Overview
The AD7686BCPZRL7 is a 16-bit, charge redistribution, successive approximation, analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single 5 V power supply and features a low power, high speed, 16-bit sampling ADC with no missing codes. It includes an internal conversion clock and a versatile serial interface port compatible with SPI, QSPI, MICROWIRE, and DSP interfaces. The ADC also incorporates a low noise, wide bandwidth, short aperture delay track-and-hold circuit, making it suitable for a variety of high-performance applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16-bit | |
| Throughput | Up to 500 kSPS | |
| Integral Nonlinearity (INL) | ±0.6 LSB (typ), ±2 LSB (max) | |
| Signal-to-Noise and Distortion Ratio (SINAD) | 92.5 dB at 20 kHz | |
| Total Harmonic Distortion (THD) | −110 dB at 20 kHz | |
| Analog Input Range | 0 V to VREF (up to VDD) | |
| Power Supply | Single 5 V | |
| Logic Interface Voltage | 1.8 V, 2.5 V, 3 V, or 5 V | |
| Package Type | 10-Lead LFCSP (3mm x 3mm) | |
| Operating Temperature Range | −40°C to +85°C | |
| Power Dissipation | 3.75 µW at 5 V/100 SPS, 3.75 mW at 5 V/100 kSPS | |
| Standby Current | 1 nA |
Key Features
- 16-bit resolution with no missing codes
- High speed throughput up to 500 kSPS
- Low power consumption, scaling linearly with throughput
- Low noise, wide bandwidth, short aperture delay track-and-hold circuit
- Pseudo differential analog input range from 0 V to VREF (up to VDD)
- No pipeline delay
- SPI-compatible serial interface with daisy-chain capability and optional busy indicator
- Compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic using separate supply VIO
- Low standby current of 1 nA
Applications
The AD7686BCPZRL7 is suitable for various high-performance applications, including:
- Industrial process control and automation
- Medical devices requiring high accuracy and low noise
- Aerospace and defense systems
- High-speed data acquisition systems
- Test and measurement equipment
Q & A
- What is the resolution of the AD7686BCPZRL7 ADC?
The AD7686BCPZRL7 has a 16-bit resolution.
- What is the maximum throughput of the AD7686BCPZRL7?
The maximum throughput is up to 500 kSPS.
- What is the typical integral nonlinearity (INL) of the AD7686BCPZRL7?
The typical INL is ±0.6 LSB.
- What is the signal-to-noise and distortion ratio (SINAD) of the AD7686BCPZRL7 at 20 kHz?
The SINAD at 20 kHz is 92.5 dB.
- What is the total harmonic distortion (THD) of the AD7686BCPZRL7 at 20 kHz?
The THD at 20 kHz is −110 dB.
- What is the analog input range of the AD7686BCPZRL7?
The analog input range is from 0 V to VREF (up to VDD).
- What are the package options for the AD7686BCPZRL7?
The device is available in a 10-Lead LFCSP (3mm x 3mm) package.
- What is the operating temperature range of the AD7686BCPZRL7?
The operating temperature range is from −40°C to +85°C.
- How does the power dissipation of the AD7686BCPZRL7 scale?
The power dissipation scales linearly with throughput.
- What is the standby current of the AD7686BCPZRL7?
The standby current is 1 nA.
