TYPICAL PERFORMANCE CURVES: V
S
=
±
5V
G = +2, R
F
= 402Ω, R
L
= 100Ω, unless otherwise noted (see Figure 1).
(CONT)
CMR AND PSR vs FREQUENCY
70
65
60
120
OPEN-LOOP TRANSIMPEDANCE GAIN/PHASE
Transimpedance Gain (20dBΩ/div)
–PSR
CMR
100
80
60
40
20
0
Rejection Ratio (dB)
| Z
OL
|
–40
–80
–120
–160
–200
–240
10
9
55
50
45
40
35
30
25
20
10
2
10
3
10
4
10
5
Frequency (Hz)
10
6
10
7
10
8
10
4
10
5
10
6
10
7
10
8
Frequency (Hz)
COMPOSITE VIDEO dG/dP
0.05
Positive Video
Negative Sync
0.04
dP
5
4
TYPICAL DC DRIFT OVER TEMPERATURE
50
Non-Inverting Input Bias Current
40
Input Offset Voltage (mV)
2
1
0
–1
–2
–3
–4
–5
Inverting
V
IO
20
10
0
–10
–20
–30
–40
–50
–40
–20
0
20
40
60
80
100
120
140
Ambient Temperature (°C)
0.03
0.02
0.01
dG
0
1
2
3
4
Number of 150Ω Loads
OUTPUT VOLTAGE AND CURRENT LIMITATIONS
5
4
3
2
V
O
(Volts)
1
0
–1
–2
–3
–4
–5
–300
–200
–100
0
I
O
(mA)
100
200
300
Output Current Limit
1W Internal
Power Limit
100Ω Load Line
1W Internal
Power Limit
1-Channel
Only
Output Current Limited
Supply Current (2.5mA/div)
SUPPLY AND OUTPUT CURRENT vs TEMPERATURE
10
Sourcing Output Current
Sinking Output Current
Output Current (mA)
200
7.5
150
25Ω
Load Line
50Ω Load Line
5
Quiescent Supply Current
100
2.5
50
0
–40
–20
0
20
40
60
80
100
120
140
Ambient Temperature (°C)
0
®
OPA2681
8
Input Bias Currents (µA)
3
30
dG/dP (%/°)
Transimpedance Phase (40°/div)
+PSR
∠
Z
OL
0
BURR-BROWN [ BURR-BROWN CORPORATION ]
