OPA2694ID Datasheet, PDF (7/28 Pages) Texas Instruments – Dual, Wideband, Low-Power, Current Feedback Operational Amplifier

OPA2694
www.ti.com
TYPICAL CHARACTERISTICS: V_S = ±5V (continued)
R_F = 402Ω, R_L = 100Ω, and G = +2V/V, unless otherwise noted
SBOS320D − SEPTEMBER 2004 − REVISED APRIL 2013
INPUT VOLTAGE
AND CURRENT NOISE
1k
Noninverting Current Noise (24pA/√Hz)
100
Inverting Current Noise (22pA/√Hz)
10
Voltage Noise (2.1nV/√Hz)
1
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
2−TONE, 3rd−ORDER
INTERMODULATION INTERCEPT
55
P_I
50Ω
50
50Ω
P_O
45
390Ω
50Ω
40
390Ω
35
30
25
20
0
10 20 30 40 50 60 70 80 90 100
Frequency (MHz)
60
50
40
30
20
10
0
10
RECOMMENDED R_S
vs CAPACITIVE LOAD
0dB Peaking Targeted
100
Capacitive Load (pF)
3
0
−3
−6
V_I
−9 _50Ω
−12
−15
−18
1M
FREQUENCY RESPONSE
vs CAPACITIVE LOAD
C_L = 10pF
C_L = 100pF
C_L = 47pF
C_L = 22pF
1/2
OPA2694
390Ω
R_S
V_O
C_L
1kΩ⁽¹⁾
390Ω
NOTE: (1) 1kΩ load is optional
10M
100M
1G
Frequency (Hz)
70
60
50
40
30
20
10
0
100
COMMON−MODE REJECTION RATIO
AND POWER−SUPPLY REJECTION RATIO
vs FREQUENCY
CMRR
+PSRR
−PSRR
1K
10K 100K
1M
10M 100M
Frequency (Hz)
OPEN−LOOP Z_OL
GAIN AND PHASE
120
30
110
0
100
−30
90
−60
< Z_OL
80
−90
70
−120
60
20 log |Z_OL|
−150
50
−180
40
−210
100 1K 10K 100K 1M 10M 100M 1G
Frequency (Hz)
7