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LMH6551 Datasheet, PDF (8/32 Pages) National Semiconductor (TI) – Differential, High Speed Op Amp
LMH6551
SNOSAK7D – FEBRUARY 2005 – REVISED JANUARY 2015
www.ti.com
Electrical Characteristics: 3.3 V(1) (continued)
Single-ended in differential out, TA= 25°C, G = +1, VS = 3.3 V, VCM = 1.65 V, RF = RG = 365 Ω, RL = 500 Ω; unless specified.
PARAMETER
TEST CONDITIONS
MIN (2) TYP (3) MAX (2) UNIT
INPUT CHARACTERISTICS (DIFFERENTIAL)
VOSD
IBIAS
Input Offset Voltage
Input Offset Voltage Average
Temperature Drift(5)
Input Bias Current(6)
Input Bias Current Average
Temperature Drift(5)
Differential Mode, VID = 0, VCM = 0
1
mV
1.6
µV/°C
−8
μA
9.5
nA/°C
Input Bias Current Difference
Difference in Bias currents between the
two inputs
0.3
µA
CMRR
Common-Mode Rejection Ratio
Input Resistance
DC, VID = 0 V
Differential
78
dBc
5
MΩ
Input Capacitance
Differential
1
pF
VICM
Input Common-Mode Range
CMRR > 53 dB
+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/°C
Input Bias Current
3
μA
VCM CMRR
Input Resistance
Common-Mode Gain
OUTPUT PERFORMANCE
VID = 0,
1-V step on VCM pin, measure VOD
VCM pin to ground
ΔVO,CM/ΔVCM
60
dB
25
kΩ
0.999
V/V
VOUT
Output Voltage Swing
Single-Ended, Peak to Peak, VS= 3.3 V,
±0.75
±0.9
V
VCM= 1.65 V
IOUT
Linear Output Current
VOUT = 0-V Differential
±30
±40
mA
ISC
Output Short Circuit Current
Output Shorted to Ground
VIN = 2-V Single-Ended(7)
200
mA
CMVR
Output Common-Mode Voltage
Range
VID = 0, VCMpin = 1.2 V and 2.1 V
2.1
1.2
V
Output Balance Error
MISCELLANEOUS PERFORMANCE
ΔVOUTCommon Mode /ΔVOUTDIfferential,
VOUT = 1-Vpp Differential, f = 10 MHz
−65
dB
Open Loop Gain
DC, Differential
70
dB
PSRR
IS
Power Supply Rejection Ratio
Supply Current
DC, ΔVS = ±0.5 V
RL = ∞
75
dB
8
mA
(5) Drift determined by dividing the change in parameter at temperature extremes by the total temperature change.
(6) Negative input current implies current flowing out of the device.
(7) The maximum output current (IOUT) is determined by device power dissipation limitations.
8
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