OPA1S2384 Datasheet, PDF (7/23 Pages) Texas Instruments – 250-MHz, CMOS Transimpedance Amplifier (TIA) with Integrated Switch and Buffer

OPA1S2384
OPA1S2385
www.ti.com
SBOS645A – DECEMBER 2012 – REVISED JUNE 2013
TYPICAL CHARACTERISTICS
Amplifier conditions: At T_A = +25°C, R_L = 1 kΩ connected to V_S / 2, and V_O = V_CM = V_S / 2, unless otherwise noted.
100
CMRR
80
PSRR+
60
PSRR-
40
20
-8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8
Offset Voltage (mV)
Figure 1. OFFSET VOLTAGE PRODUCTION DISTRIBUTION
10k
0
10k
100k
1M
10M
100M
1G
Frequency (Hz)
Figure 2. COMMON-MODE REJECTION RATIO AND
POWER-SUPPLY REJECTION RATIO vs FREQUENCY
10k
1k
1k
Voltage Noise
Current Noise
100
100
10
10
1
-55 -35 -15 5 25 45 65 85 105 125 135
Temperature (°C)
Figure 3. INPUT BIAS CURRENT vs TEMPERATURE
180
160
140
120
Phase
100
80
60
40
Gain
20
0
-20
-40
10 100 1k 10k 100k 1M 10M 100M 1G
Frequency (Hz)
Figure 5. OPEN-LOOP GAIN AND PHASE
1
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
Figure 4. INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
3
V_O = 0.1 V_PP
0
G = +2, R_F = 604 W
-3
G = +5, R_F = 604 W
-6
G = +10, R_F = 604 W
-9
G = +1
R_F = 25 W
-12
-15
100k
1M
10M
100M
1G
Frequency (Hz)
Figure 6. NONINVERTING SMALL-SIGNAL FREQUENCY
RESPONSE
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