OPA344 Datasheet, PDF (6/29 Pages) Burr-Brown (TI) – LOW POWER, SINGLE-SUPPLY, RAIL-TO-RAIL OPERATIONAL AMPLIFIERS MicroAmplifier ™ Series

TYPICAL PERFORMANCE CURVES (Cont.)
At T_A = +25°C, V_S = +5V, and R_L = 10kΩ connected to V_S/2, unless otherwise noted.
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
1
OPA344: G = 1
OPA345: G = 5
0.1
0.010
0.001
20
100
1k
Frequency (Hz)
10k 20k
OPEN-LOOP GAIN, COMMON-MODE REJECTION RATIO,
AND POWER-SUPPLY REJECTION vs TEMPERATURE
140
A_OL
120
100
80
PSRR
60
CMRR
40
20
0
–75 –50 –25 0 25 50 75 100 125
Temperature (°C)
10000
INPUT BIAS CURRENT vs TEMPERATURE
1000
100
10
1
0.1
–75 –50 –25 0 25 50 75 100 125
Temperature (°C)
QUIESCENT CURRENT AND
SHORT-CIRCUIT CURRENT vs TEMPERATURE
200
40
175
35
I_Q
150
30
135
25
+I_SC
100
20
–I_SC
75
15
50
10
25
5
0
–75 –50 –25
0 25 50
Temperature (°C)
0
75 100 125
SLEW RATE vs TEMPERATURE
3.0
2.5
OPA345
2.0
SR–
SR+
1.5
OPA344 SR–
1.0
SR+
0.5
0
–75 –50 –25
0 25 50
Temperature (°C)
75 100 125
INPUT BIAS CURRENT
vs COMMON-MODE VOLTAGE
6
4
V–
Supply
2
V+
Supply
0
–2
Input voltage ≤ –0.3V
–4
can cause op amp output
to lock up. See text.
–6
–1
0
1
2
3
4
5
6
Common-Mode Voltage (V)
OPA344, 2344, 4344
6
OPA345, 2345, 4345
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