APR9301 Aplus Integrated circuits Inc., APR9301 Datasheet - Page 4

• Manufacturer Part Number: APR9301
• Description: Apr9301 Re-recording Voice Ic
• Manufacturer: Aplus Integrated circuits Inc.

Figure 3 Sample Application for the APR9301 :
NC=No Connect (must be floating)
Pins 23 and 27 have internal pull-up resistors.
The typical sampling frequency is 6.4kHz with OscR=52Kω
Table 1 Typical Dependence of Sampling Frequency and Total Voice Duration on OscR
Resistor Value
http://www.aplusinc.com.tw
OscR value
38
52
67
75
K
K
K
K
Ω
Ω
Ω
Ω
Sampling Frequency
Typical
6.4
5.3
4.5
(VccA = VccD = 5V; VssA = Vssd = 0V; TA = 25℃)
8
K
K
K
K
H
H
H
H
Z
Z
Z
Z
INTEGRATED CIRCUITS INC.
(3dB Point)
Page
Frequency
3.4
2.7
2.3
Cutoff
2
K
K
K
K
H
H
H
H
Z
4
Z
Z
Z
/
10
Total Voice Duration
16
20
24
30
Typical
SECONDS
SECONDS
SECONDS
SECONDS
-
APR9301
Working Voltage
4.5V ~ 6.5V
4.5V ~ 6.5V
4.8V ~ 6.5V
5.2V ~ 6.5V
VER2.3