參數(shù)資料
型號: LT1490AIS8
廠商: LINEAR TECHNOLOGY CORP
元件分類: 運動控制電子
英文描述: JT 55C 55#22M PIN PLUG
中文描述: DUAL OP-AMP, 1100 uV OFFSET-MAX, 0.2 MHz BAND WIDTH, PDSO8
封裝: 0.150 INCH, PLASTIC, SOP-8
文件頁數(shù): 1/12頁
文件大?。?/td> 201K
代理商: LT1490AIS8
1
LT1490A
Dual Over-The-Top
Micropower Rail-to-Rail
Input and Output Op Amp
DESCRIPTIOU
I
Low Input Offset Voltage: 500
μ
V Max
I
Output Swings to 10mV Max from V
I
Rail-to-Rail Input and Output
I
Micropower: 50
μ
A/Amplifier Max
I
MSOP Package
I
Over-The-Top
TM
Input Common Mode Range Extends
44V Above V
, Independent of V
+
I
Specified on 3V, 5V and
±
15V Supplies
I
High Output Current: 20mA
I
Output Drives 10,000pF with Output Compensation
I
Reverse Battery Protection to 18V
I
No Supply Sequencing Problems
I
High Voltage Gain: 1500V/mV
I
High CMRR: 98dB
I
No Phase Reversal
I
Gain Bandwidth Product: 200kHz
APPLICATIU
The LT
1490A is an enhanced version of the popular LT1490
op amp with improved input offset voltage (500
μ
V max) and
output voltage swing (10mV max from V
). It is recom-
mended for all new designs. The LT1490A operates on all
single and split supplies with a total voltage of 2V to 44V,
drawing only 40
μ
A of quiescent current per amplifier. It is
reverse supply protected; it draws virtually no current for
reverse supply up to 18V. The input range of the LT1490A
includes both supplies and the output swings to both sup-
plies. Unlike most micropower op amps, the LT1490A can
drive heavy loads; its rail-to-rail output drives 20mA. The
LT1490A is unity-gain stable and drives all capacitive loads
up to 10,000pF when optional 0.22
μ
F and 150
compensa-
tion is used.
The LT1490A has a unique input stage that operates and
remains high impedance when above the positive supply.
The inputs take 44V both differential and common mode
even when operating on a 3V supply. Built-in resistors
protect the inputs for faults below the negative supply up to
15V. There is no phase reversal of the output for inputs 15V
below V
or 44V above V
, independent of V
+
.
The LT1490A dual op amp is available in the 8-pin MSOP,
PDIP and SO packages.
I
Battery- or Solar-Powered Systems
Portable Instrumentation
Sensor Conditioning
I
Supply Current Sensing
I
Battery Monitoring
I
Micropower Active Filters
I
4mA to 20mA Transmitters
Battery Monitor
+
+
RA
2k
Q2
2N3904
S1
S1 = OPEN, GAIN = 1
S1 = CLOSED, GAIN = 10
R
A
= R
V
S
= 5V, 0V
10k
90.9k
V
OUT
LOGIC
14901A TA01
LOGIC HIGH (5V) = CHARGING
LOGIC LOW (0V) = DISCHARGING
R
G
10k
Q1
2N3904
R
S
0.2
CHARGER
VOLTAGE
1/2 LT1490A
1/2 LT1490A
R
A
2k
R
B
2k
V
BATT
= 12V
I
BATT
+
R
B
2k
LOAD
1/2 LT1490A
+
+
OUT
S
)(R
G
/R
A
)(GAIN)
V
OUT
GAIN
I
BATT
= (R
1/2 LT1490A
, LTC and LT are registered trademarks of Linear Technology Corporation.
Over-The-Top is a trademark of Linear Technology Corporation.
FEATURES
TYPICAL APPLICATIO
U
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1490AIS8#PBF 功能描述:IC OPAMP DUAL R-R MCRPWR 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:Over-The-Top® 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源,單路/雙路(±):3 V ~ 32 V,±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP(0.173",4.40mm 寬) 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR
LT1490AIS8#TR 功能描述:IC OPAMP DUAL R-R MCRPWR 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:Over-The-Top® 標(biāo)準(zhǔn)包裝:50 系列:LinCMOS™ 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.05 V/µs 增益帶寬積:110kHz -3db帶寬:- 電流 - 輸入偏壓:0.7pA 電壓 - 輸入偏移:210µV 電流 - 電源:57µA 電流 - 輸出 / 通道:30mA 電壓 - 電源,單路/雙路(±):3 V ~ 16 V,±1.5 V ~ 8 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:管件 產(chǎn)品目錄頁面:865 (CN2011-ZH PDF) 其它名稱:296-1834296-1834-5
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