參數(shù)資料
型號: ISO100
元件分類: 隔離放大器
英文描述: Optically-Coupled Linear ISOLATION AMPLIFIER
中文描述: 光耦合線性隔離放大器
文件頁數(shù): 1/15頁
文件大?。?/td> 202K
代理商: ISO100
FEATURES
G
EASY TO USE, SIMILAR TO AN OP AMP
V
OUT
/I
IN
= R
F
, Current Input
V
OUT
/V
IN
= R
F
/R
IN
, Voltage Input
G
100% TESTED FOR BREAKDOWN:
750V Continuous Isolation Voltage
G
ULTRA-LOW LEAKAGE: 0.3
μ
A, max, at
240V/60Hz
G
WIDE BANDWIDTH: 60kHz
G
18-PIN DIP PACKAGE
APPLICATIONS
G
INDUSTRIAL PROCESS CONTROL
Transducer Sensing
(Thermocouples, RTD, Pressure Bridges)
4mA to 20mA Loops
Motor and SCR Control
Ground Loop Elimination
G
BIOMEDICAL MEASUREMENTS
G
TEST EQUIPMENT
G
DATA ACQUISITION
Optically-Coupled Linear
ISOLATION AMPLIFIER
DESCRIPTION
The ISO100 is an optically-coupled isolation ampli-
fier. High accuracy, linearity, and time-temperature
stability are achieved by coupling light from an LED
back to the input (negative feedback) as well as for-
ward to the output. Optical components are carefully
matched and the amplifier is actively laser-trimmed to
assure excellent tracking and low offset errors.
The circuit acts as a current-to-voltage converter with
a minimum of 750V (2500V test) between input and
output terminals. It also effectively breaks the gal-
vanic connection between input and output commons
as indicated by the ultra-low 60Hz leakage current of
0.3
μ
A at 250V. Voltage input operation is easily
achieved by using one external resistor.
Versatility along with outstanding DC and AC perfor-
mance provide excellent solutions to a variety of
challenging isolation problems. For example, the
ISO100 is capable of operating in many modes, in-
cluding: noninverting (unipolar and bipolar) and in-
verting (unipolar and bipolar) configurations. Two
precision current sources are provided to accomplish
bipolar operation. Since these are not required for
unipolar operation, they are available for external use
(see Applications section).
Designs using the ISO100 are easily accomplished
with relatively few external components. Since V
OUT
of the ISO100 is simply I
IN
R
F
, gains can be changed
by altering one resistor value. In addition, the ISO100
has sufficient bandwidth (DC to 60kHz) to amplify
most industrial and test equipment signals.
A
1
16 13 14
12 10
15
17
D
1
D
2
LED
18
A
2
8
5
6
4
2
9
7
3
V
OUT
Balance
I
REF2
R
F
Balance
I
REF1
–V
CC
+V
CC
Input
Common
Output
Common
–V
CC
+V
CC
+In
–In
ISO100
International Airport Industrial Park Mailing Address: PO Box 11400, Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 Tel: (520) 746-1111 Twx: 910-952-1111
Internet: http://www.burr-brown.com/ FAXLine: (800) 548-6133 (US/Canada Only) Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
1982 Burr-Brown Corporation
PDS-456G
Printed in U.S.A. August, 1997
ISO100
相關(guān)PDF資料
PDF描述
ISO100AP Optically-Coupled Linear ISOLATION AMPLIFIER
ISO100BP Optically-Coupled Linear ISOLATION AMPLIFIER
ISO100CP Optically-Coupled Linear ISOLATION AMPLIFIER
ISO113 Low-Cost, High-Voltage, Internally Powered OUTPUT ISOLATION AMPLIFIER
ISO113B Low-Cost, High-Voltage, Internally Powered OUTPUT ISOLATION AMPLIFIER
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