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 V
CM
= 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/1 min.)
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
V
DD1
V
IN+
V
IN-
I
DD1
1
2
3
I
DD2
8
V
DD2
7
V
OUT+
+
-
+
-
6
V
OUT-
5
GND2
GND1
4
SHIELD
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.
Ordering Information
HCPL-7800A/HCPL-7800 is UL Recognized with 3750 Vrms for 1 minute per UL1577.
Option
Part number
HCPL-7800A
HCPL-7800
RoHS
Compliant
-000E
-300E
-500E
Non-RoHS
Compliant
No option
#300
#500
Package
300 mil
DIP-8
Surface
Mount
X
X
Gull
Wing
X
X
Tape
& Reel
IEC/EN/DIN EN
60747-5-2
Quantity
X
X
50 per tube
50 per tube
1000 per reel
X
X
To order, choose a part number from the part number column and combine with the desired option from the option
column to form an order entry.
Example 1:
HCPL-7800A-500E to order product of Gull Wing Surface Mount package in Tape and Reel packaging with
IEC/EN/DIN EN 60747-5-2 Safety Approval in RoHS compliant.
Example 2:
HCPL-7800 to order product of 300 mil DIP package in tube packaging and non-RoHS compliant.
Option datasheets are available. Contact your Avago sales representative or authorized distributor for information.
Remarks: The notation ‘#XXX’ is used for existing products, while (new) products launched since 15th July 2001 and
RoHS compliant option will use ‘-XXXE’.
Package Outline Drawings
Standard DIP Package
9.80 ± 0.25
(0.386 ± 0.010)
8
7
A 7800
YYWW
1
1.19 (0.047) MAX.
2
3
4
1.78 (0.070) MAX.
6.35 ± 0.25
(0.250 ± 0.010)
7.62 ± 0.25
(0.300 ± 0.010)
6
5
DATE CODE
DIMENSIONS IN MILLIMETERS AND (INCHES).
NOTE:
FLOATING LEAD PROTRUSION IS 0.5 mm (20 mils) MAX.
3.56 ± 0.13
(0.140 ± 0.005)
4.70 (0.185) MAX.
0.51 (0.020) MIN.
2.92 (0.115) MIN.
5˚ TYP.
0.20 (0.008)
0.33 (0.013)
1.080 ± 0.320
(0.043 ± 0.013)
0.65 (0.025) MAX.
2.54 ± 0.25
(0.100 ± 0.010)
Note:
Initial or continued variation in the color of the HCPL-7800(A)’s white mold compound is normal and does not affect device performance or
reliability.
Gull Wing Surface Mount Option 300
LAND PATTERN RECOMMENDATION
9.80 ± 0.25
(0.386 ± 0.010)
8
7
6
5
1.016 (0.040)
A 7800
YYWW
1
2
3
4
6.350 ± 0.25
(0.250 ± 0.010)
10.9 (0.430)
1.27 (0.050)
1.780
(0.070)
MAX.
9.65 ± 0.25
(0.380 ± 0.010)
7.62 ± 0.25
(0.300 ± 0.010)
2.0 (0.080)
1.19
(0.047)
MAX.
3.56 ± 0.13
(0.140 ± 0.005)
0.20 (0.008)
0.33 (0.013)
1.080 ± 0.320
(0.043 ± 0.013)
2.54
(0.100)
BSC
DIMENSIONS IN MILLIMETERS (INCHES).
TOLERANCES (UNLESS OTHERWISE SPECIFIED):
0.635 ± 0.130
(0.025 ± 0.005)
0.635 ± 0.25
(0.025 ± 0.010)
12˚ NOM.
xx.xx = 0.01
xx.xxx = 0.005
LEAD COPLANARITY
MAXIMUM: 0.102 (0.004)
NOTE: FLOATING LEAD PROTRUSION IS 0.5 mm (20 mils) MAX.
Maximum Solder Reflow Thermal Profile
300
PREHEATING RATE 3˚C + 1˚C/–0.5˚C/SEC.
REFLOW HEATING RATE 2.5˚C ± 0.5˚C/SEC.
PEAK
TEMP.
245˚C
PEAK
TEMP.
