AMC7820 Datasheet, PDF (12/28 Pages) Texas Instruments – ANALOG MONITORING AND CONTROL

TYPICAL CHARACTERISTICS: Operational Amplifiers (Cont.)
At T_A = +25°C, +AV_DD, BV_DD = +5.0V, V_REF = Internal +2.5V, unless otherwise noted.
INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
1k
1k
Voltage Noise
100
100
10
10
1
0.1
1
1
Current Noise
0.1
10
100
1k
10k
100k
1M
Frequency (Hz)
OP AMP OUTPUT VOLTAGE vs INPUT VOLTAGE
5.0
4.5
4.0
3.5 ^Input
3.0
2.5
Output
G= +1
Common-
Mode
Input Range
is Exceeded
2.0
1.5
0.01
0.005
For 0.01V < V_INPUT < 3.8V
CMRR > 74dB
V_OUTPUT Clamps at +5mV
0
0 0.005 0.01 1.5 2 2.5 3 3.5 4 4.5 5
Input Voltage (V)
160
140
120
100
80
60
40
20
0
–20
1
OPEN-LOOP GAIN/PHASE vs FREQUENCY
0
–45
φ
–90
G
–135
–180
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
140
130
120
110
100
90
80
–50
A_OL, CMRR, PSRR vs TEMPERATURE
A_OL
PSRR
CMRR
–25
0
25
50
75
Temperature (°C)
130
120
110
100
90
80
70
100
POWER-SUPPLY REJECTION RATIO AND
COMMON-MODE REJECTION RATIO vs FREQUENCY
100
90
+PSRR
80
70
60
50
CMRR
40
30
20
10
1
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
SMALL-SIGNAL STEP RESPONSE
G = 1, C_L = 100pF
Time (1µs/div)
12
AMC7820
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SBAS231B