Overview
The AD7688BRMZRL7 is a 16-bit, 500 kSPS (kilosamples per second) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single 5V power supply and features a high-speed, low-power design with no missing codes. It includes an internal conversion clock and a versatile serial interface port, making it suitable for a variety of applications requiring high precision and speed.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Throughput | 500 kSPS |
| Integral Nonlinearity (INL) | ±0.4 LSB typ, ±1.5 LSB max |
| Differential Analog Input Range | ±VREF (0 V to VREF) |
| Dynamic Range | 96.5 dB |
| Signal-to-Noise Ratio (SNR) | 95.5 dB at 20 kHz |
| Total Harmonic Distortion (THD) | −118 dB at 20 kHz |
| Power Supply | Single 5V |
| Logic Interface Voltage | 1.8 V, 2.5 V, 3 V, or 5 V |
| Package Type | 10-Lead MSOP or 10-Lead LFCSP |
| Power Dissipation | 3.75 mW at 5 V/100 kSPS, 3.75 µW at 5 V/100 SPS |
| Standby Current | 1 nA |
Key Features
- High-speed, 16-bit successive-approximation ADC with no missing codes
- Internal conversion clock and versatile serial interface port compatible with SPI, QSPI, MICROWIRE, and DSP
- Ability to daisy-chain multiple ADCs on a single 3-wire bus with an optional BUSY indicator
- Low noise, wide bandwidth, and short aperture delay track-and-hold circuit
- Power scales linearly with throughput
- Pin-for-pin compatible with AD7685, AD7686, and AD7687
Applications
The AD7688BRMZRL7 is suitable for various applications requiring high precision and speed, such as:
- Industrial automation and control systems
- Medical devices and diagnostic equipment
- Aerospace and defense systems
- High-performance data acquisition systems
- Automotive systems requiring precise analog-to-digital conversion
Q & A
- What is the resolution of the AD7688BRMZRL7?
The AD7688BRMZRL7 has a resolution of 16 bits. - What is the maximum throughput of the AD7688BRMZRL7?
The maximum throughput is 500 kSPS. - What is the typical integral nonlinearity (INL) of the AD7688BRMZRL7?
The typical INL is ±0.4 LSB. - What is the dynamic range of the AD7688BRMZRL7?
The dynamic range is 96.5 dB. - What are the package options for the AD7688BRMZRL7?
The device is available in 10-Lead MSOP and 10-Lead LFCSP packages. - How does the power consumption of the AD7688BRMZRL7 scale?
The power consumption scales linearly with throughput. - Can multiple AD7688BRMZRL7 devices be daisy-chained?
Yes, multiple devices can be daisy-chained on a single 3-wire bus. - What is the standby current of the AD7688BRMZRL7?
The standby current is 1 nA. - Is the AD7688BRMZRL7 compatible with different logic interface voltages?
Yes, it is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic interface voltages. - What is the signal-to-noise ratio (SNR) of the AD7688BRMZRL7 at 20 kHz?
The SNR is 95.5 dB at 20 kHz.
