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參數(shù)資料
| 型號(hào)： | LT1990IS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | 250V Input Range G = 1, 10, Micropower, Difference Amplifier |
| 中文描述： | OP-AMP, 6700 uV OFFSET-MAX, 0.105 MHz BAND WIDTH, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SOP-8 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 222K |
| 代理商： | LT1990IS8 |
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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 |
|---|---|
| LT1990IS8#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:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 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:帶卷 (TR) |
| LT1990IS8#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:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 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:帶卷 (TR) |
| LT1990IS8#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:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 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:帶卷 (TR) |
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