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STPMS1 датащи(PDF) 1 Page - STMicroelectronics

номер детали STPMS1
подробное описание детали  Dual-channel 1-bit, 2 MHz, 1st order Dual-channel 1-bit, 2 MHz, 1st order
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STPMS1 датащи(HTML) 1 Page - STMicroelectronics

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October 2010
Doc ID 16524 Rev 2
1/23
23
STPMS1
Dual-channel 1-bit, 2 MHz, 1st order
sigma-delta modulator with embedded PGA
Features
VCC supply range: 3.2 V - 5.5 V
Two 1st order sigma-delta modulators
Programmable chopper-stabilized low noise
and low offset amplifier
Supports 50-60 Hz AC watt meters
Internal low-drop regulator at 3 V (typ.)
Precision voltage reference: 1.23 V and 30
ppm/°C (typ.)
Applications
Power metering
Motor control
Industrial process control
Weight scale
Pressure transducers
Description
The STPMS1, also called a smart-sensor device,
is an ASSP designed for effective measurement
in power line systems utilizing the Rogowski coil,
current transformer, or shunt principle. It is used
in combination with the STPMC1 programmable
poly-phase energy calculator IC, as a building
block for single-phase or poly-phase energy
meters. The STPMS1 is a mixed signal IC
consisting of an analog and a digital section. The
analog section consists of a pre-amplifier and two
1st order
ΣΔ modulator blocks, band-gap voltage
reference, a low-drop voltage regulator, and DC
buffers, while the digital section consists of a clock
generator and output multiplexer. This device is
designed for use in medium resolution
measurement applications when single or double
inputs must be monitored at the same time.
QFN16 (3 x 3 mm.)
Table 1.
Device summary
Order code
Package
Packaging
STPMS1BPQR
QFN16 (3 x 3 mm)
2500 parts per reel
www.st.com


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