V |
| Temperature Drift of Internal Reference | ±3 ppm/°C | ppm/°C |
| Power Dissipation | 235 mW @ 1 MSPS, 10 mW @ 1 kSPS | mW |
| Operating Temperature Range | −40°C to +85°C | °C |
| Package Type | 48-lead LQFP and 48-lead LFCSP (7 mm × 7 mm) |
Key Features
- No pipeline delay due to SAR architecture
- Four different analog input ranges
- Configurable through hardware or software using a dedicated write-only serial configuration port
- Supports parallel (14- or 8-bit bus) and serial interfaces (SPI-/QSPI-/MICROWIRE-/DSP-compatible)
- Internal conversion clock and internal reference with buffer
- Error correction circuits
- Low aperture delay and jitter (2 ns and 5 ps rms respectively)
Applications
- Process controls
- Medical instruments
- High-speed data acquisition
- Digital signal processing
- Instrumentation
- Spectrum analysis
- Automated Test Equipment (ATE)
Q & A
- What is the resolution of the AD7952 ADC?
The AD7952 has a 14-bit resolution. - What are the different sampling modes available on the AD7952?
The AD7952 supports warp mode (1 MSPS), normal mode (800 kSPS), and impulse mode (670 kSPS). - What is the typical signal-to-noise ratio (SNR) of the AD7952?
The typical SNR is 85 dB at 2 kHz. - How is the AD7952 configured?
The AD7952 can be configured through hardware or software using a dedicated write-only serial configuration port. - What are the supported interface types for the AD7952?
The AD7952 supports both parallel (14- or 8-bit bus) and serial interfaces (SPI-/QSPI-/MICROWIRE-/DSP-compatible). - What is the operating temperature range of the AD7952?
The operating temperature range is −40°C to +85°C. - What are the typical power dissipation values for the AD7952?
The typical power dissipation is 235 mW at 1 MSPS and 10 mW at 1 kSPS. - What are the package types available for the AD7952?
The AD7952 is available in 48-lead LQFP and 48-lead LFCSP (7 mm × 7 mm) packages. - What are some of the key applications of the AD7952?
The AD7952 is used in process controls, medical instruments, high-speed data acquisition, digital signal processing, instrumentation, spectrum analysis, and automated test equipment (ATE). - Does the AD7952 have any pipeline delay?
No, the AD7952 does not have any pipeline delay due to its SAR architecture.
