參數(shù)資料
型號： LTJD
廠商： Linear Technology Corporation
英文描述： 2.5MHz, Over-The-Top Low Power, Rail-to-Rail Input and Output Op Amp in SOT-23
中文描述： 2.5MHz的，過度的，前低功耗，軌至軌輸入和輸出運算放大器采用SOT - 23
文件頁數(shù)： 1/12頁
文件大?。?/td> 217K
代理商： LTJD
1
LT1784
FEATURES
DESCRIPTIOU
The LT
1784 is a 2.5MHz op amp available in the small
SOT-23 package that operates on all single and split
supplies with a total voltage of 2.5V to 18V. The amplifier
draws less than 750
μ
A of quiescent current and has
reverse battery protection, drawing negligible current for
reverse supply voltages up to 18V.
The input range of the LT1784 includes ground, and a
unique feature of this device is its Over-The-Top
TM
opera-
tion capabilitity 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 LT1784 can drive loads up to 15mA 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 5
μ
A. The
LT1784 op amp is available in the 5- and 6-lead
SOT-23 packages. For applications requiring lower power,
refer to the LT1782 and LT1783 data sheets.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Over-The-Top and ThinSOT are trademarks of Linear Technology Corporation.
APPLICATIU
TYPICAL APPLICATIOU
I
Operates with Inputs Above V
+
I
Rail-to-Rail Input and Output
I
Low Profile (1mm) ThinSOT
TM
Package
I
Gain Bandwidth Product: 2.5MHz
I
Slew Rate: 2.1V/
μ
s
I
Low Input Offset Voltage: 3.5mV Max
I
High Voltage Gain: 1000V/mV
I
Single Supply Input Range: 0V to 18V
I
Specified on 3V, 5V and
±
5V Supplies
I
Reverse Battery Protection to 18V
I
Low Power: 750
μ
A Supply Current Max
I
Output Shutdown on 6-Lead Version
I
High Output Current: 15mA Min
I
Operating Temperature Range: –40
°
C to 85
°
C
I
Portable Instrumentation
I
Battery-Powered Systems
I
Sensor Conditioning
I
Supply Current Sensing
I
MUX Amplifiers
I
4mA to 20mA Transmitters
2.5MHz, Over-The-Top
Low Power, Rail-to-Rail Input
and Output Op Amp in SOT-23
–
+
LT1782
V
CC
SHDN
IN
OUT
1784 TA01
V
EE
R2
9.09k
R1
10k
R3
1k
–
+
LT1784
V
CC
V
CC
A
V
= 2
A
V
= 20
SHDN
V
EE
(
(
)
)
A
V
= 1+
R1 + R2
R3
OR 1+
R1
R2 + R3
Programmable Gain, A
V
= 2, A
V
= 20, 100kHz Amplifier
FREQUENCY (Hz)
G
30
25
20
15
10
5
0
–5
–10
–15
–20
1k
100k
1M
10M
1784 TA01a
10k
A
V
= 20
A
V
= 2
Programmable Gain Amplifier
Frequency Response
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