ds76khz Maxim Integrated Products, Inc., ds76khz Datasheet

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ds76khz

Manufacturer Part Number
ds76khz
Description
Ds76khz 76.8khz Tcxo
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
FEATURES
DESCRIPTION
The DS76KHz is a temperature-compensated crystal oscillator (TCXO) with an output frequency of 76.8
kHz.
DS76KHz-N respectively.
The DS76KHz requires four pins for operation: V
3 for connection schemes. Power is applied via V
output in the absence of power. The output is accurate to 7.5 ppm from -40 C to +85 C and 2 ppm
from 0°C to 40°C.
The DS76KHz is packaged in a small 36-pin SMD, utilizing Ball Grid Array (BGA) technology, with
dimensions 0.400 inches wide, 0.450 inches long, and 0.180 inches high.
The recommended land pattern layout is shown on page 5.
The additional board space required is negligible in most applications and therefore the recommended
land pattern layout should be implemented on all new designs and future board revisions to satisfy
applications requiring better accuracy.
www.dalsemi.com
Accurate to 7.5 ppm (-40 C to +85 C)
Accurate to 2 ppm (0 C to 40 C)
Battery back up for continuous output
V
V
V
Operating temperature range:
No calibration required
Low power consumption
Surface mountable
BAT
CC
CC
COM: 0 C to 70 C
IND: -40 C to +85 C
V
V
76KHz:
GND:
This device is available in commercial and industrial temperature versions, DS76KHz and
grounded)
operating voltage 4.5 to 5.5 volts
operating voltage 2.7 to 5.5 volts (with
CC
BAT
:
:
C2, C3, D2, D3
A4, A5, B4, B5
C4, C5, D4, D5
All Remaining Balls
CC
CC
1 of 5
, GND, V
and GND, while V
PIN ASSIGNMENT
1
2
3
4
5
6
7
8
9
BAT
A
and 76KHz OUT. See Figures 1, 2 and
B
DS76KHz 36-Pin SMD
(TOP VIEW)
BAT
is used to maintain the 76KHz
76.8 kHz TCXO
C
DS76KHz
D
PRELIMINARY
050599

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ds76khz Summary of contents

Page 1

... The output is accurate to 7.5 ppm from - +85 C and 2 ppm from 0°C to 40°C. The DS76KHz is packaged in a small 36-pin SMD, utilizing Ball Grid Array (BGA) technology, with dimensions 0.400 inches wide, 0.450 inches long, and 0.180 inches high. ...

Page 2

... V DS76KHz can be used when only a single supply is available. V then be held between 2.7 and 5.5 volts. The V external components. Figure 2.0 illustrates how the DS76KHz can be used in a single supply system. DS76KHz CONNECTIONS should be between 2.7 and 3.3 volts. Figure 2.0 shows how the ...

Page 3

... All Dallas Semiconductor devices are made using the same quality materials and manufacturing methods. However, the DS76KHz is not exposed to environmental stresses, such as burn-in, that some industrial applications require. For specific reliability information on this product, please contact the factory in Dallas at (972) 371-4448. ...

Page 4

... Typical values are at +25°C and nominal supplies. 3. This current is the active mode current sourced from the backup supply/battery. 4. These parameters are measured using load. 5. DS76KHz-N is tested over the industrial temperature range to meet the specifications above. 6. These parameters are measured with V 7. When V ...

Page 5

... RECOMMENDED LAND PATTERN LAYOUT (36-Pin BGA DS76KHz ...

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