LMH6645 Datasheet, PDF (7/28 Pages) National Semiconductor (TI) – 2.7V, 650μA, 55MHz, Rail-to-Rail Input and Output Amplifiers with Shutdown Option

LMH6645, LMH6646, LMH6647
www.ti.com
SNOS970C – JUNE 2001 – REVISED APRIL 2013
Typical Performance Characteristics
At T_J = 25°C. Unless otherwise specified.
Closed Loop Frequency Response for Various Temperature
Frequency Response for Various A_V
GAIN
0
25°C
-2
-4
PHASE
A_V = +1
V_S = ±2.5V
R_L = 1K
V_OUT = 200mV_PP
-40°C
100k
1M
10M
FREQUENCY (Hz)
Figure 6.
85°C
0
50
100
100M 200M
GAIN
0
-2
-4
A_V = +10
PHASE
A_V = +2
A_V = +1
0
50
100
V_S = ±5V
R_L = 1k:
A_V = +5
100k
1M
10M
FREQUENCY (Hz)
Figure 7.
200M
Open Loop Gain/Phase vs. Frequency for Various
Temperature
70
60
50
PHASE
100
40
30
85°C
GAIN
20
-40°C
10
80
85°C ₆₀
40
20
0
V_S = ±2.5V
R_L = 2k
0
-40°C
-20
100k
1M
10M
FREQUENCY (Hz)
Figure 8.
100M
THD vs. Output Swing
-50
R_L = 500:
f = 100KHz
-55
A_V = +2
-60
-65
V_S = ±2.5V
-70
V_S = ±5V
-75
-80
1 2 34 5 678
V_OUT (V_PP)
Figure 9.
THD vs. Output Swing
-30
R_L = 500:
-35 f = 1MHz
A_V = +2
-40
-45
-50
-55 _{VS = ±2.5V}
-60
-
65
-70
1
2
3
4
V_OUT (V_PP)
Figure 10.
V_S = ±5V
5
6
Output Swing vs. Frequency
10
1
R_L = 500:
A_V = +2
R_f = R_g = 2K
V_S = ±5V
0.1
100k
1M
10M
FREQUENCY (Hz)
Figure 11.
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