參數(shù)資料
型號: I5104X
廠商: WINBOND ELECTRONICS CORP
元件分類: 音頻合成
英文描述: SINGLE-CHIP 1 TO 16 MINUTES DURATION VOICE RECORD/PLAYBACK DEVICES WITH DIGITAL STORAGE CAPABILITY
中文描述: 240 SEC, SPEECH SYNTHESIZER WITH RCDG, UUC25
封裝: DIE-25
文件頁數(shù): 53/88頁
文件大?。?/td> 612K
代理商: I5104X
ISD5100 – SERIES
Publication Release Date: October, 2003
- 53 -
Revision 0.2
AUX IN (Auxiliary Input)
The AUX IN is an additional audio input to the ISD5100-Series, such as from the microphone circuit in
a mobile phone “car kit.” This input has a nominal 694 mV p-p level at its minimum gain setting (0 dB).
See the
AUX IN Amplifier Gain Settings table
on page 56. Additional gain is available in 3 dB
steps (controlled by the I
2
C interface) up to 9 dB.
AUX IN Input Modes
AUX IN Amplifier Gain Settings
CFG0
AXG1
AXG0
0
0
0
1
1
0
1
1
Setting
(1)
0TLP Input
V
P-P
Gain
(2)
Array
In/Out V
P-P
Speaker
Out V
P-P
0 dB
3 dB
6 dB
9 dB
0.694
0.491
0.347
0.245
1.00
1.41
2.00
2.82
0.694
0.694
0.694
0.694
0.694
0.694
0.694
0.694
1.
Gain from AUX IN to ANA OUT
2.
Gain from AUX IN to ARRAY IN
3. 0TLP Input is the reference Transmission Level Point that is used for testing. This level is typically 3 dB
below clipping
4.
Differential
Gain
Setting
00
01
10
11
Resistor Ratio
(Rb/Ra)
40.1 / 40.1
47.0 / 33.2
53.5 / 26.7
59.2 / 21
Gain
Gain
(2)
(dB)
0
3
6
9
1.0
1.414
2.0
2.82
Note: Ra & Rb are in k
AUX IN
Input
ANA IN
Input Amplifier
NOTE:
f
CUTTOFF
2xR
a
C
CCUP
1
Ra
Rb
C
COUP =
0.1
ìF(xiàn)
Internal to the device
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