OPA625 Datasheet, PDF (13/44 Pages) Texas Instruments – OPAx625 High-Bandwidth, High-Precision, Low THD+N,16-Bit and 18-Bit Analog-to-Digital Converter (ADC) Drivers

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OPA625, OPA2625
SBOS688 – APRIL 2015
Typical Characteristics (continued)
At T_A = 25°C, V+ = 5 V, V– = 0 V, MODE = V–, V_COM = V_O = 2.5 V, G = 2, R_F = 1 kΩ, C_F= 2.7 pF, C_LOAD= 20 pF, and R_LOAD =
2 kΩ connected to 2.5 V (unless otherwise noted)
160
225
1000
120
180
100
80
135
40
90
0
±^-4400
00..0011 00..110
Gain
45
Phase
00
11 1100 110000 11kk 1100kk 100k 1010M0k11000M001k100000M00k
Frequency (Hz)
C024
V_O = 10 mV_PP
Figure 8. High-Drive Mode Open-Loop Gain and Phase vs
Frequency
120
210
100
180
80
150
60
120
40
90
20
0
±^-2200
0.01 00..110
60
Gain
30
Phase
00
1 10 100 1k 10k 100k 1101M0M0k11000MM00k
Frequency (Hz)
C024
V_O = 10 mV_PP , V_MODE = 5 V
Figure 10. Low-Power Mode Open-Loop Gain and Phase vs
Frequency
140
120
100
80
60
40
20
0
1 10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
C025
10
1
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
Figure 9. High-Drive Mode Open-Loop Output Impedance vs
Frequency
1000
100
10
1
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
Figure 11. Low-Power Mode Open-Loop Output Impedance
vs Frequency
140
120
100
80
60
40
20
0
1
PSRR+
PSRR-
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
C025
Figure 12. Common-Mode Rejection Ratio vs Frequency
Figure 13. Power-Supply Rejection Ratio vs Frequency
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