����������������������������������������������������������������� ꢀMaxim Integrated Productsꢀ ꢀ 1
19-5768; Rev 2; 9/11
DS1091L
Automotive Temperature Range
Spread-Spectrum EconOscillator™
General Description
Features
The DS1091L is a low-cost clock generator that is factory
trimmed to output frequencies from 130kHz to 66.6MHz
with a nominal accuracy of 0.25%. The device can also
produce a center- or down-dithered spread-spectrum
output with pin-selectable dither magnitude and rate.
SꢀSpread-SpectrumꢀClockꢀOutputꢀfromꢀ130kHzꢀtoꢀ
66.6MHz
Sꢀ-40°Cꢀtoꢀ+125°CꢀOperatingꢀTemperatureꢀRange
Sꢀ 1.ꢁ5ꢂꢀAccuracyꢀAcrossꢀTemperatureꢀandꢀVoltage
SꢀFactoryꢀTrimmed
®
Assembled in an 8-pin µMAX package, the DS1091L
is designed to operate with a 3.0V to 3.6V power supply
over the automotive temperature range (-40°C to +125°C).
SꢀCenter-Ditheredꢀ(DS1091LUA)ꢀorꢀDown-Ditheredꢀ
(DS1091LUB)ꢀSpread-SpectrumꢀOutput
SꢀPin-SelectableꢀCenter-DitherꢀMagnitudeꢀofꢀ0ꢂ,ꢀ
Applications
1ꢂ,ꢀ 2ꢂ,ꢀorꢀ 4ꢂ
Automotive Infotainment
POS Terminals
LCD Displays
SꢀPin-SelectableꢀDown-DitherꢀMagnitudeꢀofꢀ0ꢂ,ꢀ-2ꢂ,ꢀ
-4ꢂ,ꢀorꢀ-8ꢂ
SꢀPin-SelectableꢀDitherꢀRate
Sꢀ3.0Vꢀtoꢀ3.6VꢀSupplyꢀOperation
SꢀLead(Pb)-Free,ꢀ8-PinꢀµMAXꢀPackage
Printers
Industrial Control
Typical Operating Circuit
Custom Frequency Options
Custom frequency options are available. See the
Ordering Information or contact the factory by email at
custom.oscillators@maxim-ic.com for more information.
V
CC
f
OUT
DR
OUT
8
7
1
2
V
CC
N.C.
V
CC
DS1091L
DECOUPLING
CAPACITORS
GND
SEL1
N.C.
Ordering Information appears at end of data sheet.
V
CC
3
4
6
5
SEL0
EconOscillator is a trademark and µMAX is a registered trademark of Maxim Integrated Products, Inc.
For related parts and recommended products to use with this part, refer to: www.maxim-ic.com/DS1091L.related
Forꢀpricing,ꢀdelivery,ꢀandꢀorderingꢀinformation,ꢀpleaseꢀcontactꢀMaximꢀDirectꢀatꢀ1-888-629-4642,ꢀ
orꢀvisitꢀMaxim’sꢀwebsiteꢀatꢀwww.maxim-ic.com.