Rainbow Electronics aP8910A - Manual (Page 15)

Integrated Circuits Inc. aP8921A/10A
Ver 2.0 Dec 6, 2006 15
OSCILLATOR RESISTANCE TABLE
Sampling Frequency R
OSC
R
OSC
Sampling Frequency
KHz KΩ KΩ KHz
22 83 400 5.4
18 108 370 5.9
16 125 350 6.3
15 134 330 6.5
13 158 300 7.0
12 168 280 7.6
11 183 250 8.5
10 202 220 9.5
9 227 200 10.3
8 252 170 11.9
7 296 150 13.8
6 344 120 16.5
100 19.3
91 20.5
82 22.4
Note: The data in the above tables are within 3% accuracy and measured at V
DD
= 4.5V. Oscillator
frequency is subjected to IC lot to lot variation.
FREQUENCY AGAINST VDD STABILITY
a P8 9 2 1 A Fre q e n c y St a b i l i t y (R o sc = 2 9 3 K Oh m )
-30.0%
-25.0%
-20.0%
-15.0%
-10.0%
-5.0%
0.0%
5.0%
10.0%
5.50 5.00 4.50 4.00 3.50 3.00 2.60
VDD (V)
△
F
(%
)