Details

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BUY AD8656ARZ https://www.utsource.net/itm/p/12541653.html

Parameter	Symbol	Min	Typ	Max	Unit	Notes
Supply Voltage	VCC	2.7	-	5.5	V	-
Quiescent Current (Each Amplifier)	IQ	-	130	-	μA	-
Input Offset Voltage	VOS	-	25	-	μV	-
Input Bias Current	IB	-	0.1	-	pA	-
Input Voltage Noise	en	-	10	-	nV/√Hz	-
Common-Mode Rejection Ratio	CMRR	-	110	-	dB	-
Power-Supply Rejection Ratio	PSRR	-	110	-	dB	-
Slew Rate	SR	-	2.5	-	V/μs	-
Bandwidth (Unity Gain)	fU	-	4.5	-	MHz	-
Output Voltage Swing	VOUT	0.01	-	VCC - 0.01	V	-
Operating Temperature Range	TOP	-40	-	125	°C	-

Instructions for Using AD8656ARZ

1. Power Supply:

   • Ensure the supply voltage is within the range of 2.7V to 5.5V.
   • Use decoupling capacitors (0.1μF and 10μF) close to the power pins to minimize noise and transient effects.

2. Input Configuration:

   • Connect the input signals to the non-inverting (+) and inverting (-) inputs of the op-amps.
   • Ensure the input common-mode voltage is within the specified range for the supply voltage.

3. Output Configuration:

   • The output can swing from 0.01V above ground to 0.01V below the positive supply voltage.
   • Use appropriate load resistors and capacitors to match the output impedance and desired frequency response.

4. Biasing and Feedback:

   • For non-inverting configurations, use a feedback resistor (Rf) and a resistor from the input to ground (Rin) to set the gain.
   • For inverting configurations, connect the input signal to the inverting input through a resistor (Rin) and provide feedback through another resistor (Rf).

5. Temperature Considerations:

   • The device is designed to operate over a temperature range of -40°C to 125°C.
   • Ensure proper heat dissipation if operating at high temperatures or under high power conditions.

6. Noise Reduction:

   • To minimize noise, use low-noise power supplies and shield sensitive analog circuits.
   • Place the AD8656ARZ close to the signal source to reduce the length of input traces.

7. Stability:

   • Ensure the op-amp is stable by using appropriate compensation techniques, especially when using high gain or driving capacitive loads.

8. Handling:

   • Handle the device with care to avoid damage from electrostatic discharge (ESD).
   • Follow standard ESD protection guidelines during assembly and testing.

9. Testing:

   • Before finalizing the design, test the circuit under various operating conditions to ensure stability and performance meet the requirements.

10. Storage:

    • Store the device in a dry, cool place to prevent moisture damage.
    • Use anti-static packaging to protect the device during storage and transportation.

(For reference only)