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PDF ( 数据手册 , 数据表 ) 3656JG

零件编号 3656JG
描述 Transformer Coupled ISOLATION AMPLIFIER
制造商 Burr-Brown Corporation
LOGO Burr-Brown Corporation LOGO 


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3656JG 数据手册, 描述, 功能
® 3656
Transformer Coupled
ISOLATION AMPLIFIER
FEATURES
q INTERNAL ISOLATED POWER
q 8000V ISOLATION TEST VOLTAGE
q 0.5µA MAX LEAKAGE AT 120V, 60Hz
q 3-PORT ISOLATION
q IMR: 125dB REJECTION AT 60Hz
q 1" x 1" x 0.25" CERAMIC PACKAGE
DESCRIPTION
The 3656 was the first amplifier to provide a total
isolation function, both signal and power isolation, in
integrated circuit form. This remarkable advancement
in analog signal processing capability was accom-
plished by use of a patented modulation technique and
miniature hybrid transformer.
Versatility and performance are outstanding features
of the 3656. It is capable of operating with three
APPLICATIONS
q MEDICAL
Patient Monitoring and Diagnostic
Instrumentation
q INDUSTRIAL
Ground Loop Elimination and
Off-ground Signal Measurement
q NUCLEAR
Input/Output/Power Isolation
completely independent grounds (three-port isolation).
In addition, the isolated power generated is available
to power external circuitry at either the input or
output. The uncommitted op amps at the input and the
output allow a wide variety of closed-loop configura-
tions to match the requirements of many different
types of isolation applications.
Input
Demodulator
Pulse
Generator
+
Input
ISO
Power
Modulator
Rectifiers
and
Filters
Output
Demodulator
Rectifiers
and
Filters
Output
ISO
Power
SBOS132
This product is covered by the following United States patents: 4,066,974; 4,103,267; 4,082,908. Other patents pending may also apply upon the
allowance and issuance of patents thereon. The product may also be covered in other countries by one or more international patents corresponding
to the above-identified U.S. patents.
InternationalAirportIndustrialPark • MailingAddress:POBox11400,Tucson,AZ85734 • StreetAddress:6730S.TucsonBlvd.,Tucson,AZ 85706 • Tel:(520)746-1111 • Twx:910-952-1111
Internet:http://www.burr-brown.com/ • FAXLine:(800)548-6133(US/CanadaOnly) • Cable:BBRCORP • Telex:066-6491 • FAX:(520)889-1510 • ImmediateProductInfo:(800)548-6132
©1987 Burr-Brown Corporation
PDS-1403G
3656Printed in U.S.A. January, 1997
®







3656JG pdf, 数据表
9
2
10
D
6M
RC
100k
+
VIN
A1
7
4
1
3
I/P PWR
100k
14
D
A2
15 +
VOUT
11
17
16
12
13
0.47µF
0.47µF
O/P PWR
Pulse GEN
20
19
0.47µF
+
15V
FIGURE 2. Power: Three-Port Isolation; Signal: Unity-Gain Noninverting.
RF
9
2
10
RK
RX
6
RA
D
M
14
D
A2
15
7
RC
+
VIN
A1
4
1
3
11
17
16
12
13
RB
15V
+–
O/P PWR
Pulse GEN
20
19
–+
15V
0.47µF
I/P PWR
FIGURE 3. Power: Two-Port, Dual Supply; Signal: Noninverting Gain.
+
VOUT
®
3656
8







3656JG equivalent, schematic
RF
6
RA
500V
RC 7
+
VS
VIN =
500mV
1000V
RS =
10
500V
9
2
10
D
M
A1
100k
14
D
A2
11
17
16
12
13 2M
15 +
VOUT
4
1
3
I/P PWR
O/P PWR
Pulse GEN
20
0.47µF
19
+
15V
+
15V
VOUT = [VIN ( 500V/1MR)] [ 1 + (RF/RA)] RA + RF = 2M
FIGURE 12. Series Source.
9
2
10
D
6M
R2
+
VIN
R1
OPA177
7 A1
4
1
3
0.47µF
0.47µF
I/P PWR
FIGURE 13. Isolator for Low-Level Signals.
®
3656
16
100k
14
D
A2
11
17
16
12
13
15 +
VOUT
O/P PWR
Pulse GEN
20
0.47µF
19
+
15V
+
15V
VOUT = [1 + (R1/R2)] VIN










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