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參數(shù)資料
| 型號： | THS7002PWP |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 70-MHz PROGRAMMABLE-GAIN AMPLIFIERS |
| 中文描述： | 70 - MHz的可編程增益放大器 |
| 文件頁數(shù)： | 12/32頁 |
| 文件大?。?/td> | 597K |
| 代理商： | THS7002PWP |
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THS7001, THS7002
70-MHz PROGRAMMABLE-GAIN AMPLIFIERS
SLOS214B – OCTOBER 1998 – REVISED AUGUST 1999
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 29
THS7002 PREAMP
CHANNEL-TO-CHANNEL
CROSSTALK
–40
–60
100k
10M
100M
–90
C
f – Frequency – Hz
±
15 V &
±
5 V
VCC =
VO(PP) = 1.3 V
RL = 1 k
RF = 499
1M
Preamp–1 Input
Preamp–2 Output
–80
–50
–70
Preamp–2 Input
Preamp–1 Output
Figure 30
PREAMP-TO-PGA CROSSTALK
vs
FREQUENCY
–40
100k
f – Frequency – Hz
Preamp – Input
PGA – Output
C
–50
–60
–70
–80
–90
1M
10M
100M
VCC =
±
15 V &
±
5 V
RL = 1 k
G = 2
RF = 499
G = +2 dB
PGA – Input
Preamp – Output
Figure 31
n
I
PGA INPUT REFERRED VOLTAGE
NOISE
vs
FREQUENCY
10k
1k
100
10
10
100
f – Frequency – Hz
1k
10k
100k
1
G = – 22 dB
G = – 10 dB
G = – 16 dB
G = – 4 dB
G = + 2 dB
G = + 8 dB
G = +14 dB
G = +20 dB
Figure 32
PGA CHANNEL-TO-CHANNEL
GAIN ACCURACY
vs
GAIN SETTING
C
Gain Setting – dB
0.4
0.3
0.2
0.1
0
–0.1
–25 –20 –15 –10 –5
0
5
–0.2
–0.3
–0.4
10
15
20
VCC = 25 C
VCC =
±
5 V
VCC =
±
15 V
Figure 33
–0.4
–0.3
–0.2
–0.1
–0.0
0.1
0.2
0.3
0.4
–40
–20
TA – Free-AiirTemperature –
°
C
0
20
40
60
80
100
NORMALIZED PGA GAIN
ACCURACY
vs
TEMPERATURE
G
VCC=
±
5 V
±
15 V
Typical For All Gains
Figure 34
PGA FREQUENCY RESPONSE
26
2
100k
10M
100M
–28
O
f – Frequency – Hz
1M
G = 1,1,1
–22
20
–4
VCC =
±
15 V
RL = 1 k
VO(PP) =
–16
–10
8
14
1G
G = 1,1,0
G = 1,0,1
G = 1,0,0
G = 0,1,1
G = 0,1,0
G = 0,0,1
G = 0,0,0
Figure 35
PGA FREQUENCY RESPONSE
26
2
100k
10M
100M
–28
O
f – Frequency – Hz
1M
G = 1,1,1
–22
20
–4
VCC =
±
5 V
RL = 1 k
VO(PP) =
–16
–10
8
14
1G
G = 1,1,0
G = 1,0,1
G = 1,0,0
G = 0,1,1
G = 0,1,0
G = 0,0,1
G = 0,0,0
Figure 36
PGA LARGE AND SMALL
SIGNAL FREQUENCY
RESPONSE
100k
10M
100M
V
0
f – Frequency – Hz
1M
1G
12
VO(PP) = 3.2 V
6
VO(PP) = 1.6 V
0
VO(PP) = 0.8 V
–12
VO(PP) = 0.2 V
–6
VO(PP) = 0.4 V
VCC =
±
5 V
RL = 1 k
–18
18
Figure 37
PGA LARGE AND SMALL
SIGNAL FREQUENCY
RESPONSE
100k
10M
100M
V
0
f – Frequency – Hz
1M
12
VO(PP) = 3.2 V
6
VO(PP) = 1.6 V
0
VO(PP) = 0.8 V
–12
VO(PP) = 0.2 V
–6
VO(PP) = 0.4 V
VCC =
±
15 V
RL = 1 k
–18
18
1G
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