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參數(shù)資料
| 型號： | LTC1043MJ/883C |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, CDIP18 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 227K |
| 代理商： | LTC1043MJ/883C |
LTC1043
1
1043fa
■
Instrumentation Front End with 120dB CMRR
■
Precise, Charge-Balanced Switching
■
Operates from 3V to 18V
■
Internal or External Clock
■
Operates up to 5MHz Clock Rate
■
Low Power
■
Two Independent Sections with One Clock
The LTC
1043 is a monolithic, charge-balanced, dual
switched capacitor instrumentation building block. A pair
of switches alternately connects an external capacitor to
an input voltage and then connects the charged capacitor
across an output port. The internal switches have a
break-before-make action. An internal clock is provided
and its frequency can be adjusted with an external
capacitor. The LTC1043 can also be driven with an external
CMOS clock.
The LTC1043, when used with low clock frequencies,
provides ultra precision DC functions without requiring
precise external components. Such functions are
differential voltage to single-ended conversion, voltage
inversion, voltage multiplication and division by 2, 3, 4, 5,
etc. The LTC1043 can also be used for precise V–F and
F–V circuits without trimming, and it is also a building
block for switched capacitor filters, oscillators and
modulators.
The LTC1043 is manufactured using Linear Technology’s
enhanced LTCMOS
TM silicon gate process.
Dual Precision
Instrumentation Switched Capacitor
Building Block
, LTC and LT are registered trademarks of Linear Technology Corporation.
DESCRIPTIO
U
■
Precision Instrumentation Amplifiers
■
Ultra Precision Voltage Inverters, Multipliers
and Dividers
■
V–F and F–V Converters
■
Sample-and-Hold
■
Switched Capacitor Filters
Instrumentation Amplifier
CMRR vs Frequency
TYPICAL APPLICATIO
U
LTCMOS is a trademark of Linear Technology Corporation.
FREQUENCY OF COMMON MODE SIGNAL
100
20
CMRR
(dB)
100
120
140
1k
10k
100k
LTC1043 TA02
80
60
40
CS = CH = 1F
LTC1043 TA01
0.01
F
–5V
5V
DIFFERENTIAL
INPUT
12
11
16
4
7
13
17
CS
VOUT
1
F
CH
1
F
R2
R1
3
2
4
1
8
CMRR > 120dB AT DC
CMRR > 120dB AT 60Hz
DUAL SUPPLY OR SINGLE 5V
GAIN = 1 + R2/R1
VOS ≈ 150V
≈ 2V/°C
VOS
T
COMMON MODE INPUT VOLTAGE INCLUDES THE SUPPLIES
1/2 LTC1043
5V
1/2 LTC1013
1
F
(EXTERNAL)
8
14
–
+
FEATURES
APPLICATIO S
U
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| LTC1044ACN8 | 功能描述:IC REG MULTI CONFIG 20MA 8DIP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC |
| LTC1044ACN8#PBF | 功能描述:IC REG MULTI CONFIG 20MA 8DIP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC |
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