OPA2889 Datasheet, PDF (9/38 Pages) Burr-Brown (TI) – Dual, Low-Power, Wideband, Voltage Feedback OPERATIONAL AMPLIFIER with Disable

OPA2889
www.ti.com ....................................................................................................................................................... SBOS373B – JUNE 2007 – REVISED AUGUST 2008
TYPICAL CHARACTERISTICS: V_S = ±5V (continued)
At T_A = +25°C, G = +2V/V, R_F = 750Ω, and R_L = 100Ω, unless otherwise noted. See Figure 50.
LOW-FREQUENCY INVERTING HARMONIC DISTORTION
-85
R_L = 500W
-90 ^VO ^{= 2V}PP
G = -1V/V
-95
-100
-105
2nd Harmonic
-110
-115
3rd Harmonic
-120
1k
10k
100k
1M
Frequency (Hz)
Figure 13.
RECOMMENDED R_S vs CAPACITIVE LOAD
100
10
1
1
10
100
1000
Capacitive Load (pF)
Figure 15.
COMMON-MODE REJECTION RATIO AND POWER-SUPPLY
REJECTION RATIO vs FREQUENCY
80
-PSRR
70
+PSRR
60
CMRR
50
40
30
20
10
0
1k
10k
100k
1M
10M
100M
Frequency (Hz)
Figure 17.
TWO-TONE, 3RD-ORDER INTERMODULATION SPURIOUS
-40
5MHz
-50
-60
-70
1MHz
-80
500kHz
-90
Load Power at Matched 50W Load
-100
-8 -6 -4 -2 0
2
4
6
8
Single-Tone Load Power (dBm)
Figure 14.
FREQUENCY RESPONSE vs CAPACITIVE LOAD
9
VIN
1/2
RS
6
OPA2889
VOUT
CL
1kW⁽¹⁾
750W
3
750W
NOTE: (1) 1kW is optional.
0
-3
-6
C_L = 47pF
-9
C_L = 100pF
-12
C_L = 10pF
C_L = 22pF
-15
0
20 40 60 80 100 120 140 160 180
Frequency (MHz)
Figure 16.
INPUT VOLTAGE AND CURRENT NOISE
100
Input Voltage Noise (8.4nV/ÖHz)
10
1
Input Current Noise (0.7pA/ÖHz)
0.1
100
1k
10k 100k
1M
10M 100M
Frequency (Hz)
Figure 18.
Copyright © 2007–2008, Texas Instruments Incorporated
Product Folder Link(s): OPA2889
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