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HCPL-7800B 데이터시트 PDF




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부품번호 HCPL-7800B 기능
기능 High CMR Isolation Amplifiers
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HCPL-7800B 데이터시트, 핀배열, 회로
H
High CMR Isolation Amplifiers
Technical Data
HCPL-7800
HCPL-7800A
HCPL-7800B
Features
• 15 kV/µs Common-Mode
Rejection at VCM = 1000 V*
• Compact, Auto-Insertable
Standard 8-pin DIP Package
• 4.6 µV/°C Offset Drift vs.
Temperature
• 0.9 mV Input Offset Voltage
• 85 kHz Bandwidth
• 0.1% Nonlinearity
• Worldwide Safety Approval:
UL 1577 (3750 V rms/1 min),
VDE 0884 and CSA
• Advanced Sigma-Delta (Σ∆)
A/D Converter Technology
• Fully Differential Circuit
Topology
• 1 µm CMOS IC Technology
Applications
• Motor Phase Current
Sensing
• General Purpose Current
Sensing
• High-Voltage Power Source
Voltage Monitoring
*The terms common-mode rejection
(CMR) and isolation-mode rejection (IMR)
are used interchangeably throughout this
data sheet.
• Switch-Mode Power Supply
Signal Isolation
• General Purpose Analog
Signal Isolation
• Transducer Isolation
Description
The HCPL-7800 high CMR
isolation amplifier provides a
unique combination of features
ideally suited for motor control
circuit designers. The product
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.
This product paves the way for a
smaller, lighter, easier to produce,
high noise rejection, low cost
solution to motor current
sensing. The product can also be
used for general analog signal
isolation applications requiring
high accuracy, stability and
linearity under similarly severe
noise conditions. For general
applications, we recommend the
HCPL-7800 which exhibits a
part-to-part gain tolerance of
± 5%. For precision applications,
HP offers the HCPL-7800A and
HCPL-7800B, each with part-to-
part gain tolerances of ± 1%.
The HCPL-7800 utilizes sigma-
delta (Σ∆) analog-to-digital
converter technology, chopper
stabilized amplifiers, and a fully
differential circuit topology
fabricated using HP’s 1 µm
CMOS IC process. The part also
couples our high-efficiency, high-
speed AlGaAs LED to a high-
speed, noise-shielded detector
Functional Diagram
1 I DD1
VDD1
I DD2
8
VDD2
2 I IN
VIN+
+
3
VIN-
-
IO
+
7
VOUT+
6
- VOUT-
4
GND1
CMR SHIELD
5
GND2
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.
1-216
5965-3592E




HCPL-7800B pdf, 반도체, 판매, 대치품
Regulatory Information
The HCPL-7800 has been
approved by the following
organizations:
UL
Recognized under UL 1577,
Component Recognition
Program, File E55361.
CSA
Approved under CSA Component
Acceptance Notice #5, File CA
88324.
VDE
Approved according to VDE
0884/06.92.
Insulation and Safety Related Specifications
Parameter
Min. External Air Gap
(External Clearance)
Min. External Tracking
Path (External Creepage)
Min. Internal Plastic Gap
(Internal Clearance)
Tracking Resistance
(Comparative Tracking
Index)
Isolation Group
Symbol
L(IO1)
L(IO2)
CTI
Value Units
7.4 mm
8.0 mm
0.5 mm
175 V
III a
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 direct distance between the photoemitter
and photodetector inside the optocoupler cavity
DIN IEC 112/VDE 0303 Part 1
Material Group (DIN VDE 0110, 1/89, Table 1)
Option 300 – surface mount classification is Class A in accordance with CECC 00802.
VDE 0884 (06.92) Insulation Characteristics
Description
Installation classification per DIN VDE 0110, Table 1
for rated mains voltage 300 V rms
for rated mains voltage 600 V rms
Climatic Classification
Pollution Degree (DIN VDE 0110, Table 1)*
Maximum Working Insulation Voltage
Input to Output Test Voltage, Method b**
VPR = 1.875 x VIORM, Production test with tp = 1 sec,
Partial discharge < 5 pC
Input to Output Test Voltage, Method a**
VPR = 1.5 x VIORM, Type and sample test with tp = 60 sec,
Partial discharge < 5 pC
Highest Allowable Overvoltage**
(Transient Overvoltage tTR = 10 sec)
Safety-limiting values (Maximum values allowed in the event
of a failure, also see Figure 27)
Case Temperature
Input Power
Output Power
Insulation Resistance at TS, VIO = 500 V
Symbol
VIORM
VPR
VPR
VTR
TS
PS,Input
PS,Output
RS
Characteristic
I-IV
I-III
40/100/21
2
848
1591
1273
6000
175
80
250
1x1012
Unit
V peak
V peak
V peak
V peak
°C
mW
mW
*This part may also be used in Pollution Degree 3 environments where the rated mains voltage is 300 V rms (per DIN VDE 0110).
**Refer to the front of the optocoupler section of the current catalog for a more detailed description of VDE 0884 and other product
safety requirements.
Note: Optocouplers providing safe electrical separation per VDE 0884 do so only within the safety-limiting values to which they are
qualified. Protective cut-out switches must be used to ensure that the safety limits are not exceeded.
1-219

