THS4281_14 Datasheet, PDF (10/38 Pages) Texas Instruments – VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMPLIFIER

THS4281
SLOS432A – APRIL 2004 – REVISED NOVEMBER 2009
QUIESCENT CURRENT
vs
SUPPLY VOLTAGE
1000
T_A = 85°C
900
T_A = 25°C
800
T_A = −40°C
700
600
500
3 4 5 6 7 8 9 10 11 12 13 14 15
V_CC − Supply Voltage − V
Figure 1.
TYPICAL CHARACTERISTICS
(V_S = 3 V, V_S = 5 V)
INPUT OFFSET VOLTAGEvs
COMMON-MODE INPUT VOLTAGE
1
0.5
0
−0.5
−1
−1.5
−2
V_S = 3 V
V_S = 5 V
−2.5
−1 0 1 2 3 4 5 6
V_ICR − Common-Mode Input Voltage − V
Figure 2.
(V_S = 15 V)
INPUT OFFSET VOLTAGE vs
COMMON-MODE INPUT VOLTAGE
1
0.5
V_S = 15 V
0
−0.5
−1
−1.5
−2
−2.5
−1 0 2 4 6 8 10 12 14 16
V_ICR − Common-Mode Input Voltage − V
Figure 4.
POSITIVE VOLTAGE HEADROOM
vs
SOURCE CURRENT
4
Load Tied to V_S/2
3.5
±5 V
3
15 V
2.5
2
5V
1.5
1
0.5
0
0
10 20 30 40 50 60
+Iout − Source Current − mA
Figure 5.
(V_S = 5 V)
OUTPUT VOLTAGE vs
LOAD RESISTANCE
5
4.5
4
V_S = 5 V
3.5
Load Tied to V_S/2
3
2.5
2
1.5
1
0.5
0
10
100
1k
10 k
R_L − Load Resistance − Ω
Figure 7.
(V_S = ±5 V)
OUTPUT VOLTAGE vs
LOAD RESISTANCE
5
4
3
V_S = ±5 V
Load Tied to GND
2
1
0
−1
−2
−3
−4
−5
10
100
1k
10 k
R_L − Load Resistance − Ω
Figure 8.
www.ti.com
(V_S = ±5 V)
INPUT OFFSET VOLTAGE vs
COMMON-MODE INPUT VOLTAGE
1
0.5
V_S = ±5 V
0
−0.5
−1
−1.5
−2
−2.5
−6 −5 −4 −3 −2 −1 0 1 2 3 4 5 6
V_ICR − Common-Mode Input Voltage − V
Figure 3.
NEGATIVE VOLTAGE HEADROOM
vs
SINK CURRENT
4
Load Tied to V_S/2
3.5
±5 V
3
15 V
2.5
2
1.5
5V
1
0.5
0
0
10 20 30 40 50 60
−Iout − Sink Current − mA
Figure 6.
(V_S = 15 V)
OUTPUT VOLTAGE vs
LOAD RESISTANCE
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
10
V_S = 15 V
Load Tied to V_S/2
100
1k
10 k
R_L − Load Resistance − Ω
Figure 9.
10
Submit Documentation Feedback
Product Folder Link(s): THS4281
Copyright © 2004–2009, Texas Instruments Incorporated