Overview
The MX7705EUE+ is a 16-bit, low-power, 2-channel sigma-delta analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is designed for high precision and low power consumption, making it ideal for applications requiring accurate measurement of low-frequency signals. The MX7705EUE+ is pin compatible and software compatible with the AD7705, offering a seamless transition for existing designs. It features an on-chip input buffer, a programmable-gain amplifier (PGA), and a digital filter, which together provide excellent DC performance and low noise characteristics.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16-bit |
| Channels | 2 |
| Input Type | Fully differential bipolar/unipolar |
| Supply Voltage | 2.7V to 5.25V |
| Operating Supply Current | 320µA (typ) at 3V |
| Power-Down Supply Current | 2µA (typ) |
| Integral Non-Linearity (INL) | ±0.003% FSR |
| Noise | 650nV |
| Package | 16-pin TSSOP |
| Interface | SPI-/QSPI-/MICROWIRE-compatible serial interface |
Key Features
- On-chip input buffer and programmable-gain amplifier (PGA)
- Self-calibration and system calibration for gain and offset error correction
- Internal digital filter with programmable cutoff and output data rate
- High rejection of common-mode and normal-mode 50Hz or 60Hz noise
- Low power consumption with power-down mode
- Pin and software compatibility with AD7705
Applications
The MX7705EUE+ is suitable for a variety of applications that require precise measurement of low-frequency signals. These include:
- Industrial automation and control systems
- Medical devices and diagnostic equipment
- Test and measurement instruments
- Aerospace and defense systems
- Automotive systems requiring high accuracy and low power consumption
Q & A
- What is the resolution of the MX7705EUE+ ADC?
The MX7705EUE+ has a resolution of 16 bits. - How many channels does the MX7705EUE+ support?
The MX7705EUE+ supports 2 channels. - What is the input type of the MX7705EUE+?
The input type is fully differential bipolar/unipolar. - What is the operating supply voltage range of the MX7705EUE+?
The operating supply voltage range is 2.7V to 5.25V. - What is the typical operating supply current at 3V?
The typical operating supply current at 3V is 320µA. - How much current does the device consume in power-down mode?
The device consumes 2µA (typ) in power-down mode. - What is the integral non-linearity (INL) of the MX7705EUE+?
The INL is ±0.003% FSR. - What is the noise level of the MX7705EUE+?
The noise level is 650nV. - What type of package is the MX7705EUE+ available in?
The MX7705EUE+ is available in a 16-pin TSSOP package. - Is the MX7705EUE+ compatible with other ADC models?
Yes, it is pin and software compatible with the AD7705.
