THS4221 Datasheet, PDF (13/41 Pages) Texas Instruments – LOW-DISTORTION, HIGH-SPEED, RAIL-TO-RAIL OUTPUT OPERATIONAL AMPLIFIERS

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COMMON-MODE REJECTION RATIO
vs
INPUT COMMON-MODE RANGE
100
90
80
70
60
50
40
30
20
10
V_S = ±5 V
T_A = 25°C
0
−6 −4 −2 0
2
4
6
V_ICR − Input Common-Mode Voltage Range − V
Figure 22
INPUT BIAS AND OFFSET CURRENT
vs
CASE TEMPERATURE
0.84
10
V_S = 5 V
0.82
5
0.8
I_OS
0.78
0.76
0
I_IB+
−5
I_IB−
−10
0.74
−15
0.72
−20
0.7
−25
−40−30−20−10 0 10 20 30 40 50 60 70 80 90
Case Temperature − °C
Figure 24
THS4221, THS4225
THS4222, THS4226
SLOS399G − AUGUST 2002 − REVISED JANUARY 2004
INPUT OFFSET VOLTAGE
vs
CASE TEMPERATURE
4
3.5
3
2.5
V_S = 5 V
2
1.5
1
V_S = ±5 V
0.5
0
−40−30−20−10 0 10 20 30 40 50 60 70 80 90
Case Temperature − °C
Figure 23
INPUT BIAS AND OFFSET CURRENT
vs
CASE TEMPERATURE
0.9
5
V_S = ±5 V
0.88
0
I_OS
0.86
−5
0.84
I_IB+
−10
0.82
−15
0.8
−20
I_IB−
0.78
−25
0.76
−30
−40−30−20−10 0 10 20 30 40 50 60 70 80 90
Case Temperature − °C
Figure 25
POWER-DOWN QUIESCENT CURRENT
vs
SUPPLY VOLTAGE
1000
900
800
T_A = 85°C
700
T_A = 25°C
600
500
T_A = −40°C
400
300
200
100
0
1.5 2 2.5
3 3.5 4
4.5 5
V_S − Supply Voltage − ±V
Figure 26
OUTPUT IMPEDANCE IN POWER DOWN
vs
FREQUENCY
3200
2800
2400
2000
Gain = 2
R_L = 499 Ω
R_f = 1.5 kΩ
P_IN = 1 dBm
V_S = ±5 V
1600
1200
800
400
0
0.1
1
10
100
1k
f − Frequency − MHz
Figure 27
CROSSTALK
vs
FREQUENCY
120
100
PD Crosstalk
80
all Channels
60
V_S = ±5 V, 5 V, and 3.3 V
Gain = 1
40 _{RL = 499 Ω}
V_IN= −1 dB
20 TA = 25°C
Crosstalk all Channels
0
0.1
1
10
100
1k
f − Frequency − MHz
Figure 28
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