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| 型号： | LT1498CS8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 17/24页 |
| 文件大小： | 0K |
| 描述： | IC OP-AMP R-R IN/OUT DUAL 8-SOIC |
| 标准包装： | 100 |
| 系列： | C-Load™ |
| 放大器类型： | 通用 |
| 电路数： | 2 |
| 输出类型： | 满摆幅 |
| 转换速率： | 6 V/µs |
| 增益带宽积： | 10.5MHz |
| 电流 - 输入偏压： | 250nA |
| 电压 - 输入偏移： | 200µV |
| 电流 - 电源： | 1.8mA |
| 电流 - 输出 / 通道： | 30mA |
| 电压 - 电源，单路/双路(±)： | 2.2 V ~ 36 V，±1.1 V ~ 18 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 管件 |
| 产品目录页面： | 1319 (CN2011-ZH PDF) |
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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| LT1498CS8TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:Driving A-to-D Converters |
| LT1498CS8TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Driving A-to-D Converters |
| LT1498HS8#PBF | 功能描述:IC OPAMP GP R-R 10MHZ DL 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:C-Load™ 标准包装:73 系列:Over-The-Top® 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:0.07 V/µs 增益带宽积:200kHz -3db带宽:- 电流 - 输入偏压:1nA 电压 - 输入偏移:285µV 电流 - 电源:50µA 电流 - 输出 / 通道:25mA 电压 - 电源，单路/双路(±):2 V ~ 44 V，±1 V ~ 22 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-WFDFN 裸露焊盘 供应商设备封装:16-DFN-EP（5x3） 包装:管件 |
| LT1498HS8#TRPBF | 功能描述:IC OPAMP GP R-R 10MHZ DL 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:C-Load™ 标准包装:73 系列:Over-The-Top® 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:0.07 V/µs 增益带宽积:200kHz -3db带宽:- 电流 - 输入偏压:1nA 电压 - 输入偏移:285µV 电流 - 电源:50µA 电流 - 输出 / 通道:25mA 电压 - 电源，单路/双路(±):2 V ~ 44 V，±1 V ~ 22 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-WFDFN 裸露焊盘 供应商设备封装:16-DFN-EP（5x3） 包装:管件 |
| LT1498IN8 | 功能描述:IC OP-AMP R-R IN/OUT DUAL 8-DIP RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:C-Load™ 标准包装:50 系列:- 放大器类型:J-FET 电路数:2 输出类型:- 转换速率:3.5 V/µs 增益带宽积:1MHz -3db带宽:- 电流 - 输入偏压:30pA 电压 - 输入偏移:2000µV 电流 - 电源:200µA 电流 - 输出 / 通道:- 电压 - 电源，单路/双路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:8-DIP（0.300"，7.62mm） 供应商设备封装:8-PDIP 包装:管件 |
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