Datasheet

OPA2677
7
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.
MAXIMUM OUTPUT SWING
vs LOAD RESISTANCE
Load Resistance (Ω)
10
6
5
4
3
2
1
0
–1
–2
–3
–4
–5
–6
100 1000
Output Voltage (V)
See Figure 1
OUTPUT VOLTAGE AND CURRENT LIMITATIONS
I
O
(mA)
–600
6
5
4
3
2
1
0
–1
–2
–3
–4
–5
–6
0 200 400–200–400 600
V
O
(V)
R
L
= 10Ω
R
L
= 25Ω
R
L
= 50Ω
R
L
= 100Ω
1W Internal Power
Single Ch
1W Internal Power
Single Ch
INPUT VOLTAGE AND CURRENT NOISE DENSITY
Frequency (Hz)
100
100
10
1
100k 1M10k1k 10M
Voltage Noise nV/√Hz
Current Noise pA/√Hz
Inverting Current Noise
24pA/√Hz
16pA/√Hz
2nV/√Hz
Voltage Noise
Noninverting Current Noise
CHANNEL-TO-CHANNEL CROSSTALK
Frequency (Hz)
1M 10M 100M
–60
–65
–70
–75
–80
–85
–90
–95
–100
Crosstalk, Input Referred (dB)
Input Referred
RECOMMENDED R
S
vs CAPACITIVE LOAD
Capacitive Load (pF)
1 10 100 1000
90
80
70
60
50
40
30
20
10
0
R
S
(Ω)
FREQUENCY RESPONSE vs CAPACITIVE LOAD
Frequency (Hz)
1M
2
0
–2
–4
–6
–8
–10
10M 100M 1G
Normalized Gain to Capacitive
Load (dB)
C
L
= 10pF
C
L
= 22pF
C
L
= 100pF
C
L
= 47pF
1/2
OPA2677
402Ω
R
S
133Ω
1kΩC
L
1kΩ is optional.