240˚C
200
PEAK
TEMP.
230˚C
TEMPERATURE (˚C)
2.5˚C ± 0.5˚C/SEC.
160˚C
150˚C
140˚C
3˚C + 1˚C/–0.5˚C
30
SEC.
30
SEC.
SOLDERING
TIME
200˚C
100
PREHEATING TIME
150˚C, 90 + 30 SEC.
50 SEC.
TIGHT
TYPICAL
LOOSE
0
50
ROOM TEMPERATURE
0
100
TIME (SECONDS)
150
200
250
Note: Use of non-chlorine-activated fluxes is highly recommended.
Recommended Pb-Free IR Profile
tp
Tp
217 ˚C
TL
Tsmax
Tsmin
260 +0/-5 ˚C
TIME WITHIN 5 ˚C of ACTUAL
PEAK TEMPERATURE
20-40 SEC.
TEMPERATURE (˚C)
RAMP-UP
3 ˚C/SEC. MAX.
150 - 200 ˚C
RAMP-DOWN
6 ˚C/SEC. MAX.
ts
PREHEAT
60 to 180 SEC.
25
t 25 ˚C to PEAK
tL
60 to 150 SEC.
TIME (SECONDS)
NOTES:
THE TIME FROM 25 ˚C to PEAK TEMPERATURE = 8 MINUTES MAX.
Tsmax = 200 ˚C, Tsmin = 150 ˚C
Note: Use of non-chlorine-activated fluxes is highly recommended.
Regulatory Information
The HCPL-7800(A) has been approved by the following organizations:
IEC/EN/DIN EN 60747-5-2
Approved under:
IEC 60747-5-2:1997 + A1:2002
EN 60747-5-2:2001 + A1:2002
DIN EN 60747-5-2 (VDE 0884 Teil 2): 2003-01.
UL
Approved under UL 1577, component
recognition program up to V
ISO
= 3750 Vrms.
CSA
Approved under CSA Component Acceptance
Notice #5, File CA 88324.
IEC/EN/DIN EN 60747-5-2 Insulation Characteristics
[1]
Description
Installation classification per DIN VDE 0110/1.89, Table 1
for rated mains voltage 300 Vrms
for rated mains voltage 600 Vrms
Climatic Classification
Pollution Degree (DIN VDE 0110/1.89)
Maximum Working Insulation Voltage
Input to Output Test Voltage, Method b
[2]
V
IORM
x 1.875 = V
PR,
100% Production Test with
t
m
= 1 sec, Partial discharge < 5 pC
Input to Output Test Voltage, Method a
[2]
V
IORM
x 1.5 = V
PR,
Type and Sample Test,
t
m
= 60 sec, Partial discharge < 5 pC
Highest Allowable Overvoltage
(Transient Overvoltage t
ini
= 10 sec)
Safety-limiting values—maximum values
allowed in the event of a failure.
Case Temperature
Input Current
[3]
Output Power
[3]
Insulation Resistance at T
S
, V
IO
= 500 V
V
IORM
V
PR
Symbol
Characteristic
I-IV
I-III
55/100/21
2
891
1670
Unit
V
PEAK
V
PEAK
V
PR
V
IOTM
1336
6000
V
PEAK
V
PEAK
T
S
I
S,INPUT
P
S,OUTPUT
R
S
175
400
600
>10
9
800
OUTPUT POWER - P
S
, INPUT CURRENT - I
S
700
600
500
400
300
200
100
0
0
25
50
75
°C
mA
mW
Ω
P S (mW)
I S (mA)
Notes:
1. Insulation characteristics are guaranteed only within the safety maximum ratings which
must be ensured by protective circuits within the application. Surface Mount Classification is
Class A in accordance with CECC00802.
2. Refer to the optocoupler section of the Isolation and Control Components Designer’s Cata-
log, under Product Safety Regulations section, (IEC/EN/DIN EN 60747-5-2) for a detailed descrip-
tion of Method a and Method b partial discharge test profiles.
3. Refer to the following figure for dependence of PS and IS on ambient temperature.
100
125
150
175
200
T
A
- CASE TEMPERATURE -
o
C
