OPA1S2384 Datasheet, PDF (8/23 Pages) Texas Instruments – 250-MHz, CMOS Transimpedance Amplifier (TIA) with Integrated Switch and Buffer

OPA1S2384
OPA1S2385
SBOS645A – DECEMBER 2012 – REVISED JUNE 2013
www.ti.com
TYPICAL CHARACTERISTICS (continued)
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.
3
V_O = 0.1 V_PP, R_F = 604 W
0
-3
G = -1
-6
G = -5
G = -2
-9
G = -10
-12
-15
100k
1M
10M
100M
1G
Frequency (Hz)
Figure 7. INVERTING SMALL-SIGNAL FREQUENCY
RESPONSE
Time (20 ns/div)
Figure 8. NONINVERTING SMALL-SIGNAL STEP
RESPONSE
3
R_L = 10 kW
0
Time (20 ns/div)
Figure 9. NONINVERTING LARGE-SIGNAL
STEP RESPONSE
9
G = +1
6 V_O = 0.1 V_PP
R_S = 0 W
3
C_L = 100 pF
0
-3
C_L = 47 pF
-6
-9
C_L = 5.6 pF
-12
-15
100k
1M
10M
100M
1G
Frequency (Hz)
Figure 11. FREQUENCY RESPONSE FOR VARIOUS C_L
-3
R_L = 1 kW
-6
R_L = 100 W
-9
G = +1
-12 ^{RF = 0 W}
V_O = 0.1 V_PP
C_L = 0 pF
-15
R_L = 50 W
100k
1M
10M
100M
1G
Frequency (Hz)
Figure 10. FREQUENCY RESPONSE FOR VARIOUS R_L
160
140 ^{For 0.1-dB}
Flatness
120
100
80
60
V_IN
R_S
40
V_O
C_L 1 kW
20
0
1
10
100
1k
Capacitive Load (pF)
Figure 12. RECOMMENDED R_S vs CAPACITIVE LOAD
8
Submit Documentation Feedback
Copyright © 2012–2013, Texas Instruments Incorporated
Product Folder Links: OPA1S2384 OPA1S2385