ETC CH2112S

 1. General Descriptions
! " # $% & & '( & )*
"&++& 2. Features
!" '( !",
!"-* !"
./0 1
.
/2 1 /34 5
/16 5 7.1 1 1 1 !",8")* !"9"! !" !"9"1 !"% 3. Function Block Diagram
1,2/0
*
&
+
)
!
"
,-./0
$%
&
!
"
# '
)
(
)
'
(
4. Pin Descriptions
0 2 ' 5 6 3 4 1?
0?'
5?3
4?
0
2
'
5
6
7 7
7
#=#
->
->
?
0
9?90
-?-0
?0
%
'
9<
(==
(%%
=$
3
#=#
4
01
<B
=$
0
7"
*
0
00
02
(
$
7: #;:&&0&2 261 <
& <
& #& : : &++ &++ $%8!&0,!!
$%!
$%!
$%!
$%!
<9%0&2%@-$=7($#9A=0(9<9#7))=# !!&)
#=($#9A=0( '(
)., (%%.,
<" & B (%%&
$%,!! <"&""" , ).""!&8"8
+ (.""!&$%"8
+ "! , ). (. <"A)%
" ). (. 5. Function Descriptions
B=)=$C)7,
DE<"B.<""" DEB".
9 #$% B=$C) B=$C1 - 99&"F
GB=$C1 9-&"$ 1 5%H"F
G"=$C1 % 9&" # "+ = 0 1 34 5 &$ 2 1 16 5 & A B&$%"" 5&!
8 B!& 06 ' 44 ' &++I-,-,-
-,-,-I2&".
---
1 '1 '1 '1 '1 ' 1 06'
06 ' 44 ' &++I-,-,-,-,I2&". -
1 ' 1 '
J """!1 K B!&"1& 8"
,% D0EB"&++"I-I1 ' D2EB"., 1 '9 D'E#:++' 0K+ D5E9DE,9&"! 0' 1 1'(.
9.B=$C).
#8I I+&
-.B=$C1.
#$%+&
D6EB#=#(%%&$%!!&
L7 D3E < <9%))=##
<9%)))=#
(
<
<. D4E#".
#
0 1 ?2 1
34 5 ?16 5
9
1 1 7
1 1 =$<. D1E#".
#
0 1 ?22 1
9
1 7
1 34 5 ? 1 1 B=$C.7,
DE<"B.<""" DEB".
9 #%
,F
G"
- 99&""&$%"
,&F
G" 9-&$%05 '46 6 % 9&" # "> = B&,""
3 B&,"3 0 1 34 5 &$ A 22 1 & B&$%"" 5&!
8 J B!& 06 ' 44 ' & #++I-,-,--,-,-I2&".
---
1 '1 '1 '1 '1 ' 1 06'
06 ' 44 ' &++I-,-,-,-,I2&". -
1 ' 1 '
K """!1 $ B!&"1&
& 8" B!&
++" D0EB"&++"F-G1 ' D2EB"., 1 '9 D'E#:++2K+ D5E9DE,-&"! 0' 1 1'(&$%"8G G
& D6EB&$%G=G&"
D3EB#=#(%%&$%!!&
L7
D4E
< < <9%))=##
<9%B#@#
(
))=#
<
<
)
=
7M
=
7M@)#)
@)#)
=$<.)))=# D1E#=7
=#=7#=797#=7-=$B.
#=
<=79#@7=
0 1 ?22 1
34 5 ? 79)A=
9@79)M
1 1 7=$@#)
1 1 6. Absolute Maximum Ratings
(All voltage referenced to GND)
(
*(
#
#
(
(*(
#
#
(
(
Note: These are stress ratings only. Stresses exceeding the range specified under “Absolute Maximum
Ratings” may cause substantial damage to the device. Functional operation of this device at other
conditions beyond those listed in the specification is not implied and prolonged exposure to extreme
conditions may affect device reliability.
1? 1
A)%,1 '?(%%/1 '
,?/6'
,''?/'
7. Electrical Characteristics
(All voltage referenced to GND, Ambient temperature=25
(
9!
,
(
(
-++%!
-++8
<,"7
(
(
(
(
(
, VDD=1.5V)
(C '(&)
(C '(
(C*(
(C*(
<B<
#=#<
#=#<
0
,, '
,,
5'
01
(
N9
,, (,1 0(
(,1 (
,, 011 5 01 1
(/1 0(
(/1 (
N9
(
(
(
(
9
9
K K K 8. PAD Location
3
43(
5
3
43(
5
6
671
668.
69
'1
,6-
:6688
,
:;1
668.
6;
6
186
:6688
1
:1-<
668.
,7
,
.1-
:6688
<
:-9-
668.
,6
1
881
:6688
-
6
:897
668.
,,
6
67,<
:6688
.
:67<8
668.
,1
-6,
671,
:;8;
8
:67<<
,91
,<
4
6719
:8<6
9
'=>6
:67<8
:16
,-
!
6719
:--1
;
'=>,
:67<8
:19-
,.
!
67<;
:1-1
67
(6
:67<8
:.;-
,8
)
67<;
<
66
(,
:67<8
:;6.
,9
,
67<;
,-8
6,
(1
:67<8
:6688
,;
4$
67<;
-;7
61
6
:99.
:6688
17
)
67<;
9,.
6<
,
:.,6
:6688
16
)$
;87
668.
6-
1
:<87
:6688
1,
()
878
668.
6.
'6
:,7-
:6688
11
&3
-,7
6688
68
',
:<;
:6688
1<
)/
1<1
668.
.
-
<
1
,
1<
11
1,
16
6 17
,;
,9
8
5 ,8
?7C7A 9 ,.
;
,-
,<
67
66
6,
,1
61
6<
?,<;7@,8-7A
6-
6.
68
69
6;
,7
,6
,,
3
B##
!
9. Application Circuit
#"!"
±
±
±
±
#"!#
±
±
±
±
#"!$
±
±
±
±
=$<.
=$<.$%,
=$<.
=$<.($%,
#$
#$
#$
#$
#$
#$
"
!
#$
#$
#$
#$
#$
#$
"
!
#""*
! < 8 ,, ) : " &