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參數(shù)資料
| 型號： | LT1498IS8#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 17/24頁 |
| 文件大小： | 0K |
| 描述： | IC OP-AMP R-R IN/OUT DUAL 8-SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | C-Load™ |
| 放大器類型： | 通用 |
| 電路數(shù)： | 2 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 6 V/µs |
| 增益帶寬積： | 10.5MHz |
| 電流 - 輸入偏壓： | 250nA |
| 電壓 - 輸入偏移： | 200µV |
| 電流 - 電源： | 1.8mA |
| 電流 - 輸出 / 通道： | 30mA |
| 電壓 - 電源，單路/雙路(±)： | 2.2 V ~ 36 V，±1.1 V ~ 18 V |
| 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） |
| 供應(yīng)商設(shè)備封裝： | 8-SO |
| 包裝： | 帶卷 (TR) |
LT1498/LT1499
14989fg
24 LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LINEAR TECHNOLOGY CORPORATION 2009
LT 0410 REV G PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
Bidirectional Current Sensor
A bidirectional current sensor for battery-powered sys-
tems is shown in Figure 3. Two outputs are provided: one
proportional to charge current, the other proportional
to discharge current. The circuit takes advantage of the
LT1498’s rail-to-rail input range and its output phase
reversal protection. During the charge cycle, the op amp
A1 forces a voltage equal to (IL)(RSENSE) across RA. This
voltage is then amplied at the Charge Out by the ratio of
RB over RA. In this mode, the output of A2 remains high,
keeping Q2 off and the Discharge Out low, even though
the (+) input of A2 exceeds the positive power supply.
During the discharge cycle, A2 and Q2 are active and the
operation is similar to the charge cycle.
Figure 3. Bidirectional Current Sensor
–
+
–
+
A1
1/2 LT1498
A2
1/2 LT1498
Q2
MTP23P06
VO = IL
= 1V/A
FOR RA = 1k, RB = 10k
RSENSE
DISCHARGE
OUT
CHARGE
OUT
Q1
MTP23P06
RA
RB
RA
VBATTERY
14989 F03
DISCHARGE
IL
CHARGE
RA
RSENSE
0.1Ω
RB
()
VO
IL
PART NUMBER
DESCRIPTION
COMMENTS
LTC1152
Rail-to-Rail Input and Output, Zero-Drift Op Amp
High DC Accuracy, 10μV VOS(MAX), 100nV/°C Drift, 1MHz GBW, 1V/μs
Slew Rate, Max Supply Current 2.2mA
LT1211/LT1212
Dual/Quad 14MHz, 7V/μs, Single Supply Precision Op Amps
Input Common Mode Includes Ground, 275μV VOS(MAX), 6μV/°C Max
Drift, Max Supply Current 1.8mA per Op Amp
LT1213/LT1214
Dual/Quad 28MHz, 12V/μs, Single Supply Precision Op Amps
Input Common Mode Includes Ground, 275μV VOS(MAX), 6μV/°C Max
Drift, Max Supply Current 3.5mA per Op Amp
LT1215/LT1216
Dual/Quad 23MHz, 50V/μs, Single Supply Precision Op Amps
Input Common Mode Includes Ground, 450μV VOS(MAX), Max Supply
Current 6.6mA per Op Amp
LT1366/LT1367
Dual/Quad Precision, Rail-to-Rail Input and Output Op Amps
475μV VOS(MAX), 400kHz GBW, 0.13V/μs Slew Rate, Max Supply
Current 520μA per Op Amp
LT1490/LT1491
Dual/Quad Micropower, Rail-to-Rail Input and Output Op Amps
Max Supply Current 50μA per Op Amp, 200kHz GBW, 0.07V/μs Slew
Rate, Operates with Inputs 44V Above V– Independent of V+
LT1884/LT1885
Dual/Quad, Rail-to-Rail Output Picoamp Input Precision Op Amps ICC = 650μA, VOS < 50μV, IB < 400pA
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| LT1498MPS8 | 制造商:Linear Technology 功能描述:OP Amp Dual GP R-R I/O 15V/30V 8-Pin SOIC N |
| LT1498MPS8#PBF | 功能描述:IC OPAMP RRIO DUAL 10MHZ 8-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:C-Load™ 標(biāo)準(zhǔn)包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:45 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:20pA 電壓 - 輸入偏移:490µV 電流 - 電源:1.7mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 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） 供應(yīng)商設(shè)備封裝:8-SOIC 包裝:帶卷 (TR) |
| LT1498MPS8#TRPBF | 功能描述:IC OPAMP RRIO DUAL 10MHZ 8-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:C-Load™ 標(biāo)準(zhǔn)包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:45 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:20pA 電壓 - 輸入偏移:490µV 電流 - 電源:1.7mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 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） 供應(yīng)商設(shè)備封裝:8-SOIC 包裝:帶卷 (TR) |
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