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LMH6657_16 Datasheet, PDF (6/35 Pages) Texas Instruments – 270-MHz Single Supply, Single and Dual Amplifiers
LMH6657, LMH6658
SNOSA35G – AUGUST 2002 – REVISED JULY 2015
www.ti.com
Electrical Characteristics, 5 V (continued)
Unless otherwise specified, all limits ensured for at TJ = 25°C, V+ = 5 V, V− = 0 V, VCM = VO = V+/2, and RL = 100Ω (or as
specified) tied to V+/2.
PARAMETER
TEST CONDITIONS
MIN(1) TYP(2) MAX(1) UNIT
IB
Input Bias Current
See (6)
At the temperature extremes
−5
−20
μA
−30
TC IB
Input Bias Current
Average Drift
See (5)
0.01
nA/°C
IOS
Input Offset Current
At the temperature extremes
50
300
nA
500
CMRR
+PSRR
Common-Mode Rejection
Ratio
Positive Power Supply
Rejection Ratio
VCM Stepped from 0V to 3.0V
V+ = 4.5V to 5.5V, VCM = 1V
72
82
dB
72
82
dB
IS
Supply Current (per
channel)
No load
At the temperature extremes
6.2
8.5
mA
10
MISCELLANEOUS PERFORMANCE
RL = 2k to V+/2
4.1 4.25
At the temperature extremes
3.8
VOH
Output Swing
High
RL = 150Ω to V+/2
At the temperature extremes
4 4.19
3.7
V
RL = 75Ω to V+/2
3.85 4.15
At the temperature extremes
3.5
RL = 2k to V+/2
900
800
At the temperature extremes
1100
VOL
Output Swing
Low
RL = 150Ω to V+/2
970
870
mV
At the temperature extremes
1200
R L = 75Ω to V+/2
990
885
At the temperature extremes
1250
IOUT
Output Current
VOUT = 1V from either
rail
Sourcing to V+/2
Sourcing
Sinking
40
85
mA
–40
105
100
155
ISC
Output Short
CircuitCurrent (7)
Sinking to V+/2
At the temperature extremes
80
100
220
mA
At the temperature extremes
80
RIN
Common-Mode Input
Resistance
3
MΩ
CIN
Common-Mode Input
Capacitance
1.8
pF
ROUT Output Impedance
f = 1MHz, AV = +1
0.06
Ω
(6) Positive current corresponds to current flowing into the device.
(7) Short circuit test is a momentary test. See Note 3 under Absolute Maximum Ratings.
6
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