Overview
The AD7686CRMZRL7 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. 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 |
|---|---|
| Resolution | 16 bits |
| Throughput | Up to 500 kSPS |
| INL (Integral Nonlinearity) | ±0.6 LSB typical, ±2 LSB maximum |
| SINAD (Signal-to-Noise and Distortion Ratio) | 92.5 dB at 20 kHz |
| THD (Total Harmonic Distortion) | −110 dB at 20 kHz |
| Analog Input Range | 0 V to VREF (up to VDD) |
| Supply Voltage | 5 V (VDD), with 1.8 V, 2.5 V, 3 V, or 5 V logic interface (VIO) |
| Power Dissipation | 3.75 µW at 5 V/100 SPS, 3.75 mW at 5 V/100 kSPS |
| Standby Current | 1 nA |
| Package | 10-Lead MSOP or 10-Lead QFN (LFCSP) |
| Operating Temperature Range | −40°C to +85°C |
| Storage Temperature Range | −65°C to +150°C |
Key Features
- No missing codes in the 16-bit resolution.
- Internal conversion clock and versatile serial interface port compatible with SPI, QSPI, MICROWIRE, and DSP interfaces.
- Ability to daisy-chain multiple ADCs on a single 3-wire bus and optional busy indicator.
- Low noise, wide bandwidth, short aperture delay track-and-hold circuit.
- Pseudo differential analog input range from 0 V to VREF (up to VDD).
- Single-supply operation with 5 V power supply and compatibility with 1.8 V, 2.5 V, 3 V, or 5 V logic.
- Low power consumption with power dissipation scaling linearly with throughput.
Applications
The AD7686CRMZRL7 is suitable for various high-performance applications, including but not limited to:
- Industrial process control systems.
- Medical devices requiring high accuracy and low noise.
- Aerospace and defense systems where reliability and precision are critical.
- Automotive systems that demand robust and accurate data conversion.
- Test and measurement equipment where high resolution and speed are necessary.
Q & A
- What is the resolution of the AD7686CRMZRL7 ADC?
The AD7686CRMZRL7 has a 16-bit resolution. - What is the maximum throughput of the AD7686CRMZRL7?
The maximum throughput is up to 500 kSPS. - What is the typical INL (Integral Nonlinearity) of the AD7686CRMZRL7?
The typical INL is ±0.6 LSB. - What is the SINAD (Signal-to-Noise and Distortion Ratio) of the AD7686CRMZRL7 at 20 kHz?
The SINAD is 92.5 dB at 20 kHz. - Can the AD7686CRMZRL7 be daisy-chained with other ADCs?
Yes, the AD7686CRMZRL7 can be daisy-chained on a single 3-wire bus. - What are the operating temperature ranges for the AD7686CRMZRL7?
The operating temperature range is −40°C to +85°C. - What is the standby current of the AD7686CRMZRL7?
The standby current is 1 nA. - Is the AD7686CRMZRL7 compatible with different logic voltage levels?
Yes, it is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic interfaces. - What types of packages are available for the AD7686CRMZRL7?
The device is available in 10-Lead MSOP and 10-Lead QFN (LFCSP) packages. - How does the power dissipation of the AD7686CRMZRL7 scale?
The power dissipation scales linearly with throughput.
