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參數(shù)資料
| 型號： | LT1782CS6#TR |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP R-R I/O MICRPWR SOT23-6 |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | Over-The-Top® |
| 放大器類型： | 通用 |
| 電路數(shù)： | 1 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 0.075 V/µs |
| 增益帶寬積： | 225kHz |
| 電流 - 輸入偏壓： | 8nA |
| 電壓 - 輸入偏移： | 500µV |
| 電流 - 電源： | 45µA |
| 電流 - 輸出 / 通道： | 30mA |
| 電壓 - 電源，單路/雙路(±)： | 2.5 V ~ 18 V，±1.25 V ~ 9 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-6 |
| 供應(yīng)商設(shè)備封裝： | TSOT-23-6 |
| 包裝： | 帶卷 (TR) |
LT1782
1
1782fc
TYPICAL APPLICATION
DESCRIPTION
Micropower, Over-The-Top
SOT-23, Rail-to-Rail
Input and Output Op Amp
The LT1782 is a 200kHz op amp available in the small
SOT-23 package that operates on all single and split sup-
plies with a total voltage of 2.5V to 18V. The amplifier
draws less than 55A of quiescent current and has reverse
battery protection, drawing negligible current for reverse
supply voltages up to 18V.
The input range of the LT1782 includes ground, and a
unique feature of this device is its Over-The-Top opera-
tion capability with either or both of its inputs above the
positive rail. The inputs handle 18V both differential and
common mode, independent of supply voltage. The input
stage incorporates phase reversal protection to prevent
false outputs from occurring even when the inputs are 9V
below the negative supply.
The LT1782 can drive loads up to 18mA and still maintain
rail-to-rail capability. A shutdown feature on the 6-lead
version can disable the part, making the output high
impedance and reducing quiescent current to 5A. The
LT1782 op amp is available in the 5- and 6-lead SOT-23
packages. For applications requiring higher speed, refer
to the LT1783.
Positive Supply Rail Current Sense
FEATURES
APPLICATIONS
n
Operates with Inputs Above V+
n
Rail-to-Rail Input and Output
n
Micropower: 55A Supply Current Max
n
Operating Temperature Range: –40°C to 125°C
n
Low Profile (1mm) ThinSOT Package
n
Low Input Offset Voltage: 800V Max
n
Single Supply Input Range: 0V to 18V
n
High Output Current: 18mA Min
n
Specified on 3V, 5V and ±5V Supplies
n
Output Shutdown on 6-Lead Version
n
Reverse Battery Protection to 18V
n
High Voltage Gain: 1500V/mV
n
Gain Bandwidth Product: 200kHz
n
Slew Rate: 0.07V/s
n
Portable Instrumentation
n
Battery- or Solar-Powered Systems
n
Sensor Conditioning
n
Supply Current Sensing
n
Battery Monitoring
n
MUX Amplifiers
n
4mA to 20mA Transmitters
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
ThinSOT and Over-The-Top are trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
Distribution of Input Offset Voltage
–
+
LT1782
ILOAD
VOUT = 2(ILOAD)
0V TO 4.3V
2k
200
1782 TA01a
5V
V+
5V TO 18V
200
0.2
LOAD
MMBT3904
–900 –600 –300
0
300
600
900
PERCENTAGE
OF
AMPLIFIERS
INPUT OFFSET VOLTAGE (V)
1782 TA01b
25
20
15
10
5
0
VS = 5V, 0V
VCM = 2.5V
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