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LMH6645 Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LMH6645
Description  2.7V, 650μA, 55MHz, Rail-to-Rail Input and Output Amplifiers with Shutdown Option
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LMH6645 Datasheet(HTML) 4 Page - National Semiconductor (TI)

 
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2.7V Electrical Characteristics (Continued)
Unless otherwise specified, all limits guaranteed for at T
J = 25˚C, V
+ = 2.7V, V= 0V, V
CM =VO =V
+/2, and R
f =2kΩ, and RL
=1k
Ω to V+/2. Boldface limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Min
(Note 6)
Typ
(Note 5)
Max
(Note 6)
Units
CMRR
Common Mode Rejection
Ratio
V
CM Stepped from 0V to 2.7V
46
77
dB
V
CM Stepped from 0V to 1.55V
58
76
A
VOL
Large Signal Voltage Gain
V
O = 0.35V to 2.35V
76
74
87
dB
V
O
Output Swing
High
R
L = 1ktoV
+/2
2.55
2.66
V
R
L = 10k to V
+/2
2.68
Output Swing
Low
R
L = 1ktoV
+/2
40
150
mV
R
L = 10k to V
+/2
20
I
SC
Output Short Circuit Current
Sourcing to V
V
ID = 200mV (Note 10)
43
mA
Sinking to V
+
V
ID = −200mV (Note 10)
42
I
OUT
Output Current
V
OUT = 0.5V from rails
±20
mA
PSRR
Power Supply Rejection Ratio
V
+ = 2.7V to 3.7V or
V
= 0Vto−1V
75
83
dB
I
S
Supply Current (per channel)
Normal Operation
650
1250
µA
Shutdown Mode (LMH6647 only)
15
50
5V Electrical Characteristics
Unless otherwise specified, all limits guaranteed for at T
J = 25˚C, V
+ = 5V, V= 0V, V
CM =VO =V
+/2, and R
f =2kΩ, and RL
=1k
Ω to V+/2. Boldface limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Min
(Note 6)
Typ
(Note 5)
Max
(Note 6)
Units
BW
−3dB BW
A
V = +1, VOUT = 200mVPP
40
55
MHz
e
n
Input-Referred Voltage Noise
f = 100kHz
17
nV/
f = 1kHz
25
i
n
Input-Referred Current Noise
f = 100kHz
0.75
pA/
f = 1kHz
1.20
CT Rej.
Cross-Talk Rejection
(LMH6646 only)
f = 5MHz, Receiver:
R
f =Rg = 510Ω,AV =+2
47
dB
SR
Slew Rate
A
V = −1, VO =2VPP
(Note 8, 13)
15
22
V/µs
T
ON
Turn-On Time (LMH6647 only)
210
ns
T
OFF
Turn-Off Time (LMH6647 only)
500
ns
TH
SD
Shutdown Threshold
(LMH6647 only)
I
S ≤ 50µA
4.25
4.60
V
I
SD
Shutdown Pin Input Current
(LMH6647 only)
(Note 7)
−20
µA
V
OS
Input Offset Voltage
0V
≤ V
CM ≤ 5V
−3
−4
±1
3
4
mV
TC V
OS
Input Offset Average Drift
(Note 12)
±5
µV/C
I
B
Input Bias Current
V
CM = 4.8V (Note 7)
+0.36
+2
−2.2
µA
V
CM = 0.5V (Note 7)
−0.68
−2
−2.2
I
OS
Input Offset Current
0V
≤ V
CM ≤ 5V
1
500
nA
R
IN
Common Mode Input
Resistance
3M
www.national.com
4


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