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HCPL-7800AのメーカーはAvagoです、この部品の機能は「Isolation Amplifer」です。 |
部品番号 | HCPL-7800A |
| |
部品説明 | Isolation Amplifer | ||
メーカ | Avago | ||
ロゴ | |||
このページの下部にプレビューとHCPL-7800Aダウンロード(pdfファイル)リンクがあります。 Total 18 pages
HCPL-7800A/HCPL-7800
Isolation Amplifer
Datasheet
Lead (Pb) Free
RoHS 6 fully
compliant
RoHS 6 fully compliant options available;
-xxxE denotes a lead-free product
Description
The HCPL-7800(A) isolation amplifier family was designed
for current sensing in electronic motor drives. In a typical
implementation, motor currents flow through an external
resistor and the resulting analog voltage drop is sensed
by the HCPL-7800(A). A differential output voltage is
created on the other side of the HCPL-7800(A) optical
isolation barrier. This differential output voltage is pro-
portional to the motor current and can be converted to
a single-ended signal by using an op-amp as shown in
the recommended application circuit. Since common-
mode voltage swings of several hundred volts in tens of
nanoseconds are common in modern switching inverter
motor drives, the HCPL-7800(A) was designed to ignore
very high common-mode transient slew rates (of at least
10 kV/µs).
The high CMR capability of the HCPL-7800(A) 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.
The product can also be used for general analog signal
isolation applications requiring high accuracy, stability,
and linearity under similarly severe noise con-ditions.
For general applications, we recommend the HCPL-7800
(gain tolerance of ±3%). For precision applications Avago
Technologies offers the HCPL-7800A with part-to-part
gain tolerance of ±1%. The HCPL-7800(A) utilizes sigma
delta (Σ−∆) analog-to-digital converter technology,
chopper stabilized amplifiers, and a fully differential
circuit topology.
Together, these features deliver unequaled isolation-
mode noise rejection, as well as excellent offset and
gain accuracy and stability over time and temperature.
This performance is delivered in a compact, auto-insert-
able, industry standard 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 Standard 8-pin DIP Pack-
age
• 0.00025 V/V/°C Gain Drift vs. Temperature
• 0.3 mV Input Offset Voltage
• 100 kHz Bandwidth
• 0.004% Nonlinearity
• Worldwide Safety Approval: UL 1577 (3750 Vrms/1min.)
and CSA, IEC/EN/DIN EN 60747-5-2
• Advanced Sigma-Delta (Σ−∆) A/D Converter Technol-
ogy
• Fully Differential Circuit Topology
Applications
• Motor Phase and Rail Current Sensing
• Inverter Current Sensing
• Switched Mode Power Supply Signal Isolation
• General Purpose Current Sensing and Monitoring
• General Purpose Analog Signal Isolation
Functional Diagram
IDD1
VDD1 1
IDD2
8 VDD2
VIN+ 2
+
+ 7 VOUT+
VIN- 3
-
- 6 VOUT-
GND1 4
SHIELD
5 GND2
NOTE: A 0.1 μF bypass capacitor must be connected
between pins 1 and 4 and between pins 5 and 8.
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.
1 Page Gull Wing Surface Mount Option 300
9.80 ± 0.25
(0.386 ± 0.010)
87
65
A 7800
YYWW
6.350 ± 0.25
(0.250 ± 0.010)
LAND PATTERN RECOMMENDATION
1.016 (0.040)
10.9 (0.430)
12
34
1.27 (0.050)
2.0 (0.080)
1.19
(0.047)
MAX.
1.780
(0.070)
MAX.
3.56 ± 0.13
(0.140 ± 0.005)
9.65 ± 0.25
(0.380 ± 0.010)
7.62 ± 0.25
(0.300 ± 0.010)
0.20 (0.008)
0.33 (0.013)
1.080 ± 0.320
(0.043 ± 0.013)
2.54
(0.100)
BSC
0.635 ± 0.130
(0.025 ± 0.005)
0.635 ± 0.25
(0.025 ± 0.010)
12˚ NOM.
DIMENSIONS IN MILLIMETERS (INCHES).
TOLERANCES (UNLESS OTHERWISE SPECIFIED):
xx.xx = 0.01
xx.xxx = 0.005
NOTE: FLOATING LEAD PROTRUSION IS 0.5 mm (20 mils) MAX.
LEAD COPLANARITY
MAXIMUM: 0.102 (0.004)
3Pages Insulation and Safety Related Specifications
Parameter
Symbol
Minimum External Air Gap
(Clearance)
L(101)
Minimum External Tracking
(Creepage)
Minimum Internal Plastic Gap
(Internal Clearance)
L(102)
Tracking Resistance
(Comparative Tracking Index)
Isolation Group
CTI
Value
7.4
8.0
0.5
>175
III a
Unit
mm
mm
mm
Volts
Conditions
Measured from input terminals to output
terminals, shortest distance through air.
Measured from input terminals to output
terminals, shortest distance path along body.
Through insulation distance conductor to
conductor, usually the straight line distance
thickness between the emitter and detector.
DIN IEC 112/VDE 0303 Part 1
Material Group
(DIN VDE 0110, 1/89, Table 1)
Absolute Maximum Ratings
Parameter
Storage Temperature
Operating Temperature
Supply Voltage
Steady-State Input Voltage
2 Second Transient Input Voltage
Output Voltage
Solder Reflow Temperature Profile
Symbol
Min.
Max.
TS
TA
VDD1, VDD2
VIN+, VIN-
-55
- 40
0
-2.0
-6.0
125
100
5.5
VDD1 +0.5
VOUT
-0.5
VDD2 +0.5
See Maximum Solder Reflow Thermal Profile Section
Unit
°C
V
Note
Recommended Operating Conditions
Parameter
Symbol Min. Max. Unit Note
Ambient Operating Temperature
TA
-40 85 °C
Supply Voltage
VDD1, VDD2
4.5
5.5 V
Input Voltage (accurate and linear)
VIN+, VIN-
-200
200
mV 1
Input Voltage (functional)
VIN+, VIN-
-2
2
V
6 Page | |||
ページ | 合計 : 18 ページ | ||
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PDF ダウンロード | [ HCPL-7800A データシート.PDF ] |
データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
部品番号 | 部品説明 | メーカ |
HCPL-7800 | High CMR Isolation Amplifiers | Agilent(Hewlett-Packard) |
HCPL-7800 | High CMR Isolation Amplifiers | ETC |
HCPL-7800 | Isolation Amplifer | Avago |
HCPL-7800A | High CMR Isolation Amplifiers | Agilent(Hewlett-Packard) |