參數(shù)資料
型號: CXA1898Q
廠商: Sony Corporation
元件分類: 外設(shè)及接口
英文描述: Single Supply RS232C Line Driver/Receiver(?????μ?o?RS232C ?o?????????¨???2???2??????)
中文描述: 單電源RS232C接口線路驅(qū)動器/接收器(單電源RS232C接口線收發(fā)器(2發(fā)2收))
文件頁數(shù): 20/26頁
文件大?。?/td> 660K
代理商: CXA1898Q
– 20 –
CXA1898Q
3. AMS
(1) AMS output logic
AMS OUT (Pin 2) is an open collector output pin. When a 2.2k
resistor is connected to V
DD
:
Low
: approximately 0.5V (I
OL
= 2mA (max.))
High : V
DD
Fig. 1 shows the AMS block diagram.
Fig. 1 AMS Block Diagram
Fig. 2 shows the frequency response of the signal output from HPF.
Fig. 2 Frequency Response
Detection status
AMS OUT (Pin 2)
Signal detection
L
No signal detection
H
2
3
1
48
PB OUT1
PB OUT2
2
2
SA
LPF
DET
25kHz
100k
GND
V
DD
V
DD
V
DD
GND
AMS GND
AMS OUT
AMS FIL
C
R
R
C
R
HPF
AMS GAIN
Inside IC
f
C
G
10
1kHz
25kHz
100kHz
GAIN
(dB)
f (Hz)
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