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LMH6551 Datasheet, PDF (6/19 Pages) National Semiconductor (TI) – Differential, High Speed Op Amp | |||
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3.3V Electrical Characteristics (Note 2) (Continued)
Single ended in differential out, TA= 25ËC, G = +1, VS = 3.3V, VCM = 1.65V, RF = RG = 365â¦, RL = 500â¦; ; Unless specified-
Boldface limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Min
Typ
Max
(Note 8) (Note 7) (Note 8)
Units
LSBW
Large Signal â3 dB Bandwidth
Slew Rate
RL = 500â¦, VOUT = 1 VPP
1V Step(Note 6)
300
MHz
700
V/µs
Rise/Fall Time, 10% to 90%
1V Step
2
ns
VCM Pin AC Performance (Common Mode Feedback Amplifier)
Common Mode Small Signal
Bandwidth
95
MHz
Distortion and Noise Response
HD2
2nd Harmonic Distortion
VO = 1 VPP, f = 5 MHz, RL=800â¦
â93
dBc
HD2
VO = 1 VPP, f = 20 MHz, RL=800â¦
â74
dBc
HD3
3rd Harmonic Distortion
VO = 1VPP, f = 5 MHz, RL=800â¦
â85
dBc
HD3
VO = 1VPP, f = 20 MHz, RL=800â¦
â69
dBc
Input Characteristics (Differential)
VOSD
Input Offset Voltage
Differential Mode, VID = 0, VCM = 0
1
mV
Input Offset Voltage Average
(Note 10)
1.6
µV/ËC
Temperature Drift
IBIAS
Input Bias Current
Input Bias Current Average
Temperature Drift
(Note 9)
(Note 10)
â8
µA
9.5
nA/ËC
Input Bias Current Difference
Difference in Bias currents between
0.3
µA
the two inputs
CMRR
Common-Mode Rejection Ratio DC, VID = 0V
Input Resistance
Differential
78
dBc
5
Mâ¦
VICM
Input Capacitance
Input Common Mode Range
Differential
CMRR > 53 dB
1
pF
+1.5
+0.3
VCMPin Input Characteristics (Common Mode Feedback Amplifier)
Input Offset Voltage
Common Mode, VID = 0
Input Offset Voltage Average
Temperature Drift
1
±5
mV
18.6
µV/ËC
Input Bias Current
3
µA
VCM CMRR
VID = 0,
60
dB
1V step on VCM pin, measure VOD
Input Resistance
VCM pin to ground
25
kâ¦
Common Mode Gain
âVO,CM/âVCM
0.999
V/V
Output Performance
VOUT
Output Voltage Swing
Single Ended, Peak to Peak, VS=
±0.75
±0.9
V
3.3V, VCM= 1.65V
IOUT
Linear Output Current
VOUT = 0V Differential
±30
±40
mA
ISC
Output Short Circuit Current
Output Shorted to Ground
VIN = 2V Single Ended(Note 3)
200
mA
CMVR
Output Common Mode Voltage VID = 0, VCMpin = 1.2V and 2.1V
2.1
V
Range
1.2
Output Balance Error
âVOUTCommon Mode
/âVOUTDIfferential , VOUT = 1Vpp
Differential, f = 10 MHz
â65
dB
Miscellaneous Performance
PSRR
Open Loop Gain
Power Supply Rejection Ratio
DC, Differential
DC, âVS = ±0.5V
70
dB
75
dB
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