Overview
The AD7686BRMZRL7 is a 16-bit, successive approximation, analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for high-speed and low-power applications, operating from a single 5 V power supply. It features a charge redistribution architecture with no missing codes and includes an internal conversion clock and a versatile serial interface. The ADC also includes a low noise, wide bandwidth track-and-hold circuit, making it suitable for a variety of precision measurement and data acquisition systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Throughput | Up to 500 kSPS |
| Integral Nonlinearity (INL) | ±0.6 LSB typical, ±2 LSB maximum |
| 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) |
| Supply Voltage | 5 V |
| Logic Interface Voltage | 1.8 V, 2.5 V, 3 V, 5 V |
| Power Dissipation | 3.75 mW at 5 V/100 kSPS |
| Standby Current | 1 nA |
| Package Type | 10-Lead MSOP |
| Operating Temperature Range | −40°C to +85°C |
Key Features
- No missing codes in the 16-bit resolution
- Pseudo differential analog input range from 0 V to VREF (up to VDD)
- No pipeline delay
- Single-supply 5 V operation with flexible logic interface voltages (1.8 V, 2.5 V, 3 V, 5 V)
- Proprietary serial interface compatible with SPI, QSPI, MICROWIRE, and DSP
- Daisy-chain capability for multiple ADCs and busy indicator
- Low power consumption with power dissipation scaling linearly with throughput
- Low noise, wide bandwidth track-and-hold circuit
Applications
The AD7686BRMZRL7 is suitable for various applications requiring high-speed and low-power analog-to-digital conversion. These include:
- Precision measurement and data acquisition systems
- Medical devices and diagnostic equipment
- Industrial control and automation systems
- Aerospace and defense applications
- High-speed data logging and monitoring systems
Q & A
- What is the resolution of the AD7686BRMZRL7 ADC?
The AD7686BRMZRL7 has a 16-bit resolution. - What is the maximum throughput of the AD7686BRMZRL7?
The maximum throughput is up to 500 kSPS. - What is the typical INL of the AD7686BRMZRL7?
The typical Integral Nonlinearity (INL) is ±0.6 LSB. - What is the SINAD of the AD7686BRMZRL7 at 20 kHz?
The Signal-to-Noise and Distortion Ratio (SINAD) is 92.5 dB at 20 kHz. - What is the power dissipation of the AD7686BRMZRL7 at 5 V and 100 kSPS?
The power dissipation is 3.75 mW at 5 V and 100 kSPS. - What is the standby current of the AD7686BRMZRL7?
The standby current is 1 nA. - What package type is the AD7686BRMZRL7 available in?
The AD7686BRMZRL7 is available in a 10-Lead MSOP package. - What is the operating temperature range of the AD7686BRMZRL7?
The operating temperature range is −40°C to +85°C. - Is the AD7686BRMZRL7 compatible with multiple logic interface voltages?
Yes, it is compatible with 1.8 V, 2.5 V, 3 V, and 5 V logic interface voltages. - Can multiple AD7686BRMZRL7 ADCs be daisy-chained?
Yes, multiple ADCs can be daisy-chained using the serial interface.
