Datasheet

CMOS Oscillator Low Power
OV7604C7
Specifications
Product
Parameters
OV7604C7
32.7680kHz

±20ppm
Other


Turnover temperature (T0):
+25°C ±5°C

Frequency / temp coefficient:
-0.035ppm/°C2 ±10%

Operating temperature range:
-40 to +85°C
-40 to +125°C


Storage temperature range:
-55 to +125°C

Supply voltage (VDD):
Operable from 1.2 ~ 5.5V

Frequency:
Calibration tolerance:
(VDD = 3.0V)
3.30
(max)
1.60
(max)
1.00
(max)
SOLDER PAD LAYOUT
1.70
1
4
0.50
2
3
0.75
0.40
Supply current (backup mode):
0.3μA typ, 0.5μA max
(VDD = 3.0V, output disabled)
0.80
0.75
1.00
1.00
TOP VIEW
PAD


Waveform symmetry:
40:60 max @ 50%VDD

Driving ability:
15pF CMOS

±1.5ppm/V max

70ns max

500ms max @ 25°C

Enable / disable function:
Control via pad 3

Ageing: ±3ppm max first year @ 25°C

Shock and vibration resistance:
±5ppm, 5,000g, 0.3ms, ½ sine
±5ppm, 20g, 10.0 ~ 2,000Hz


Soldering condition:
Reflow, 260°C, 20 sec max

CONNECTION
1
Output
2
Ground
3
Enable/Disable
4
Supply
B
specify

‘0’ level = 0.4V max
‘1’ level = VDD-0.4V min
Logic levels:
Option
Codes
Voltage coefficient:
Features





Rise / fall time:
Start up time:
Ultra low power consumption
World’s smallest LF oscillator
Tight frequency tolerance
Industrial and extended temperature ranges
High shock and vibration resistance
 Standard.  Optional - Please specify required code(s) when ordering
Block Diagram
VDD
GND
CLKOUT
CLKOE
4
Ordering Information
32.768kHz
CRYSTAL
Product + option code
eg: OV7604C7/B ±20ppm (standard)
Option code X (eg OV7604C7/X) denotes a custom spec.
OSC
2
1
3
OUTPUT
CONTROL
 Available on T&R - 1k or 3k pcs per reel.
 Refer to our website for T&R and soldering details.
Enable / Disable Function
Input (pad 3)
Output (pad 1)
‘1’ level
‘0’ level
Enabled
Disabled
Note: Pad 3 should not be allowed to float.
Tel: +44 1460 256 100
09 Apr 2014
Fax: +44 1460 256 101
E-mail: sales@golledge.com
Web: www.golledge.com
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