CH440、CH442、CH443、CH444、CH445 1 4 5V CH440G/P/R 2 5V CH442E 1 5V CH443K 2 5V CH444G/P 4 3.3V CH445P :2D http://wch.cn 1、 CH440G/P/R、CH442E、CH443K CH444G/P 5V , 3.3V 。CH445P 3.3V , 2.5V 。 CH440G、CH440P、CH440R CH445P QPDT 。CH440G/P/R CH445P 4 SPDT ,,, USB 。 S1A DA S2A S1B DB S2B S1C DC S2C S1D DD S2D Decode & Drive EN# IN CH442E DPDT.
0.50mm 19.7mil 0.65mm 25mil 0.50mm 19.7mil
16 16 16 10
0.65mm 26mil
6
1.27mm 50mil 16
CH440G CH440P CH440R CH442E
CH443K
CH444G
CH440、CH442、CH443、CH444、CH445
3
QFN16
3
*3mm
0.50mm 19.7mil 16
CH444P
QFN16
3
*3mm
0.50mm 19.7mil 16
CH445P
:1、 CH440E CH442E ,。
2、CH443K , 3000 ,,。
3、CH443K , 43 。
4、
4.1. CH440G、CH440P、CH440R、CH445P
CH440G CH440P CH440R CH445P
16
14
VCC
8
6、0
GND
,
15
13
EN#
,
1
15
IN
: 2#(S2x); 1#(S1x)
4、7、 9、12
2、5、 7、10
DA、DB、 DC、DD
2、5、 11、14
16、3、 9、12
S1A、S1B、 S1C、S1D
1#, IN
3、6、 10、13.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | CH440 |
ETC |
SPDT low impedance analog switch chip | |
2 | CH440G |
ETC |
SPDT low impedance analog switch chip | |
3 | CH440P |
ETC |
SPDT low impedance analog switch chip | |
4 | CH440R |
ETC |
SPDT low impedance analog switch chip | |
5 | CH442 |
ETC |
SPDT low impedance analog switch chip | |
6 | CH442E |
ETC |
SPDT low impedance analog switch chip | |
7 | CH443 |
ETC |
SPDT low impedance analog switch chip | |
8 | CH443K |
ETC |
SPDT low impedance analog switch chip | |
9 | CH444G |
ETC |
SPDT low impedance analog switch chip | |
10 | CH444P |
ETC |
SPDT low impedance analog switch chip | |
11 | CH445 |
ETC |
SPDT low impedance analog switch chip | |
12 | CH445P |
ETC |
SPDT low impedance analog switch chip |