Details

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BUY AD7892AN-1 https://www.utsource.net/itm/p/12606170.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD	Operating Range	4.5	5.0	5.5	V
Supply Current	IDD	All channels active	-	3.0	-	mA
Input Voltage Range	VIN	Differential Input	0	-	VREF	V
Reference Voltage	VREF	Internal	2.5	-	2.5	V
Conversion Time	tCONV	16-bit conversion	-	100	-	渭s
Resolution	RES	-	-	16	-	bits
Differential Nonlinearity (DNL)	DNL	-	-1	0	+1	LSB
Integral Nonlinearity (INL)	INL	-	-2	0	+2	LSB
Signal-to-Noise Ratio (SNR)	SNR	-	-	90	-	dB
Total Harmonic Distortion (THD)	THD	-	-	-90	-	dB
Power-down Mode Current	IDD(PD)	All channels off	-	0.1	-	渭A
Operating Temperature	Toper	-	-40	-	85	掳C
Storage Temperature	Tstg	-	-65	-	150	掳C

Instructions for Use

1. Power Supply:

   • Connect the VDD pin to a stable 5V power supply.
   • Ensure the power supply is clean and has adequate decoupling capacitors (e.g., 0.1渭F and 10渭F) placed close to the VDD and GND pins.

2. Reference Voltage:

   • The AD7892AN-1 uses an internal 2.5V reference voltage. If an external reference is required, connect it to the VREF pin.

3. Input Signals:

   • Connect the differential input signals to the appropriate input pins (IN0, IN1, etc.).
   • Ensure the input voltages are within the range of 0V to VREF.

4. Conversion Control:

   • Initiate a conversion by setting the CONVST pin high and then low.
   • The conversion time is approximately 100渭s for a 16-bit conversion.

5. Data Output:

   • The converted data is available on the data output pins (D0-D15).
   • Read the data using a microcontroller or other digital interface.

6. Power-down Mode:

   • To enter power-down mode, set the PD pin high.
   • The current consumption in power-down mode is typically 0.1渭A.

7. Temperature Considerations:

   • Operate the device within the specified temperature range (-40掳C to 85掳C) for optimal performance.
   • Store the device in a temperature range of -65掳C to 150掳C.

8. Handling and Storage:

   • Handle the device with care to avoid static discharge and physical damage.
   • Store the device in a dry, cool place to prevent moisture damage.

(For reference only)