TC9491ACOA TelCom Semiconductor, TC9491ACOA Datasheet

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TC9491ACOA

Manufacturer Part Number
TC9491ACOA
Description
LOW POWER/ BANDGAP VOLTAGE REFERENCES
Manufacturer
TelCom Semiconductor
Datasheet
LOW POWER, BANDGAP VOLTAGE REFERENCES
FEATURES
APPLICATIONS
PIN CONFIGURATIONS
(BOTTOM VIEW)
TO-92 PLASTIC
Temperature Coefficient ......................... 50ppm/ C
Wide Operating Current Range ....... 15 A to 20mA
Dynamic Impedance ......................................... 0.6
Output Tolerance ...................................... 1% or 2%
Output Voltage Option .................................. 1.220V
TO-92 Plastic Package
8-Pin Plastic Small Outline (SO) Package
ADC and DAC Reference
Current Source Generation
Threshold Detectors
Power Supplies
Multi-meters
3
TC94191BCZB
TC9491ACZB
TELCOM SEMICONDUCTOR, INC.
NC = NO INTERNAL CONNECTION
1
ANODE
NC
NC
NC
PLASTIC PACKAGE
SURFACE MOUNT
4
1
2
3
TC9491ACOA
TC94191BOA
8
7
6
5
CATHODE
NC
NC
NC
GENERAL DESCRIPTION
bandgap voltage references offer precision performance
without premium price. These devices do not require thin-
film resistors, greatly lowering manufacturing complexity
and cost.
to 20mA operating current range make these devices at-
tractive for multimeter, data acquisition converter, and tele-
communication voltage references.
ORDERING INFORMATION
Part No.
TC9491ACOA
TC9491BCOA
TC9491ACZM
TC9491BCZM
The TC9491 (1.220V output) bipolar, two-terminal,
A 50ppm/ C output temperature coefficient and a 15 A
Package
8-Pin SOIC 0 C to +70 C
8-Pin SOIC 0 C to +70 C
TO-92
TO-92
Range
Temperature
0 C to +70 C
0 C to +70 C
TC9491A
TC9491B
TC9491A/B-3 8/23/96
100 ppm C
100 ppm C
Tempco.
50 ppm C
50 ppm C
3-15
1
2
3
4
5
6
7
8

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TC9491ACOA Summary of contents

Page 1

... A 50ppm/ C output temperature coefficient and 20mA operating current range make these devices at- tractive for multimeter, data acquisition converter, and tele- communication voltage references. ORDERING INFORMATION Part No. Package Range TC9491ACOA 8-Pin SOIC +70 C TC9491BCOA 8-Pin SOIC +70 C TC9491ACZM TO-92 TC9491BCZM TO-92 ...

Page 2

... TC9491 TC9491B Max Min Typ Max Unit 1.200 1.220 1.250 1.219 — 1.260 15 — 8 — — 20 1.0 — — 1.0 1.5 — — 1.5 10 — — — — 25 — — 0.6 — 50 — — 100 ppm/ C — — 20 — ppm/kHR TELCOM SEMICONDUCTOR, INC ...

Page 3

... C A 100 10 1 0.1 0 0.25 0.5 0.75 OUTPUT VOLTAGE (V) Forward Voltage vs. Forward Current 1 + 1.0 0.8 0.6 0.4 0.2 0 0.01 0.1 1 FORWARD CURRENT (mA) TELCOM SEMICONDUCTOR, INC. Battery Powered 1.25V Reference +9V 360 10V OUT 1.25V TC9491 Output Voltage Change vs. Reverse Current + 1.0 1.25 0.01 0.1 1.5 REVERSE CURRENT (mA) 10.0 ...

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