Details

---

BUY CA3140E https://www.utsource.net/itm/p/12444407.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC	-	3	-	30	V
Input Voltage Range	VI	-	0	-	VCC - 1.5	V
Output Voltage Swing	VO	No Load	0	-	VCC - 1.5	V
Input Bias Current	IB	-	-	10	100	pA
Input Offset Current	IOS	-	-	5	50	pA
Input Offset Voltage	VOS	-	-	5	100	渭V
Slew Rate	SR	-	-	0.5	1.0	V/渭s
Bandwidth	BW	-	-	1.2	3.0	MHz
Common Mode Rejection Ratio	CMRR	-	-	90	110	dB
Power Supply Rejection Ratio	PSRR	-	-	80	100	dB
Quiescent Current	IQ	-	-	150	450	渭A

Instructions for Using CA3140E:

1. Power Supply:

   • The CA3140E can operate with a single supply voltage ranging from 3V to 30V.
   • For dual supply operation, the total supply voltage should be between 6V and 60V.

2. Input Voltage:

   • The input voltage range is from 0V to V_CC - 1.5V.
   • Ensure that the input signals do not exceed these limits to avoid damage or incorrect operation.

3. Output Voltage:

   • The output voltage swing is from 0V to V_CC - 1.5V under no load conditions.
   • When driving a load, the output voltage swing may be reduced.

4. Bias and Offset Currents:

   • The input bias current is typically 10 pA, with a maximum of 100 pA.
   • The input offset current is typically 5 pA, with a maximum of 50 pA.
   • These parameters are crucial for high-impedance applications.

5. Offset Voltage:

   • The input offset voltage is typically 5 渭V, with a maximum of 100 渭V.
   • Use external trimming components if precise offset adjustment is required.

6. Slew Rate:

   • The typical slew rate is 0.5 V/渭s, with a maximum of 1.0 V/渭s.
   • This parameter affects the ability of the op-amp to follow fast-changing signals.

7. Bandwidth:

   • The typical bandwidth is 1.2 MHz, with a maximum of 3.0 MHz.
   • This parameter determines the frequency range over which the op-amp can operate effectively.

8. Common Mode Rejection Ratio (CMRR):

   • The typical CMRR is 90 dB, with a maximum of 110 dB.
   • High CMRR ensures that common-mode signals are rejected, improving the accuracy of differential amplification.

9. Power Supply Rejection Ratio (PSRR):

   • The typical PSRR is 80 dB, with a maximum of 100 dB.
   • High PSRR reduces the impact of power supply variations on the output signal.

10. Quiescent Current:

    • The typical quiescent current is 150 渭A, with a maximum of 450 渭A.
    • This parameter is important for low-power applications.

Additional Notes:

• Always use appropriate decoupling capacitors (e.g., 0.1 渭F and 10 渭F) between the supply pins and ground to stabilize the power supply.
• For optimal performance, ensure that the PCB layout minimizes parasitic capacitances and inductances.
• Refer to the datasheet for detailed pin configurations and specific application circuits.

(For reference only)