Datasheet
LMH6639
www.ti.com
SNOS989G –JANUARY 2002–REVISED MARCH 2013
3V Electrical Characteristics (continued)
Unless otherwise specified, all limits ensured for at T
J
= 25°C, V
+
= 3V, V
−
= 0V, V
O
= V
CM
= V
+
/2, and R
L
= 2kΩ to V
+
/2.
Boldface limits apply at the temperature extremes.
Symbol Parameter Conditions Min
(1)
Typ
(2)
Max
(1)
Units
T
S
Settling Time V
O
= 2V
PP
, ±0.1% 37 ns
SR Slew Rate A
V
= −1
(3)
120 167 V/μs
V
OS
Input Offset Voltage 1.01 5 mV
7
TC V
OS
Input Offset Average Drift See
(4)
8 μV/°C
I
B
Input Bias Current See
(5)
−1.02 −2.6 μA
−3.5
I
OS
Input Offset Current 20 800 nA
1000
R
IN
Common Mode Input Resistance A
V
= +1, f = 1kHz, R
S
= 1MΩ 6.1 MΩ
C
IN
Common Mode Input A
V
= +1, R
S
= 100kΩ 1.35 pF
Capacitance
CMVR Input Common-Mode Voltage CMRR ≥ 50dB −0.3 −0.2
Range −0.1
V
1.8 2
1.6
CMRR Common Mode Rejection Ratio See
(6)
72 93 dB
A
VOL
Large Signal Voltage Gain V
O
= 2V
PP
, R
L
= 2kΩ to V
+
/2 80 100
76
dB
V
O
= 2V
PP
, R
L
= 150Ω to V
+
/2 74 78
70
V
O
Output Swing R
L
= 2kΩ to V
+
/2, V
ID
= 200mV 2.90 2.98
High
R
L
= 150Ω to V
+
/2, V
ID
= 200mV 2.75 2.93 V
R
L
= 50Ω to V
+
/2, V
ID
= 200mV 2.6 2.85
Output Swing R
L
= 2kΩ to V
+
/2, V
ID
= −200mV 25 75
Low
R
L
= 150Ω to V
+
/2, V
ID
= −200mV 75 200 mV
R
L
= 50Ω to V
+
/2, V
ID
= −200mV 130 300
I
SC
Output Short Circuit Current Sourcing to V
+
/2
(7)
50 120
35
mA
Sinking to V
+
/2
(7)
67 140
40
I
OUT
Output Current V
O
= 0.5V from either supply 99 mA
PSRR Power Supply Rejection Ratio See
(6)
72 96 dB
I
S
Supply Current (Enabled) No Load 3.5 5.6
7.5
mA
Supply Current (Disabled) 0.3 0.5
0.7
TH_SD Threshold Voltage for Shutdown V
+
−1.59 V
Mode
I_SD PIN Shutdown Pin Input Current SD Pin Connect to 0V
(8)
−13 μA
T
ON
On Time After Shutdown 83 nsec
T
OFF
Off Time to Shutdown 160 nsec
R
OUT
Output Resistance Closed Loop R
F
= 10kΩ, f = 1kHz, A
V
= −1 27
mΩ
R
F
= 10kΩ, f = 1MHz, A
V
= −1 266
(3) Slew rate is the average of the rising and falling slew rates.
(4) Offset voltage average drift determined by dividing the change in V
OS
at temperature extremes into the total temperature change.
(5) Positive current corresponds to current flowing into the device.
(6) f ≤ 1kHz (see typical performance Characteristics)
(7) Short circuit test is a momentary test.
(8) Positive current corresponds to current flowing into the device.
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