THS7001_16 Datasheet, PDF (9/41 Pages) Texas Instruments – 70-MHz PROGRAMMABLE-GAIN AMPLIFIERS

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THS7001, THS7002
70ĆMHz PROGRAMMABLEĆGAIN AMPLIFIERS
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SLOS214C − OCTOBER 1998 − REVISED MARCH 2007
TYPICAL CHARACTERISTICS
INPUT OFFSET VOLTAGE
vs
FREE-AIR TEMPERATURE
3.5
3
PGA
2.5
VCC = ±5 V
2
PGA
VCC = ±15 V
1.5
Preamp
1
Preamp
VCC = ±5 V
VCC = ±15 V
0.5
0
−40 −20 0 20 40 60 80 100
TA − Free-AIR Temperature − _C
Figure 3
STANDBY SUPPLY CURRENT
vs
FREE-AIR TEMPERATURE
2
PGA − ICC
1.5
Preamp − ICC
1
Preamp − IEE
0.5
PGA − IEE
0
−0.5
VCC = ±15 V
−40 −20 0 20 40 60 80 100
TA − Free-Air Temperature − _C
Figure 4
PSRR
vs
FREQUENCY
120
Preamp - VCC + & VCC −
100
80
60 PGA - VCC +
40
PGA - VCC −
20 _{VCC = ±15 V & ±5 V}
0
10 100
1k 10k 100k 1M 10M 100M
f − Frequency − Hz
Figure 6
PREAMP INPUT COMMON-MODE
VOLTAGE RANGE
vs
SUPPLY VOLTAGE
15
TA = 25 _C
13
11
9
7
5
3
5
7
9
11
13
15
±VCC − Supply Voltage − V
Figure 9
INPUT BIAS CURRENT
vs
FREE-AIR TEMPERATURE
3
2.5
Pre−Amp: VCC = ±15 V
2
Pre−Amp: VCC = ±5 V
1.5
1 _{PGA: VCC = ±15 V and ±5 V}
0.5
0
−40 −20 0 20 40 60 80 100
TA − Free-Air Temperature − _C
Figure 7
PREAMP OUTPUT VOLTAGE
vs
SUPPLY VOLTAGE
14
TA = 25° C
12
RL = 1 kΩ
10
RL = 250 Ω
8
6
4
2
5
7
9
11
13
15
± VCC − Supply Voltage − V
Figure 10
QUIESCENT SUPPLY CURRENT
vs
FREE-AIR TEMPERATURE
9
Per Channel
8
Preamp
VCC = ±15 V
7
6
Preamp
VCC = ±5 V
5
PGA
VCC = ±15 V
4
PGA
VCC = ±5 V
3
−40 −20 0 20 40 60 80 100
TA − Free-Air Temperature − _C
Figure 5
CLOSED-LOOP OUTPUT
IMPEDANCE vs
FREQUENCY
100
VCC = ±15 V & ±5 V
V|(PP)= 2 V
10
PGA: G = +20 dB
1
PGA: G = −22 dB
0.1
0.01
100k
Preamp: G = +2
1M
10M
f − Frequency − Hz
Figure 8
100M
500M
PREAMP CMRR
vs
FREQUENCY
100
80
60
40
20
VCC = ±15 V and ±5 V
0
100 1k 10k 100k 1M
10M 100M
f − Frequency − Hz
Figure 11
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