Details

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BUY LMH6644MA. https://www.utsource.net/itm/p/12607162.html

Parameter	Symbol	Min	Typical	Max	Unit	Conditions
Supply Voltage	Vcc	2.7	-	5.25	V
Quiescent Current	IQ	-	13.5	-	mA	Per channel, Vcc = 5V
Output Swing	VOSW	0.1	-	1.8	V	Vcc = 5V, RL = 1kΩ
Input Offset Voltage	VIO	-0.8	0.1	0.8	mV	Vcc = 5V
Input Bias Current	IIB	-0.5	0.05	0.5	μA	Vcc = 5V
Input Capacitance	CIN	-	2.5	-	pF	Vcc = 5V
Bandwidth	fBW	-	1500	-	MHz	Vcc = 5V, G = +1, RL = 1kΩ
Slew Rate	SR	-	1800	-	V/μs	Vcc = 5V, RL = 1kΩ
Large Signal Voltage Gain	AV	-	13.5	-	dB	Vcc = 5V, f = 1MHz, RL = 1kΩ
Noise Voltage	en	-	1.5	-	nV/√Hz	Vcc = 5V, f = 1kHz
Noise Current	in	-	0.4	-	pA/√Hz	Vcc = 5V, f = 1kHz
Power Supply Rejection Ratio	PSRR	-	80	-	dB	Vcc = 5V, f = 1kHz
Common Mode Rejection Ratio	CMRR	-	80	-	dB	Vcc = 5V, f = 1kHz

Instructions for Use:

1. Power Supply:

   • The LMH6644MA operates over a supply voltage range from 2.7V to 5.25V. Ensure the power supply is stable and within this range.

2. Biasing:

   • Connect the non-inverting and inverting inputs to appropriate bias voltages to set the operating point of the amplifier.

3. Output Load:

   • The output can swing from 0.1V to 1.8V below the supply voltage. Ensure the load resistance (RL) is suitable for the desired output swing.

4. Input Protection:

   • The input pins should not be subjected to voltages outside the supply rails to avoid damage. Use external clamping diodes if necessary.

5. Decoupling Capacitors:

   • Place decoupling capacitors (0.1μF and 10μF) close to the power supply pins to minimize noise and ensure stability.

6. PCB Layout:

   • Use a ground plane to reduce parasitic inductances and capacitances. Keep signal traces short and direct to minimize interference.

7. Temperature Range:

   • The device is specified for operation over the industrial temperature range (-40°C to +85°C). Ensure the operating environment does not exceed these limits.

8. Handling:

   • Handle the device with care to avoid static damage. Use proper ESD protection when handling the device.

9. Testing:

   • When testing the device, use a low-frequency signal initially to verify the basic functionality before moving to higher frequencies.

10. Application Notes:

    • Refer to the application notes provided by the manufacturer for specific circuit configurations and design guidelines.

(For reference only)