Datasheet

OPA2677
8
SBOS126I
www.ti.com
TYPICAL CHARACTERISTICS: V
S
= ±6V (Cont.)
At T
A
= +25°C, G = +4, R
F
= 402Ω, and R
L
= 100Ω, unless otherwise noted.
CMRR AND PSRR vs FREQUENCY
Frequency (Hz)
1k
70
60
50
40
30
20
10
0
10k 100k 1M 10M 100M
Power-Supply Rejection Ratio (dB)
Common-Mode Rejection Ratio (dB)
CMRR
–PSRR
+PSRR
OPEN-LOOP TRANSIMPEDANCE GAIN AND PHASE
Frequency (Hz)
10k 100k 1M 10M 100M 1G
120
100
80
60
40
20
0
Transimpedance Gain (20dBΩ/div)
0
–45
–90
–135
–180
–225
–270
Transimpedance Phase (45°/div)
CLOSED-LOOP OUTPUT IMPEDANCE
vs FREQUENCY
Frequency (Hz)
10k 100k 1M 10M 100M 1G
100
10
1
0.1
0.01
0.001
Output Impedance Magnitude (Ω)
COMPOSITE VIDEO dG/dφ
Number of 150Ω Loads
12345678910
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0
dG/dφ (%/°)
G = +2
R
F
= 475Ω
V
S
= ±5V
dφ, Negative Video
dφ, Positive Video
dG, Positive Video
dG, Negative Video
8
6
4
2
0
–2
–4
–6
–8
NONINVERTING OVERDRIVE RECOVERY
Time (20ns/div)
Output Voltage (2V/div)
4
3
2
1
0
–1
–2
–3
–4
Input Voltage (1V/div)
G = +4
R
L
= 100Ω
See Figure 1
Input
Output
8
6
4
2
0
–2
–4
–6
–8
INVERTING OVERDRIVE RECOVERY
Time (20ns/div)
Output Voltage (2V/div)
4
3
2
1
0
–1
–2
–3
–4
Input Voltage (1V/div)
Input
Output See Figure 2
G = –4
R
L
= 100Ω