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HCPL7520 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 HCPL7520
部品説明 Isolated Linear Sensing IC
メーカ Agilent(Hewlett-Packard)
ロゴ Agilent(Hewlett-Packard) ロゴ 



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HCPL7520 Datasheet, HCPL7520 PDF,ピン配置, 機能
Agilent HCPL-7520
Isolated Linear Sensing IC
Data Sheet
Description
The HCPL-7520 isolated linear
current sensing IC family is
designed for current sensing in
low-power electronic motor
drives. In a typical implementa-
tion, motor current flows through
an external resistor and the
resulting analog voltage drop is
sensed by the HCPL-7520. An
output voltage is created on the
other side of the HCPL-7520
optical isolation barrier. This
single-ended output voltage is
proportional to the motor
current. Since common-mode
voltage swings of several hundred
volts in tens of nanoseconds are
common in modern switching
inverter motor drives, the HCPL-
7520 was designed to ignore very
high common-mode transient
slew rates (of at least 10 kV/µs).
The high CMR capability of the
HCPL-7520 isolation amplifier
provides the precision and
stability needed to accurately
monitor motor current in high
noise motor control environ-
ments, providing for smoother
control (less “torque ripple”) in
various types of motor control
applications.
Functional Diagram
IDD1
VDD1 1
IDD2
8 VDD2
VIN+ 2
+
+ 7 VOUT
VIN– 3
6 VREF
GND1 4
SHIELD
5 GND2
The product can also be used for
general analog signal isolation
applications. For general
applications, we recommend the
HCPL-7520 (gain tolerance of
±5%). The HCPL-7520 utilizes
sigma delta (Σ-) analog-to-
digital converter technology to
delivery offset and gain accuracy
and stability over time and
temperature. This performance is
delivered in a compact, auto-
insert, 8-pin DIP package that
meets worldwide regulatory
safety standards. (A gull-wing
surface mount option #300 is
also available).
Features
• 15 kV/µs common-mode rejection
at Vcm = 1000 V
• Compact, auto-insertable 8-pin
DIP package
• 60 ppm/°C gain drift vs.
temperature
• –0.6 mV input offset voltage
• 8 µV/°C input offset voltage vs.
temperature
• 100 kHz bandwidth
• 0.06% nonlinearity, single-ended
amplifer oon
• Worldwide safety approval:
UL 1577 (3750 Vrms/1 min.) and
CSA (pending), DIN EN 60747-5-2
(Option #060 only pending)
• Advanced sigma-delta (Σ-)
A/D converter technology
Applications
• Low-power inverter current
sensing
• Motor phase and rail current
sensing
• Switched mode power supply
signal isolation
• General purpose low-power
current sensing and monitoring
• General purpose analog signal
isolation
CAUTION: It is advised that normal static precautions be taken in handling and assembly of this
component to prevent damage and /or degradation which may be induced by ESD.

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部品番号部品説明メーカ
HCPL7520

Isolated Linear Sensing IC

Agilent(Hewlett-Packard)
Agilent(Hewlett-Packard)

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