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HCPL-7800B 전자부품, 판매, 대치품
AC Electrical Specifications
All specifications and figures are at the nominal operating condition of VIN+ = 0 V, VIN- = 0 V, TA = 25°C,
VDD1 = 5.0 V, and VDD2 = 5.0 V, unless otherwise noted.
Parameter
Symbol Min. Typ. Max. Unit
Test Conditions
Fig. Note
Rising Edge Isolation
Mode Rejection
IMRR 10 25
kV/µs VIM = 1 kV
19, 20 26
Falling Edge Isolation
Mode Rejection
IMRF 10 15
kV/µs
Isolation Mode Rejection
Ratio at 60 Hz
IMRR
>140
dB
19 27
Propagation Delay to 10%
Propagation Delay to 50%
Propagation Delay to 90%
Rise/Fall Time (10%-90%)
Bandwidth (-3 dB)
Bandwidth (-45°)
RMS Input-Referred
Noise
tPD10
tPD50
tPD90
tR/F
f-3dB
f-45°
VN
2.0 3.3
3.4 5.6
µs -40°C < TA < 85°C
µs
21, 22
6.3 9.9
µs
4.3 6.6
µs
50 85
kHz
23, 24
35 kHz
300 µV rms Bandwidth = 100 kHz 25, 26 28
Power Supply Rejection
PSR
5 mVp-p
29
Package Characteristics
All specifications and figures are at the nominal operating condition of VIN+ = 0 V, VIN- = 0 V, TA = 25°C, VDD1
= 5.0 V, and VDD2 = 5.0 V, unless otherwise noted.
Parameter
Symbol Min. Typ. Max. Unit
Test Conditions
Fig. Note
Input-Output Momentary
Withstand Voltage*
VISO 3750
V rms t = 1 min., RH 50%
30, 31
Input-Output Resistance
RI-O
1012
1011
1013
TA = 25°C VI-O = 500 Vdc
TA = 100°C
30
Input-Output Capacitance
Input IC Junction-to-
Case Thermal Resistance
CI-O
θjci
0.7 pF f = 1 MHz
96 °C/W
30
32
Output IC Junction-to-Case
Thermal Resistance
θjco
114 °C/W
*The Input-Output Momentary Withstand Voltage is a dielectric voltage rating that should not be interpreted as an input-output
continuous voltage rating. For the continuous voltage rating refer to the VDE 0884 Insulation Characteristics Table (if applicable), your
equipment level safety specification, or HP Application Note 1074, “Optocoupler Input-Output Endurance Voltage.”
1-222

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HCPL-7800

High CMR Isolation Amplifiers

Agilent(Hewlett-Packard)
Agilent(Hewlett-Packard)
HCPL-7800

High CMR Isolation Amplifiers

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