AP8921A_15 Datasheet, PDF (16/18 Pages) Aplus Intergrated Circuits – APLUS INTEGRATED CIRCUITS INC

Integrated Circuits Inc.
OSCILLATOR RESISTANCE TABLE
aP8921A/10A
Sampling Frequency
KHz
22
18
16
15
13
12
11
10
9
8
7
6
R_OSC
KΩ
83
108
125
134
158
168
183
202
227
252
296
344
R_OSC
KΩ
400
370
350
330
300
280
250
220
200
170
150
120
100
91
82
Sampling Frequency
KHz
5.4
5.9
6.3
6.5
7.0
7.6
8.5
9.5
10.3
11.9
13.8
16.5
19.3
20.5
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
aP8921A Freqency Stability (Rosc = 293K Ohm)
10.0%
5.0%
0.0%
-5.0%
-10.0%
-15.0%
-20.0%
-25.0%
-30.0%
5.50 5.00 4.50 4.00 3.50 3.00 2.60
VDD (V)
Ver 5.0
16
Aug 23, 2011