DS1091LUA+027 MAXIM [Maxim Integrated Products], DS1091LUA+027 Datasheet

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DS1091LUA+027

Manufacturer Part Number
DS1091LUA+027
Description
Automotive Temperature Range Spread-Spectrum Econoscillator
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.DS1091LUA027.pdf (6 pages)
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.
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).
Rev 0; 9/06
+ Denotes lead-free package.
xxx Denotes factory-programmed custom frequencies.
Email Custom_EconOscillators_Info@dalsemi.com for information/questions concerning custom frequencies.
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
DECOUPLING
CAPACITORS
DS1091LUA+027
DS1091LUA+033
DS1091LUA+066
DS1091LUB+027
DS1091LUB+033
DS1091LUB+066
DS1091LUA+xxx
DS1091LUB+xxx
V
CC
Automotive Infotainment
POS Terminals
LCD Displays
Printers
Industrial Control
PART
f
OUT
Typical Operating Circuit
SEL1
OUT
GND
V
CC
1
2
3
4
General Description
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
TEMP RANGE
8 µMAX
8 μMAX
DS1091L
Applications
______________________________________________ Maxim Integrated Products
Spread-Spectrum Econoscillator
Automotive Temperature Range
8
7
5
6
PIN-PACKAGE
SEL0
DR
N.C.
N.C.
8 µMAX
8 µMAX
8 µMAX
8 µMAX
8 µMAX
8 µMAX
8 µMAX
8 µMAX
V
V
CC
CC
♦ Spread-Spectrum Clock Output from 130kHz to
♦ Operating Temperature Range of -40°C to +125°C
♦ Accuracy of ±1.75% Across Temperature and
♦ Factory Trimmed
♦ Center-Dithered (DS1091LA) or Down-Dithered
♦ Pin-Selectable Center-Dither Magnitude of 0%,
♦ Pin-Selectable Down-Dither Magnitude of 0%, -2%,
♦ Pin-Selectable Dither Rate
♦ 3.0V to 3.6V Supply Operation
♦ Lead-Free 8-Pin µMAX Package
66.6MHz
Voltage
(DS1091LB) Spread-Spectrum Output
±1%, ±2%, or ±4%
-4%, or -8%
SPREAD SPECTRUM
TOP VIEW
Center
Center
Center
Center
Down
Down
Down
Down
SEL1
GND
OUT
V
CC
1
2
3
4
Ordering Information
DS1091L
µMAX
μMAX
OUTPUT FREQUENCY (MHz)
Pin Configuration
Custom (Contact Factory)
Custom (Contact Factory)
7
5
8
6
DR
N.C.
N.C.
SEL0
27.0
33.3
66.6
27.0
33.3
66.6
Features
1

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DS1091LUA+027 Summary of contents

Page 1

... Automotive Infotainment POS Terminals LCD Displays Printers Industrial Control PART TEMP RANGE DS1091LUA+027 -40°C to +125°C DS1091LUA+033 -40°C to +125°C DS1091LUA+066 -40°C to +125°C DS1091LUA+xxx -40°C to +125°C DS1091LUB+027 -40°C to +125°C DS1091LUB+033 -40° ...

Page 2

Automotive Temperature Range Spread-Spectrum Econoscillator ABSOLUTE MAXIMUM RATINGS Voltage on V Relative to Ground.......................-0.5V to +6.0V CC Voltage on DR, SEL0, SEL1 Relative to Ground* ..............................................-0. This voltage must not exceed 6.0V. Stresses beyond those listed under ...

Page 3

AC ELECTRICAL CHARACTERISTICS (continued -40°C to +125° +3.0V to +3.6V PARAMETER Duty Cycle Jitter (RMS), 50MHz Note 1: All voltages are referenced to ground. Currents entering the IC are specified positive and currents exiting ...

Page 4

Automotive Temperature Range Spread-Spectrum Econoscillator (T = +25° 3.3V, unless otherwise noted OUTPUT RISE TIME 3.5 3.0 RISE TIME 2.5 = 1.02ns TYPICAL 2.0 AT 12pF LOAD 1.5 1.0 0.5 0.0 TIME (ns) PIN NAME µMAX8 ...

Page 5

DS1091L GND DITHER RATE DIVIDER WHERE f IS THE MASTER OSCILLATOR FREQUENCY. MOSC Detailed Description The DS1091L is a clock generator that is capable of output frequencies from 130kHz to 66.6MHz over the full automotive temperature ...

Page 6

Automotive Temperature Range Spread-Spectrum Econoscillator IF DITHER AMOUNT = 0% PROGRAMMED f + OUT (1%, 2 OUT PROGRAMMED f OUT PROGRAMMED f - OUT (1%, 2 OUT 1 DITHER FREQ ...

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