OPA2381 Datasheet, PDF (4/19 Pages) Burr-Brown (TI) – Precision, Low Power, 18MHz Transimpedance Amplifier

OPA381
OPA2381
SBOS313B − AUGUST 2004 − REVISED NOVEMBER 2004
TYPICAL CHARACTERISTICS: V_S = +2.7V to +5.5V
All specifications at TA = +25°C, RL = 10kΩ connected to VS/2, and VOUT = VS/2, unless otherwise noted.
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OPEN−LOOP GAIN AND PHASE vs FREQUENCY
140
200
120
Phase
150
100
100
80
50
60
0
40
−50
Gain
20
−100
0
−150
−20
10
−200
100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
140
120
100
80
60
40
20
0
−20
−40
−60
10
POWER−SUPPLY REJECTION RATIO AND
COMMON−MODE REJECTION vs FREQUENCY
PSRR
CMRR
100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
PHASE MARGIN vs LOAD CAPACITANCE
90
R_S = 100Ω
80
70
10 0pF
60
50kΩ
RS
50
R_S = 50Ω
CL
40
30
R_S = 0Ω
20
10
0
100 200 300 400 500 600 700 800 900 1000
C_L Load Capacitance (pF)
QUIESCENT CURRENT vs SUPPLY VOLTAGE
1.00
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
Supply Voltage (V)
QUIESCENT CURRENT vs TEMPERATURE
1.00
0.90
0.85
0.80
5.5V
0.75
0.70
0.65
2.7V
0.60
0.55
0.50
−40 −25
0
25
50
75
Temperature (_ C)
100 125
1000
INPUT BIAS CURRENT vs TEMPERATURE
100
10
1
−40 −25
0
25
50
75
Temperature (_ C)
100 125
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