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REF1004 Schematic ( PDF Datasheet ) - Burr-Brown Corporation

Teilenummer REF1004
Beschreibung 1.2V and 2.5V Micropower VOLTAGE REFERENCE
Hersteller Burr-Brown Corporation
Logo Burr-Brown Corporation Logo 




Gesamt 7 Seiten
REF1004 Datasheet, Funktion
REF1004
1.2V and 2.5V Micropower
VOLTAGE REFERENCE
FEATURES
q INITIAL ACCURACY:
REF1004-1.2 ±4mV
REF1004-2.5 ±20mV
q MINIMUM OPERATING CURRENT:
REF1004-1.2 10µA
REF1004-2.5 20µA
q EXCELLENT LONG TERM
TEMPERATURE STABILITY
q VERY LOW DYNAMIC IMPEDANCE
q OPERATES UP TO 20mA
q PACKAGE: 8-Lead SOIC
APPLICATIONS
q BATTERY POWERED TEST EQUIPMENT
q PORTABLE MEDICAL INSTRUMENTATION
q PORTABLE COMMUNICATIONS DEVICES
q A/D AND D/A CONVERTERS
q NOTEBOOK AND PALMTOP COMPUTERS
DESCRIPTION
The REF1004-1.2 and REF1004-2.5 are two terminal
bandgap reference diodes designed for high accuracy
with outstanding temperature characteristics at low
operating currents. Prior to the introduction of the
REF1004 Micropower Voltage References, accuracy
and stability specifications could only be attained by
expensive screening of standard devices. The REF1004
is a cost effective solution when reference voltage
accuracy, low power, and long term temperature sta-
bility are required.
REF1004 is a drop-in replacement for the LT1004 as
well as an upgraded replacement of the LM185/385
series references. The REF1004C is characterized for
operation from 0°C to 70°C and the REF1004I is
characterized for operation from –40°C to +85°C.
The REF1004 is offered in an 8-lead Plastic SOIC
package and shipped in anti-static rails or tape and
reel.
Typical Operating Circuit
NC 1
NC 2
NC 3
Anode 4
8 Cathode
7 NC
6 Cathode
5 NC
(Top View)
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 • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©1992 Burr-Brown Corporation
PDS-1172
Printed in U.S.A. October, 1993






REF1004 Datasheet, Funktion
TYPICAL PERFORMANCE CURVES 2.5V (CONT)
TA = +25°C unless otherwise noted.
1400
1200
1000
800
600
400
200
0
10
NOISE VOLTAGE
IREF = 100µA
100 1k 10k
Frequency (Hz)
100k
120
100
80
60
40
20
0
100
FILTERED OUTPUT NOISE
100µA
R
IREF = 100µA
C
1k 10k
Cutoff Frequency (Hz)
100k
RESPONSE TIME
4.0
3.0 Output
2.0
1.0 24k
VIN VOUT
0.0
5.0
0.0
0
Input
100 200 300 400 500 600
Time (µSec)
®
REF1004
6

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