OPA277 Datasheet, PDF (5/25 Pages) Burr-Brown (TI) – High Precision OPERATIONAL AMPLIFIERS

TYPICAL CHARACTERISTICS
At T_A = +25°C, V_S = ±15V, and R_L = 2kΩ, unless otherwise noted.
140
120
100
80
60
40
20
0
–20
0.1
OPEN-LOOP GAIN/PHASE
vs FREQUENCY
G
C_L = 0
0
C_L = 1500pF
–30
–60
φ
–90
–120
–150
–180
1 10 100 1k 10k 100k 1M 10M
Frequency (Hz)
140
120
100
80
60
40
20
0
0.1
POWER SUPPLY AND COMMON-MODE
REJECTION vs FREQUENCY
–PSR
+PSR
CMR
1
10 100 1k 10k 100k 1M
Frequency (Hz)
1000
100
10
INPUT NOISE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
Current Noise
Voltage Noise
1
1
10
100
1k
10k
Frequency (Hz)
INPUT NOISE VOLTAGE vs TIME
Noise signal is bandwidth limited to
lie between 0.1Hz and 10Hz.
1s/div
CHANNEL SEPARATION vs FREQUENCY
140
120
100
Dual and quad devices. G = 1,
all channels. Quad measured
80 _{channel A to D or B to C—other}
combinations yield similar or
improved rejection.
60
40
10
100
1k
10k
100k
1M
Frequency (Hz)
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
1
V_OUT = 3.5Vrms
0.1
G = 10, R_L = 2kΩ, 10kΩ
0.01
G = 1, R_L = 2kΩ, 10kΩ
0.001
10
100
1k
10k
Frequency (Hz)
100k
OPA277, OPA2277, OPA4277
5
SBOS079A
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