參數(shù)資料
型號(hào): TLV2780CDBVRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 運(yùn)算放大器
英文描述: OP-AMP, 4500 uV OFFSET-MAX, 8 MHz BAND WIDTH, PDSO6
封裝: GREEN, PLASTIC, SOT-23, 6 PIN
文件頁(yè)數(shù): 4/44頁(yè)
文件大小: 1563K
代理商: TLV2780CDBVRG4
TLV2780, TLV2781, TLV2782, TLV2783, TLV2784, TLV2785, TLV278xA
FAMILY OF 1.8 V HIGHSPEED RAILTORAIL INPUT/OUTPUT
OPERATIONAL AMPLIFIERS WITH SHUTDOWN
SLOS245E MARCH 2000 REVISED JANUARY 2005
12
WWW.TI.COM
TYPICAL CHARACTERISTICS
Figure 24
140
120
100
80
60
40
20
0
10
100
1 k
10 k
100 k
Crosstalk in Shutdown
VDD = 1.8 V & 2.7 V
VIC = 60% of VDD
AV = 1
RL= 2 k
TA = 25°C
All Channels
CROSSTALK
vs
FREQUENCY
f Frequency Hz
Crosstalk
dB
Crosstalk/No Shutdown
Figure 25
0
20
40
60
80
100
120
140
10
100
1 k
10 k
100 k
1 M
10 M
Forward and Reverse Isolation
VDD = 1.8 & 2.7 V
VIC = VDD /2
RL = 2 k
CL= 10 pF
AV = 1
TA = 25°C
SHUTDOWN FORWARD
AND REVERSE ISOLATION
vs
FREQUENCY
f Frequency Hz
Shutdown
Forward
Isolation
-
dB
Figure 26
0
0.5
1
1.5
2.0
2.5
3
40 25 10 5
20 35 50 65 80 95 110 125
SHUTDOWN SUPPLY CURRENT
vs
FREE-AIR TEMPERATURE
TA Free-Air Temperature °C
Shutdown = 0V
VIC = VDD/2
AV = 1
DD
I
Shutdown
Supply
Current
A
VDD = 2.7 V
VDD= 3.6 V
VDD = 1.8 V
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
2.2
2.4
2.6
0
0.4 0.8 1.2 1.6
2
2.4 2.8
3.2 3.6
Supply
Current
SHUTDOWN SUPPLY CURRENT
vs
SUPPLY VOLTAGE
I DD
A
Shutdown = 0 V
VIC = VDD/2
AV = 1
VDD Supply Voltage V
TA = 125°C
TA = 25°C
TA = 40°C
Figure 27
1
0
1
2
3
4
5
SHUTDOWN SUPPLY CURRENT / OUTPUT VOLTAGE
vs
TIME
67
8
10
Shutdown
Current
I
DD(SD)
SD
Shutdown
Pulse
V
9
t Time
sec
SD
VDD = 2.7 V
AV = 1
RL = 10 k
CL = 10 pF
VIC = VDD/2
TA = 25° C
IDD(SD)
VO
1.5
0.0
0.3
0.5
0.8
1.0
1.3
1.5
0.0
0.3
0.5
0.8
1.0
1.3
1.8
Figure 28
3.0
0.0
0.5
1.0
1.5
2.0
2.5
Output
V
oltage
mV
V
O
A
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