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参数资料
| 型号： | LTC1966MPMS8#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 模拟专用变换器 |
| 英文描述： | RMS TO DC CONVERTER, PDSO8 |
| 封装： | LEAD FREE, PLASTIC, MSOP-8 |
| 文件页数： | 1/38页 |
| 文件大小： | 387K |
| 代理商： | LTC1966MPMS8#TRPBF |
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LTC1966
1
1966fb
Typical applicaTion
FeaTures
DescripTion
Precision Micropower
∑ RMS-to-DC Converter
applicaTions
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
No Latency
DS is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners. Protected by U.S. Patents including 6359576, 6362677,
6516291 and 6651036.
n
Simple to Use, Requires One Capacitor
n
True RMS DC Conversion Using
DS Technology
n
High Accuracy:
0.1% Gain Accuracy from 50Hz to 1kHz
0.25% Total Error from 50Hz to 1kHz
n
High Linearity:
0.02% Linearity Allows Simple System Calibration
n
Low Supply Current:
155A Typ, 170A Max
n
Ultralow Shutdown Current:
0.1A
n
Constant Bandwidth:
Independent of Input Voltage
800kHz –3dB, 6kHz ±1%
n
Flexible Supplies:
2.7V to 5.5V Single Supply
Up to ±5.5V Dual Supply
n
Flexible Inputs:
Differential or Single-Ended
Rail-to-Rail Common Mode Voltage Range
Up to 1VPEAK Differential Voltage
n
Flexible Output:
Rail-to-Rail Output
Separate Output Reference Pin Allows Level Shifting
n
Wide Temperature Range:
–55°C to 125°C
n
Small Size:
Space Saving 8-Pin MSOP Package
The LTC1966 is a true RMS-to-DC converter that utilizes
an innovative patented
DS computational technique. The
internal delta sigma circuitry of the LTC1966 makes it sim-
pler to use, more accurate, lower power and dramatically
more flexible than conventional log antilog RMS-to-DC
converters.
The LTC1966 accepts single-ended or differential input
signals(forEMI/RFIrejection)andsupportscrestfactorsup
to 4. Common mode input range is rail-to-rail. Differential
input range is 1VPEAK, and offers unprecedented linearity.
Unlike previously available RMS-to-DC converters, the
superiorlinearityoftheLTC1966allowshasslefreesystem
calibration at any input voltage.
The LTC1966 also has a rail-to-rail output with a separate
output reference pin providing flexible level shifting. The
LTC1966 operates on a single power supply from 2.7V to
5.5V or dual supplies up to ±5.5V. A low power shutdown
mode reduces supply current to 0.5A.
The LTC1966 is insensitive to PC board soldering and
stresses, as well as operating temperature. The LTC1966
is packaged in the space saving MSOP package which is
ideal for portable applications.
n
True RMS Digital Multimeters and Panel Meters
n
True RMS AC + DC Measurements
Single Supply RMS-to-DC Converter
Quantum Leap in Linearity Performance
CAVE
1F
VOUT
+
–
1966 TA01
2.7V TO 5.5V
OUTPUT
DIFFERENTIAL
INPUT
LTC1966
VDD
0.1F
OPT. AC
COUPLING
VSS
EN
GND
OUT RTN
IN1
IN2
VIN (mV ACRMS)
–1.0
LINEARITY
ERROR
(V
OUT
mV
DC
–
V
IN
mV
AC
RMS
)
–0.6
–0.2
0.2
–0.8
–0.4
0
100
200
300
400
1966 TA01b
500
50
0
150
250
350
450
LTC1966, ∑
60Hz SINEWAVES
CONVENTIONAL
LOG/ANTILOG
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC1967CMS8 | 功能描述:IC CONVERTER RMS-DC PREC 8MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - RMS 至 DC 转换器 系列:- 标准包装:46 系列:- 电流 - 电源:1.2mA 电源电压:±18 V，36 V 安装类型:表面贴装 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 供应商设备封装:16-SOIC W 包装:管件 |
| LTC1967CMS8#PBF | 功能描述:IC CONVERTER RMS-DC PREC 8MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - RMS 至 DC 转换器 系列:- 标准包装:46 系列:- 电流 - 电源:1.2mA 电源电压:±18 V，36 V 安装类型:表面贴装 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 供应商设备封装:16-SOIC W 包装:管件 |
| LTC1967CMS8#TR | 功能描述:IC CONVERTER RMS-DC PREC 8MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - RMS 至 DC 转换器 系列:- 标准包装:46 系列:- 电流 - 电源:1.2mA 电源电压:±18 V，36 V 安装类型:表面贴装 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 供应商设备封装:16-SOIC W 包装:管件 |
| LTC1967CMS8#TRPBF | 功能描述:IC CONVERTER RMS-DC PREC 8MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - RMS 至 DC 转换器 系列:- 标准包装:46 系列:- 电流 - 电源:1.2mA 电源电压:±18 V，36 V 安装类型:表面贴装 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 供应商设备封装:16-SOIC W 包装:管件 |
| LTC1967CMS8PBF | 制造商:Linear Technology 功能描述:RMS-DC converter, LTC1967 40kHz MSOP |
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