Description
BUY AD7706BRZ https://www.utsource.net/itm/p/12611103.html
| Parameter |
Symbol |
Conditions |
Min |
Typ |
Max |
Unit |
| Supply Voltage |
VDD |
|
2.7 |
|
5.25 |
V |
| Supply Current (Active) |
IDD |
fCLK = 1 MHz, T = 25°C |
|
4.0 |
|
mA |
| Supply Current (Power-Down) |
IDD |
All channels powered down |
|
0.3 |
|
μA |
| Input Voltage Range |
VIN |
|
0 |
|
VREF |
V |
| Reference Voltage |
VREF |
Internal |
2.5 |
|
2.5 |
V |
| Differential Input Range |
|
|
±VREF/2 |
|
±VREF/2 |
V |
| Common-Mode Input Range |
|
|
GND - 0.3 |
|
AVDD + 0.3 |
V |
| Output Data Rate |
|
|
4.17 |
|
2000 |
Hz |
| Resolution |
|
|
|
16 |
|
bits |
| SNR |
|
|
|
90 |
|
dB |
| THD |
|
|
|
-95 |
|
dB |
Instructions for Use
Power Supply Connection:
- Connect the power supply to the VDD pin. Ensure the voltage is within the specified range of 2.7V to 5.25V.
- Connect the ground (GND) to a stable reference point.
Reference Voltage Setup:
- The AD7706BRZ includes an internal 2.5V reference. For external references, connect the external reference voltage to the VREF pin.
Input Signal Configuration:
- Connect the analog input signals to the appropriate differential input pins (AIN1, AIN2, etc.). Ensure the signal levels are within the common-mode and differential input ranges.
Output Data Rate Selection:
- Configure the output data rate using the control register settings. The device supports rates from 4.17 Hz to 2000 Hz.
Power Management:
- To minimize power consumption, use the power-down mode when not actively converting. This can be controlled via the configuration registers.
Communication Interface:
- Communicate with the AD7706BRZ using the SPI interface. Ensure correct configuration of the clock frequency and data format according to the datasheet specifications.
Calibration:
- Perform system calibration if necessary to ensure accurate measurements. Follow the calibration procedure outlined in the datasheet.
Handling and Storage:
- Handle the device with care to avoid damage from electrostatic discharge (ESD). Store in ESD-safe packaging until ready for use.
For detailed programming and specific register configurations, refer to the full datasheet provided by Analog Devices.
(For reference only)
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