Details

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BUY AD8803 https://www.utsource.net/itm/p/12598496.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VCC	2.7	-	5.5	V	Operating supply voltage
Quiescent Current	IQ	-	1.5	-	mA	Supply current at no load
Input Voltage Range	VIN	0	-	VCC - 1.5	V	Input voltage range relative to ground
Output Voltage Range	VOUT	0	-	VCC - 1.5	V	Output voltage range relative to ground
Bandwidth	fBW	-	1.6	-	MHz	Small-signal bandwidth
Slew Rate	SR	-	1.6	-	V/渭s	Maximum rate of change of output voltage
Gain	AV	-	100	-	V/V	Voltage gain
Input Bias Current	IB	-	10	-	nA	Average input bias current
Input Offset Voltage	VOS	-	1	-	mV	Differential input voltage required to produce zero output voltage
Common-Mode Rejection Ratio	CMRR	-	80	-	dB	Ability to reject common-mode signals
Power-Down Mode Current	IPD	-	0.1	-	渭A	Supply current in power-down mode

Instructions for Using the AD8803

1. Power Supply:

   • Connect the V_CC pin to a supply voltage between 2.7V and 5.5V.
   • Ensure the ground (GND) pin is connected to the system ground.

2. Input Signal:

   • Apply the input signal to the IN+ and IN- pins. The input voltage should be within the range of 0V to V_CC - 1.5V.
   • Use a differential input configuration for optimal performance.

3. Output Signal:

   • The output signal will be available on the OUT pin. The output voltage range is from 0V to V_CC - 1.5V.
   • Ensure the load impedance is appropriate for the desired output level.

4. Power-Down Mode:

   • To enter power-down mode, set the PD pin to a high logic level (V_CC).
   • In power-down mode, the quiescent current drops to approximately 0.1 渭A.

5. Gain Setting:

   • The AD8803 has a fixed gain of 100 V/V. No external components are required to set the gain.

6. Temperature Range:

   • The device is specified to operate over the temperature range of -40掳C to +85掳C.

7. Layout Considerations:

   • Place decoupling capacitors close to the V_CC and GND pins to minimize noise and improve stability.
   • Use a ground plane to reduce parasitic inductance and capacitance.

8. Handling Precautions:

   • The AD8803 is sensitive to electrostatic discharge (ESD). Handle the device with ESD precautions.
   • Avoid exposing the device to excessive heat or mechanical stress during soldering and assembly.

(For reference only)