TYPICAL CHARACTERISTICS: VS = ±5V (Cont.)
TA = +25°C, G = +2, RF = 953Ω, and RL = 1kΩ, unless otherwise noted.
2-TONE, 3RD-ORDER
INTERMODULATION DISTORTION
INPUT VOLTAGE AND CURRENT NOISE DENSITY
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
100
10
1
fO = 20MHz
+5V
Inverting Current Noise
11.6pA/√Hz
PI
f
O = 10MHz
fO = 5MHz
PO
OPA2683
50Ω
Noninverting Current Noise
5.2pA/√Hz
1kΩ
–5V
953Ω
953Ω
Voltage Noise
4.4nV/√Hz
f
O = 1MHz
100
1k
10k
100k
1M
10M
0.1
1
2
Frequency (Hz)
VPP at 1kΩ Load (Each tone)
RS vs CLOAD
SMALL-SIGNAL BANDWIDTH vs CLOAD
50
45
40
35
30
25
20
15
10
5
9
6
10pF
0.5dB Peaking
22pF
RS Adjusted to CLOAD
+5V
100pF
3
RS
VI
VO
OPA2683
47pF
50Ω
CL
1kΩ
0
–5V
953Ω
–3
–6
953Ω
0
100k
1M
10M
Frequency (Hz)
100M 1G
1
10
100
CLOAD (pF)
OPEN-LOOP TRANSIMPEDANCE GAIN AND PHASE
20log (ZOL
CMRR AND PSRR vs FREQUENCY
CMRR
120
0
70
60
50
40
30
20
10
0
)
100
80
60
40
20
0
–30
–60
–90
–120
–150
–180
+PSRR
–PSRR
ZOL
10k
100k
1M
10M
100M
1G
100
1k
10k
100k
1M
10M
100M
Frequency (Hz)
Frequency (Hz)
OPA2683
SBOS244H
7
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TI [ TEXAS INSTRUMENTS ]
