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參數(shù)資料
| 型號： | LT1990 |
| 廠商： | Linear Technology Corporation |
| 元件分類： | 運動控制電子 |
| 英文描述： | 250V Input Range G = 1, 10, Micropower, Difference Amplifier |
| 中文描述： | 250V輸入范圍增益\u003d 1，10，微功耗，差分放大器 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 222K |
| 代理商： | LT1990 |
LT1990
1
1990f
■
Battery Cell Voltage Monitoring
■
High Voltage Current Sensing
■
Signal Acquisition in Noisy Environments
■
Input Protection
■
Fault Protected Front Ends
■
Level Sensing
■
Isolation
■
Pin Selectable Gain of 1 or 10
■
High Common Mode Voltage Range:
85V Window (V
S
= 5V, 0V)
±
250V (V
S
=
±
15V)
■
Common Mode Rejection Ratio: 70dB Min
■
Input Protection to
±
350V
■
Gain Error: 0.28% Max
■
PSRR: 82dB Min
■
High Input Impedance: 2M
Differential,
500k
Common Mode
■
Micropower: 120
μ
A Max Supply Current
■
Wide Supply Range: 2.7V to 36V
■
–3dB Bandwidth: 100kHz
■
Rail-to-Rail Output
■
8-Pin SO Package
FEATURES
±
250V Input Range
G = 1, 10, Micropower,
Difference Amplifier
DESCRIPTIOU
The LT
1990 is a micropower precision difference ampli-
fier with a very high common mode input voltage range. It
has pin selectable gains of 1 or 10. The LT1990 operates
over a
±
250V common mode voltage range on a
±
15V
supply. The inputs are fault protected from common
mode voltage transients up to
±
350V and differential
voltages up to
±
500V. The LT1990 is ideally suited for both
high side and low side current or voltage monitoring.
On a single 5V supply, the LT1990 has an adjustable 85V
input range, 70dB min CMRR and draws less than 120
μ
A
supply current. The rail-to-rail output maximizes the dy-
namic range, especially important for single supplies as
low as 2.7V.
The LT1990 is specified for single 3V, 5V and
±
15V
supplies over both commercial and industrial temperature
ranges. The LT1990 is available in the 8-pin SO package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Full-Bridge Load Current Monitor
R
S
+V
SOURCE
I
L
–12V
≤
V
CM
73V
V
OUT
= V
REF
±
(10 I
L
R
S
)
–
+
40k
40k
100k
100k
900k
1M
1M
900k
10k
10k
V
OUT
LT1990
LT6650
GND
IN
OUT
FB
54.9k
20k
1nF
1
μ
F
V
REF
= 1.5V
1990 TA01
5V
7
2
3
4
1
8
6
5
+
–
APPLICATIU
TYPICAL APPLICATIO
U
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1990ACS8 | 功能描述:IC AMP DIFF +/-250V MCRPWR 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:2pA 電壓 - 輸入偏移:1000µV 電流 - 電源:85µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 6 V 工作溫度:-40°C ~ 125°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-SOICN 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:680 (CN2011-ZH PDF) 其它名稱:MCP6L04T-E/SLCT |
| LT1990ACS8#PBF | 功能描述:IC AMP DIFF +/-250V MCRPWR 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產(chǎn)品培訓(xùn)模塊:Differential Circuit Design Techniques for Communication Applications 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:RF/IF 差分 電路數(shù):1 輸出類型:差分 轉(zhuǎn)換速率:9800 V/µs 增益帶寬積:- -3db帶寬:2.9GHz 電流 - 輸入偏壓:3µA 電壓 - 輸入偏移:- 電流 - 電源:40mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VQFN 裸露焊盤，CSP 供應(yīng)商設(shè)備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT |
| LT1990ACS8#TR | 功能描述:IC AMP DIFF +/-250V MCRPWR 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:2pA 電壓 - 輸入偏移:1000µV 電流 - 電源:85µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 6 V 工作溫度:-40°C ~ 125°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-SOICN 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:680 (CN2011-ZH PDF) 其它名稱:MCP6L04T-E/SLCT |
| LT1990ACS8#TRPBF | 功能描述:IC AMP DIFF +/-250V MCRPWR 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:2pA 電壓 - 輸入偏移:1000µV 電流 - 電源:85µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 6 V 工作溫度:-40°C ~ 125°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-SOICN 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:680 (CN2011-ZH PDF) 其它名稱:MCP6L04T-E/SLCT |
| LT1990AHS8 | 制造商:Linear Technology 功能描述:SP Amp DIFF AMP Single R-R O/P ±18V/36V 8-Pin SOIC N 制造商:Linear Technology 功能描述:SP Amp DIFF AMP Single R-R O/P 18V/36V 8-Pin SOIC N |
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