OPA350 Datasheet, PDF (4/11 Pages) Burr-Brown (TI) – High-Speed, Single-Supply, Rail-to-Rail OPERATIONAL AMPLIFIERS MicroAmplifier ™ Series

TYPICAL PERFORMANCE CURVES
At T_A = +25°C, V_S = +5V, and R_L = 1kΩ connected to V_S/2, unless otherwise noted.
160
140
120
100
80
60
40
20
0
0.1
OPEN-LOOP GAIN/PHASE vs FREQUENCY
0
φ
G
–45
–90
–135
–180
1 10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
100
90
80
70
60
50
40
30
20
10
0
10
POWER SUPPLY AND COMMON-MODE
REJECTION RATIO vs FREQUENCY
PSRR
CMRR
(V_S = +5V
V_CM = –0.1V to 5.1V)
100
1k
10k 100k
1M
10M
Frequency (Hz)
INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
100k
10k
10k
Current Noise
1k
1k
100
Voltage Noise
100
10
10
1
1
0.1
10
100
1k
10k 100k
1M
10M
Frequency (Hz)
CHANNEL SEPARATION vs FREQUENCY
140
130
120
110
100
90
80
70
Dual and quad devices.
60
10
100
1k
10k 100k
1M
10M
Frequency (Hz)
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
1
R_L = 600Ω
0.1 G = 100, 3Vp-p (V_O = 1V to 4V)
0.01 G = 10, 3Vp-p (V_O = 1V to 4V)
0.001
G = 1, 3Vp-p (V_O = 1V to 4V)
Input goes through transition region
G = 1, 2.5Vp-p (V_O = 0.25V to 2.75V)
Input does NOT go through transition region
0.0001
10
100
1k
10k
Frequency (Hz)
100k
1
(–40dBc)
0.1
(–60dBc)
HARMONIC DISTORTION + NOISE vs FREQUENCY
G=1
V_O = 2.5Vp-p
R_L = 600Ω
0.01
(–80dBc)
0.001
(–100dBc)
3rd Harmonic
2nd Harmonic
0.0001
(–120dBc) _1k
10k
100k
1M
Frequency (Hz)
®
OPA350, 2350, 4350
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