CMOS Oscillator Low Power
OV7604C7
Specifications
Product
Option
Codes
Parameters
OV7604C7
Frequency:
32.7680kHz
Calibration tolerance:
(VDD = 3.0V)
±10ppm
±20ppm
Other
A
B
specify
Turnover temperature (T0):
+25°C ±5°C
Frequency / temp coefficient:
-0.035ppm/°C2 ±10%
3.30
(max)
Operating temperature range:
-40 to +85°C
-40 to +125°C
1.60
(max)
E
1.00
(max)
Storage temperature range:
-55 to +125°C
SOLDER PAD LAYOUT
1.70
Supply voltage (VDD):
Operable from 1.2 ~ꢀ5.5V
0.50
1
4
2
3
0.40
0.80
Supply current (backup mode):
0.3μA typ, 0.5μA max
0.75
0.75
1.00
1.00
(VDD = 3.0V, output disabled)
TOP VIEW
Logic levels:
‘0’ level = 0.4V max
‘1’ level = VDD-0.4V min
PAD CONNECTION
1
2
3
4
Output
Ground
Waveform symmetry:
40:60 max @ꢀ50%VDD
Enable/Disable
Supply
Driving ability:
15pF CMOS
Voltage coefficient:
±1.5ppm/V max
70ns max
Features
Rise / fall time:
Start up time: 500ms max @ꢀ25°C
Ultra low power consumption
World’s smallest LFꢀoscillator
Tight frequency tolerance
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
Industrial and extended temperature ranges
High shock and vibration resistance
Soldering condition:
Reflow, 260°C, 20 sec max
Block Diagram
Standard. Optional - Please specify required code(s) when ordering
32.768kHz
CRYSTAL
Ordering Information
4
2
V
DD
OSC
Product + option code
eg: OV7604C7/B ±20ppm (standard)
Option code X (eg OV7604C7/X) denotes a custom spec.
GND
1
3
CLKOUT
CLKOE
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
Fax: +44 1460 256 101
E-mail: sales@golledge.com
Web: www.golledge.com
23 May 2011
