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LMH6551Q_15 Datasheet, PDF (5/26 Pages) Texas Instruments – Differential, High Speed Op Amp
LMH6551Q
www.ti.com
SNOSB95E – NOVEMBER 2011 – REVISED MARCH 2013
5V Electrical Characteristics (1) (continued)
Single ended in differential out, TA= 25°C, G = +1, VS = 5V, VCM = 2.5V, RF = RG = 365Ω, RL = 500Ω; Unless specified
Boldface limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Min (2)
Typ (3)
Max (2)
Units
Distortion and Noise Response
HD2
2nd Harmonic Distortion
HD2
HD3
3rd Harmonic Distortion
HD3
en
Input Referred Noise Voltage
in
Input Referred Noise Current
Input Characteristics (Differential)
VO = 2 VPP, f = 5 MHz, RL=800Ω
VO = 2 VPP, f = 20 MHz, RL=800Ω
VO = 2 VPP, f = 5 MHz, RL=800Ω
VO = 2 VPP, f = 20 MHz, RL=800Ω
Freq ≥ 1 MHz
Freq ≥ 1 MHz
−84
dBc
−69
dBc
−93
dBc
−67
dBc
6.0
nV/√Hz
1.5
pA/√Hz
VOSD
IBIAS
Input Offset Voltage
Input Offset Voltage Average
Temperature Drift
Input Bias Current
Input Bias Current Average
Temperature Drift
Differential Mode, VID = 0, VCM = 0
(5)
(6)
(5)
0.5
−0.8
−4
−3
±4
mV
±6
µV/°C
0
μA
-10
nA/°C
Input Bias Current Difference
Difference in Bias currents between the
0.03
µA
two inputs
CMRR
Common-Mode Rejection Ratio
Input Resistance
DC, VID = 0V
Differential
70
78
dBc
5
MΩ
Input Capacitance
Differential
1
pF
VICM
Input Common Mode Range
CMRR > 53 dB
+3.1
+3.2
+0.4
+0.3
VCMPin Input Characteristics (Common Mode Feedback Amplifier)
Input Offset Voltage
Common Mode, VID = 0
0.5
±5
mV
±8
Input Offset Voltage Average
Temperature Drift
5.8
µV/°C
Input Bias Current
3
μA
VCM CMRR
Input Resistance
Common Mode Gain
Output Performance
VID = 0,
1V step on VCM pin, measure VOD
VCM pin to ground
ΔVO,CM/ΔVCM
70
75
dB
25
kΩ
0.995
0.999
1.005
V/V
VOUT
Output Voltage Swing
Single Ended, Peak to Peak, VS= ±2.5V, ±2.4
±2.8
V
VCM= 0V
IOUT
Linear Output Current
VOUT = 0V Differential
±45
±60
mA
ISC
Output Short Circuit Current
Output Shorted to Ground
VIN = 3V Single Ended(7)
230
mA
CMVR
Output Common Mode Voltage
Range
VID = 0, VCMpin = 1.2V and 3.8V
1.23
1.20
3.72
3.80
V
Output Balance Error
ΔVOUTCommon Mode /ΔVOUTDIfferential,
−65
dB
VOUT = 1Vpp Differential, f = 10 MHz
Miscellaneous Performance
Open Loop Gain
DC, Differential
70
dB
PSRR
IS
Power Supply Rejection Ratio
Supply Current
DC, ΔVS = ±0.5V
RL = ∞
71
88
dB
10
11.5
13.5
mA
15.5
(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.
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