CMOS Oscillator Low Power
Specifications
OV7604C7
Parameters
Frequency:
Calibration tolerance:
(V
DD
= 3.0V)
32.7680kHz
±20ppm
Other
Product
OV7604C7
B
specify
Option
Codes
Turnover temperature (T
0
):
+25°C ±5°C
Frequency / temp coefficient:
-0.035ppm/°C
2
±10%
Operating temperature range:
-40 to +85°C
-40 to +125°C
Storage temperature range:
-55 to +125°C
SOLDER PAD LAYOUT
1.70
1
4
0.75
2
3
0.50
0.75
1.00
1.00
TOP VIEW
PAD
1
2
3
4
CONNECTION
Output
Ground
Enable/Disable
Supply
3.20
±0.10
1.50
±0.10
1.00
(max)
E
Supply voltage (V
DD
):
Operable from 1.2 ~ 5.5V
Supply current (backup mode):
0.3μA typ, 0.5μA max
(V
DD
= 3.0V, output disabled)
Logic levels:
‘0’
level = 0.4V max
‘1’
level = V
DD
-0.4V min
0.40
0.80
Waveform symmetry:
40:60 max @ 50%V
DD
Driving ability:
Voltage coefficient:
±1.5ppm/V max
15pF CMOS
Features
Rise / fall time:
Start up time:
70ns max
500ms max @ 25°C
Ultra low power consumption
World’s smallest LF oscillator
Tight frequency tolerance
Industrial and extended temperature ranges
High shock and vibration resistance
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
Block Diagram
4
2
1
3
OUTPUT
CONTROL
32.768kHz
CRYSTAL
OSC
Standard.
Optional - Please specify required code(s) when ordering
Ordering Information
Product + option code
eg:
OV7604C7/B
±20ppm (standard)
Option code X (eg OV7604C7/X) denotes a custom spec.
Available on T&R - 1k or 3k pcs per reel.
Refer to our website for T&R and soldering details.
VDD
GND
CLKOUT
CLKOE
Enable / Disable Function
Input (pad 3)
‘1’
level
‘0’
level
Note: Pad 3 should not be allowed to float.
Output (pad 1)
Enabled
Disabled
Tel:
+44 1460 256 100
09 Apr 2014
Fax:
+44 1460 256 101
E-mail:
sales@golledge.com
Web:
www.golledge.com
Embedded System
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