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參數(shù)資料
| 型號(hào)： | ALD112 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 209K |
| 代理商： | ALD112 |
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
Precision Programmable
CURRENT/VOLTAGE TRANSMITTER
FEATURES
G
SWITCHABLE OUTPUT
±
10V OR 4-20mA
G
DRIVES 1000
|| 1
μ
F AT 20mA
G
VOLTAGE AND CURRENT SENSE
G
GROUND NOISE SUPPRESSION
G
ERROR DETECTION FLAG
G
OUTPUT DISABLE
G
ACCURACY: 0.05% max
G
WIDE SUPPLY RANGE:
±
11V TO +24/–15V
APPLICATIONS
G
PROGRAMMABLE CONTROLLERS
G
STANDARDIZED OUTPUTS FOR
TERMINATION PANELS
G
INDUSTRIAL PROCESS CONTROL
G
PROGRAMMABLE CURRENT SOURCE
G
MOTOR CONTROL SYSTEMS
G
PC AND VME BASED INSTRUMENTATION
G
CONDITIONER FOR STANDARD SENSOR
OUTPUTS
G
TEST EQUIPMENT PIN DRIVER
DESCRIPTION
This product is a monolithic programmable voltage-to-
current or voltage-to-voltage analog line driver circuit.
It can convert a
±
10V input into either an output
voltage or current with remote sensing. It provides
drive for external transistors to boost output current to
greater than
±
25mA levels.
Current and voltage sensing can be performed simulta-
neously. Current sensing is achieved through a single
external sense resistor. Voltage sensing is performed
directly across the load. The logic inputs provide for
both output disable and switching between constant
current or constant voltage output functions. An open
collector output provides an error flag for open circuit
loads. The output disable function allows full control
of the output even during power-on and power-off
sequencing. The instrumentation amplifiers are de-
signed to insure that load noise is not circulated within
the control loop.
ALD1000
ALD1000
100
SV
Phase
IA
1
IA
2
Phase Compensation
Voltage Error
Indication
External PNP
Drive
Internal Drive
External NPN
Drive
Open-Loop
Gain Control
IAs Provide
Closed-Loop
Gain Control
IA Gain
Control
V
IN1
V
IN2
Input
Select
Output
Disable
Input Over-Voltage Protection
1996 Burr-Brown Corporation
PDS-1292A
Printed in U.S.A. October, 1996
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