OPA3680 Burr-Brown, OPA3680 Datasheet - Page 7

• Manufacturer Part Number: OPA3680
• Description: Triple / Wideband / Voltage-Feedback OPERATIONAL AMPLIFIER With Disable
• Manufacturer: Burr-Brown

TYPICAL PERFORMANCE CURVES: V
At T
A
100
100
= +25 C, G = +2, R
10
35
30
25
20
15
10
90
80
70
60
50
40
30
20
10
1
5
0
0
100
10k
10
INPUT VOLTAGE AND CURRENT NOISE DENSITY
+PSRR
CMRR
RECOMMENDED R
1k
CMRR AND PSRR vs FREQUENCY
100k
F
–PSRR
= 250 , and R
Voltage Noise
Capacitive Load (pF)
Current Noise
10k
Frequency (Hz)
Frequency (Hz)
S
1M
vs CAPACITIVE LOAD
L
100k
= 100 , unless otherwise noted. See Figure 1.
10M
1M
4.8nV/ Hz
2.5pA/ Hz
100M
10M
100
7
–40
–50
–60
–70
–80
–90
–12
–15
–18
–10
–20
12
–3
–6
–9
70
60
50
40
30
20
10
9
6
3
0
0
S
10k
–8
0
V
250
Open-Loop Gain
Signal Gain = +2
= 5V
Noise Gain = +3
IN
FREQUENCY RESPONSE vs CAPACITIVE LOAD
–6
TWO-TONE, 3rd-ORDER SPURIOUS LEVEL
250
OPA3680
100k
250
1/3
–4
OPEN-LOOP GAIN AND PHASE
Single-Tone Load Power (dBm)
Load Power at matched 50 load
50MHz
1k
Frequency (20MHz/div)
–2
R
C
is optional
S
Frequency (Hz)
L
1M
100MHz
0
OPA3680
100pF/20
1k
2
V
20MHz
10M
10MHz
O
Open-Loop Phase
4
47pF/26.7
100M
6
10pF/22.2
22pF/32.4
8
200MHz
1G
10
0
–30
–60
–90
–120
–150
–180
–210
–240
–270
®