參數(shù)資料
型號(hào): LT1787HVIMS8
廠商: LINEAR TECHNOLOGY CORP
元件分類: 模擬信號(hào)調(diào)理
英文描述: Precision, High Side Current Sense Amplifiers
中文描述: SPECIALTY ANALOG CIRCUIT, PDSO8
封裝: PLASTIC, MSOP-8
文件頁(yè)數(shù): 1/12頁(yè)
文件大?。?/td> 205K
代理商: LT1787HVIMS8
1
LT1787/LT1787HV
Precision, High Side
Current Sense Amplifiers
I
Input Offset Voltage: 75
μ
V (Max)
I
60V Supply Operation (LT1787HV)
I
12-Bit Dynamic Range
I
Operating Current: 60
μ
A
I
User-Selectable External Sense Resistor
I
Bidirectional High Side Current Sensing
I
Unidirectional or Bidirectional Output
I
Input Noise Filtering
I
Available in 8-Lead SO and MSOP Packages
The LT
1787 is a complete micropower precision high
side current sense amplifier. The LT1787 monitors bidi-
rectional currents via the voltage across an external sense
resistor. A current or voltage output depicts the direction
and magnitude of the sense current. The LT1787 delivers
greater than a 12-bit dynamic range with ultralow 40
μ
V
input offset voltage compared to a typical 250mV full-
scale input voltage. A fixed gain of 8 is set by onboard
precision resistors. Input signal filtering is easily imple-
mented with a capacitor between the FIL
and FIL
+
pins.
The LT1787HV operates from 2.5V to 60V total supply
voltage and the LT1787 operates from 2.5V to 36V total
supply voltage. Both versions have a PSRR in excess of
120dB. The LT1787/LT1787HV draw only 60
μ
A and are
available in 8-lead SO and MSOP packages.
I
Battery Monitoring
I
Power Monitoring
I
Portable Phones
I
Cellular Phones
I
Portable Test/Measurement Systems
I
Battery-Operated Systems
, LTC and LT are registered trademarks of Linear Technology Corporation.
Input Offset Voltage vs Supply Voltage
12-Bit Dynamic Resolution Unidirectional Output into LTC
1286 ADC
TOTAL SUPPLY VOLTAGE (V)
0
I
μ
V
10
20
30
40
1787 TA01b
50
50
40
30
20
10
0
–10
–20
–30
–40
–50
60
1
8
2
7
3
6
4
5
LT1787HV
R
SENSE
0.0016
1787 TA01
C1
1
μ
F
5V
FIL
+
V
S+
FIL
V
S–
R1
15k
C2
0.1
μ
F
V
OUT
= V
BIAS
+ (8 I
LOAD
R
SENSE
)
I = 100A
2.5V TO 60V
TO
LOAD
LT1634-1.25
TO
μ
P
V
REF
V
CC
GND
LTC1286
CS
CLK
D
OUT
+IN
–IN
V
BIAS
V
OUT
R
OUT
20k
DNC
V
EE
APPLICATIU
FEATURES
TYPICAL APPLICATIO
U
DESCRIPTIO
U
相關(guān)PDF資料
PDF描述
LT1787HVCS8 Precision, High Side Current Sense Amplifiers
LT1787IS8 Precision, High Side Current Sense Amplifiers
LT1787IMS8 Precision, High Side Current Sense Amplifiers
LT1787 Precision, High Side Current Sense Amplifiers
LT1787CMS8 Precision, High Side Current Sense Amplifiers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1787HVIMS8#PBF 功能描述:IC AMP PREC CURR SENSE HV 8MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:73 系列:Over-The-Top® 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.07 V/µs 增益帶寬積:200kHz -3db帶寬:- 電流 - 輸入偏壓:1nA 電壓 - 輸入偏移:285µV 電流 - 電源:50µA 電流 - 輸出 / 通道:25mA 電壓 - 電源,單路/雙路(±):2 V ~ 44 V,±1 V ~ 22 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:16-DFN-EP(5x3) 包裝:管件
LT1787HVIMS8#TR 功能描述:IC AMP PREC CURR SENSE HV 8MSOP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:73 系列:Over-The-Top® 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.07 V/µs 增益帶寬積:200kHz -3db帶寬:- 電流 - 輸入偏壓:1nA 電壓 - 輸入偏移:285µV 電流 - 電源:50µA 電流 - 輸出 / 通道:25mA 電壓 - 電源,單路/雙路(±):2 V ~ 44 V,±1 V ~ 22 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:16-DFN-EP(5x3) 包裝:管件
LT1787HVIMS8#TRPBF 功能描述:IC AMP PREC CURR SENSE HV 8MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:73 系列:Over-The-Top® 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.07 V/µs 增益帶寬積:200kHz -3db帶寬:- 電流 - 輸入偏壓:1nA 電壓 - 輸入偏移:285µV 電流 - 電源:50µA 電流 - 輸出 / 通道:25mA 電壓 - 電源,單路/雙路(±):2 V ~ 44 V,±1 V ~ 22 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:16-DFN-EP(5x3) 包裝:管件
LT1787HVIS8 功能描述:IC AMP PREC CURR SENSE HV 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:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源,單路/雙路(±):2.7 V ~ 12 V,±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°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:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT
LT1787HVIS8#PBF 功能描述:IC AMP PREC CURR SENSE HV 8-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 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