HA7210 Datasheet, PDF (1/15 Pages) Intersil Corporation – 10kHz to 10MHz, Low Power Crystal Oscillator

Data Sheet
HA7210
February 1999 File Number 3389.8
10kHz to 10MHz, Low Power Crystal
Oscillator
The HA7210 is a very low power crystal-controlled oscillators
that can be externally programmed to operate between 10kHz
and 10MHz. For normal operation it requires only the addition
of a crystal. The part exhibits very high stability over a wide
operating voltage and temperature range.
The HA7210 also features a disable mode that switches the
output to a high impedance state. This feature is useful for
minimizing power dissipation during standby and when
multiple oscillator circuits are employed.
Ordering Information
PART NUMBER
(BRAND)
HA7210IP
HA7210IB
(H7210I)
HA7210Y
TEMP.
RANGE (^oC)
PACKAGE
-40 to 85 8 Ld PDIP
-40 to 85 8 Ld SOIC
-40 to 85 DIE
PKG.
NO.
E8.3
M8.15
Pinout
HA7210
(PDIP, SOIC)
TOP VIEW
V_DD 1
OSC IN 2
OSC OUT 3
V_SS 4
8 ENABLE
7 FREQ 2
6 FREQ 1
5 OUTPUT
Features
• Single Supply Operation at 32kHz . . . . . . . . . . . . 2V to 7V
• Operating Frequency Range . . . . . . . . . 10kHz to 10MHz
• Supply Current at 32kHz . . . . . . . . . . . . . . . . . . . . . . 5µA
• Supply Current at 1MHz . . . . . . . . . . . . . . . . . . . . . 130µA
• Drives 2 CMOS Loads
• Only Requires an External Crystal for Operation
Applications
• Battery Powered Circuits
• Remote Metering
• Embedded Microprocessors
• Palm Top/Notebook PC
• Related Literature
- AN9334, Improving HA7210 Start-Up Time
Typical Application Circuit
0.1µF V_DD
32.768kHz
CRYSTAL
1
8
2
7
HA7210
3
6
4
5
(NOTE 1)
32.768kHz
CLOCK
32.768kHz MICROPOWER CLOCK OSCILLATOR
NOTE:
1. Internal pull-up resistors provided on EN, FREQ1, and FREQ2
inputs.
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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