參數(shù)資料
型號: THS4271DGKR
廠商: Texas Instruments, Inc.
英文描述: LOW NOISE, HIGH SLEW RATE, UNITY GAIN STABLE VOLTAGE FREEBACK AMPLIFIER
中文描述: 低噪聲,高擺率,單位增益穩(wěn)定電壓留言反饋放大器
文件頁數(shù): 11/38頁
文件大小: 1055K
代理商: THS4271DGKR
SLOS397E JULY 2002 REVISED JANUARY 2004
www.ti.com
11
Figure 19
0
0.005
0.010
0.015
0.020
0.025
0.030
0
1
2
3
4
5
6
7
8
Number of Loads 150
D
DIFFERENTIAL GAIN
vs
NUMBER OF LOADS
Gain = 2
Rf = 1.3 k
VS =
±
5 V
40 IRE NTSC and Pal
Worst Case
±
100 IRE Ramp
NTSC
PAL
Figure 20
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0
1
2
3
4
5
6
7
8
Number of Loads 150
D
DIFFERENTIAL PHASE
vs
NUMBER OF LOADS
Gain = 2
Rf = 1.3 k
VS =
±
5 V
40 IRE NTSC and Pal
Worst Case
±
100 IRE Ramp
NTSC
PAL
°
Figure 21
3
2
1
0
1
2
3
0
5
10
15
20
25
t Time ns
VO
SETTLING TIME
Gain = 1
RL = 499
Rf = 249
f= 1 MHz
VS =
±
5 V
Rising Edge
Falling Edge
Figure 22
0
5
10
15
20
25
30
2
2.5
3
3.5
4
4.5
5
TA = 40
°
C
VS Supply Voltage
±
V
Q
QUIESCENT CURRENT
vs
SUPPLY VOLTAGE
TA = 85
°
C
TA = 25
°
C
Figure 23
5
4
3
2
1
0
1
2
3
4
5
10
100
1 k
10 k
RL Load Resistance
VO
OUTPUT VOLTAGE
vs
LOAD RESISTANCE
VS =
±
5 V
TA = 40 to 85
°
C
Figure 24
3
2.5
2
1.5
1
0.5
0
0.5
1 M
10 M
100 M
Capacitive Load Hz
N
FREQUENCY RESPONSE
vs
CAPACITIVE LOAD
RL = 499
VS =
±
5 V
R(ISO) = 25
CL = 10 pF
R(ISO) = 15
CL = 100 pF
R(ISO) = 10
CL = 50 pF
Figure 25
10
0
10
20
30
40
50
60
70
80
10 k
100 k
1 M
10 M
100 M
1 G
180
160
140
120
100
80
60
40
20
0
O
OPEN-LOOP GAIN AND PHASE
vs
FREQUENCY
f Frequency Hz
VS =
±
5 V
P
°
Gain
Phase
Figure 26
50
55
60
65
70
75
80
85
2.5
3
3.5
4
4.5
5
O
OPEN-LOOP GAIN
vs
CASE TEMPERATURE
Case Temperature
°
C
TA = 40
°
C
TA = 25
°
C
TA = 85
°
C
Figure 27
0
10
20
30
40
50
60
70
80
90
100
10 k
100 k
1 M
10 M
100 M
CMRR
PSRR+
VS =
±
5 V
R
REJECTION RATIOS
vs
FREQUENCY
f Frequency Hz
PSRR
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