Overview
The AD4680BCPZ-RL7 is a high-performance, dual-channel, 16-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed to offer high accuracy and low power consumption, making it suitable for a variety of applications requiring precise analog-to-digital conversion.
The AD4680 features on-chip oversampling blocks to enhance performance, and it includes rolling average oversampling mode and power-down options to save power between conversions. The device is configured via a standard serial interface and operates with two independent supplies for the analog circuitry and digital interface.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Number of Channels | 2 |
| Conversion Rate | Up to 1 MSPS |
| Signal-to-Noise-and-Distortion (SINAD) Ratio | 90 dB to 92.5 dB (VREF = 3.3 V external) |
| Analog Input Voltage Range | −VREF to +VREF |
| Common-Mode Input Range | 0.2 to VREF − 0.2 V |
| Analog Input Common-Mode Rejection Ratio (CMRR) | −75 dB (fIN = 500 kHz) |
| Input Bandwidth | 6 MHz at −0.1 dB, 25 MHz at −3 dB |
| Aperture Delay | 2 ns |
| Aperture Jitter | 20 ps |
| Operating Temperature Range | −40°C to +125°C |
| Package Type | 16-Lead LFCSP (3mm x 3mm x 0.75mm) |
Key Features
- High-resolution 16-bit SAR ADC with dual channels for simultaneous sampling.
- On-chip oversampling blocks to improve performance.
- Rolling average oversampling mode and power-down options for power saving.
- Internal reference voltage (2.5 V) with the option to use an external reference (2.5 V to 3.3 V).
- Low power consumption with independent analog and digital supply voltages (VCC and VLOGIC).
- High input bandwidth and low aperture delay and jitter.
- Standard serial interface for configuration.
- Internal LDO regulator providing a 1.9 V supply for internal use.
Applications
- Industrial automation and control systems.
- Medical devices requiring high accuracy and low power consumption.
- Aerospace and defense applications where precision and reliability are critical.
- Automotive systems, including advanced driver-assistance systems (ADAS).
- Test and measurement equipment.
- High-performance data acquisition systems.
Q & A
- What is the resolution of the AD4680BCPZ-RL7 ADC?
The AD4680BCPZ-RL7 has a resolution of 16 bits.
- How many channels does the AD4680BCPZ-RL7 support?
The AD4680BCPZ-RL7 supports two channels for simultaneous sampling.
- What is the maximum conversion rate of the AD4680BCPZ-RL7?
The maximum conversion rate of the AD4680BCPZ-RL7 is up to 1 MSPS.
- What is the signal-to-noise-and-distortion (SINAD) ratio of the AD4680BCPZ-RL7?
The SINAD ratio of the AD4680BCPZ-RL7 is between 90 dB to 92.5 dB with an external 3.3 V reference voltage.
- What is the operating temperature range of the AD4680BCPZ-RL7?
The operating temperature range of the AD4680BCPZ-RL7 is −40°C to +125°C.
- What package type does the AD4680BCPZ-RL7 come in?
The AD4680BCPZ-RL7 comes in a 16-Lead LFCSP (3mm x 3mm x 0.75mm) package.
- Does the AD4680BCPZ-RL7 have an internal reference voltage?
Yes, the AD4680BCPZ-RL7 has an internal reference voltage of 2.5 V, but it also supports an external reference voltage ranging from 2.5 V to 3.3 V.
- How does the AD4680BCPZ-RL7 manage power consumption?
The AD4680BCPZ-RL7 manages power consumption through power-down options and rolling average oversampling mode.
- What is the input bandwidth of the AD4680BCPZ-RL7?
The input bandwidth of the AD4680BCPZ-RL7 is 6 MHz at −0.1 dB and 25 MHz at −3 dB.
- Does the AD4680BCPZ-RL7 have any internal voltage regulation?
Yes, the AD4680BCPZ-RL7 has an internal LDO regulator that provides a 1.9 V supply for internal use.
