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參數資料
| 型號： | LT1457S8#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數： | 2/8頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC PREC OP-AMP JFET DUAL 8-SOIC |
| 標準包裝： | 2,500 |
| 放大器類型： | J-FET |
| 電路數： | 2 |
| 轉換速率： | 4 V/µs |
| 增益帶寬積： | 1.7MHz |
| 電流 - 輸入偏壓： | 7pA |
| 電壓 - 輸入偏移： | 220µV |
| 電流 - 電源： | 1.8mA |
| 電壓 - 電源，單路/雙路(±)： | ±4.5 V ~ 18 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SO |
| 包裝： | 帶卷 (TR) |
2
LT1457
LT1457ACN8
LT1457CN8
ORDER PART
NUMBER
Supply Voltage ......................................................
±20V
Differential Input Voltage .......................................
±40V
Input Voltage .......................... Equal to Supply Voltages
Output Short-Circuit Duration .......................... Indefinite
Operating Temperature Range ................ – 40
°C to 85°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
ABSOLUTE MAXIMUM RATINGS
W
WW
U
PACKAGE/ORDER INFORMATION
W
U
LT1457S8
8
7
6
5
4
3
2
1
–IN A
+IN A
V+
TOP VIEW
N8 PACKAGE
8-LEAD PLASTIC DIP
OUT A
OUT B
V–
–IN B
+IN B
A
B
TJMAX = 115°C, θJA = 130°C/ W
8
7
6
5
4
3
2
1
V –
+IN B
–IN A
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SOIC
+IN A
OUT A
–IN B
V+
OUT B
B
A
NOTE: THIS PIN CONFIGURATION DIFFERS FROM
THE 8-LEAD DIP PIN LOCATIONS. INSTEAD, IT
FOLLOWS THE INDUSTRY STANDARD LT1013DS8
SO PACKAGE CONFIGURATION.
TJMAX = 130°C, θJA = 190°C/ W
S8 PART MARKING
1457
Consult factory for Industrial and Military grade parts.
LT1457AC
LT1457C/LT1457S8
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
VOS
Input Offset Voltage
LT1457AC/C
150
450
200
800
V
LT1457S8
220
1200
V
IOS
Input Offset Current
Fully Warmed Up
3
40
4
50
pA
IB
Input Bias Current
Fully Warmed Up
±5
±50
±7
±75
pA
Input Resistance -Differential
1012
-Common-Mode
VCM = –11V to 8V
1012
VCM = 8V to 11V
1011
Input Capacitance
4
pF
en
Input Noise Voltage
0.1Hz to 10Hz
2.0
2.1
VP–P
en
Input Noise Voltage Density
fO = 10Hz
26
28
nV/
√Hz
fO = 1kHz (Note 2)
13
22
14
24
nV/
√Hz
in
Input Noise Current Density
fO = 10Hz, 1kHz (Note 3)
1.5
4
1.8
6
fA/
√Hz
AVOL
Large-Signal Voltage Gain
VO = ±10V, RL = 2k
150
350
100
300
V/mV
VO = ±10V, RL = 1k
120
250
80
220
V/mV
Input Voltage Range
±10.5 14.3
±10.5
14.3
V
–11.5
V
CMRR
Common-Mode Rejection Ratio
VCM = ±10.5V
86
100
82
98
dB
PSRR
Power Supply Rejection Ratio
VS = ±4.5V to ±18V
88
103
86
102
dB
VOUT
Output Voltage Swing
RL = 2k
±12
±13
±12
±13
V
SR
Slew Rate
2
4
2
4
V/
s
VS = ±15V, TA = 25°C,VCM = 0V unless otherwise noted. (Note 1)
ELECTRICAL CHARACTERISTICS
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