1
1
bvDè0y?" ù?
8.2.2.2 ?è
@? D/A
1,s
2,+?
(1)
? 71|
^è
@D ???1è
@MF
(2)?] á
3|
^è
@￥ZE?]
(3)a?
y
@÷ 711 p?
D
0
D
1
D
2
D
3
S
0
S
1
S
2
S
3
-
A
R
F
v
O
i
-V
REF
16
1
8
1
4
1
2
1III
I
i’
D
i
=1,S
i
¤YQM
{ ?
D
i
=0,S
i
¤Y]M
{ ?
i
i
i
D
I
D
I
D
I
D
I
D
I
i 2
216842
3
0
40123
×=+++=
∑
=
i
i
i
F
FO
D
IR
iRv 2
2
3
0
4
×==
∑
=
iIi
IIII
i=?+++= )
2
1
1()
16842
(
4
'
??c -8.2- 8.2.2 è¨ D/Aè
^
2
bvDè0y?" ù?
8.2.2.3 ?è ??
D/A
D
i
=1,S
i
¤ V
REF
D
i
=0,S
i
¤1
yT - S’> S
0
~ S
3
¤1
yT 7
S S’ 7,D
i
→ S
i
D
0
=1
0
8
)()
428
( =?++++=
C
Vv
CC
C
C
vQ
REFoo
D
1
=1
0
4
)()
828
( =?++++=
C
Vv
CC
C
C
vQ
REFoo
D
2
=1
0
2
)()
848
( =?++++=
C
Vv
CC
C
C
vQ
REFoo
D
3
=1
0)()
8428
( =?++++= CVv
CCCC
vQ
REFoo
16
REF
o
V
v =
8
REF
o
V
v =
4
REF
o
V
v =
2
REF
o
V
v =
?F
i
i
i
REFREFREFREFREF
o
D
V
D
V
D
V
D
V
D
V
v 2
224816
3
0
43210
=+++=
∑
=
1,s
??c -8.2- 8.2.2 è¨ D/Aè
^
C
2
C
4
C
8
C
8
C
C
L
"
S
3
D
3
D
2
D
1
D
0
S
2
S
1
S
0
S'
V
REF
v
O
m ?è ??
% " $
2
3
bvDè0y?" ù?
8.2.2.3 ?è ??
D/A
D
i
=1,S
i
¤ V
REF
D
i
=0,S
i
¤1
yT - S’> S
0
~ S
3
¤1
yT 7
S S’ 7,D
i
→ S
i
D
0
=1
0
8
)()
428
( =?++++=
C
Vv
CC
C
C
vQ
REFoo
D
1
=1
0
4
)()
828
( =?++++=
C
Vv
CC
C
C
vQ
REFoo
D
2
=1
0
2
)()
848
( =?++++=
C
Vv
CC
C
C
vQ
REFoo
D
3
=1
0)()
8428
( =?++++= CVv
CCCC
vQ
REFoo
16
REF
o
V
v =
8
REF
o
V
v =
4
REF
o
V
v =
2
REF
o
V
v =
?F
i
i
i
REFREFREFREFREF
o
D
V
D
V
D
V
D
V
D
V
v 2
224816
3
0
43210
=+++=
∑
=
1,s
??c -8.2- 8.2.2 è¨ D/Aè
^
C
2
C
4
C
8
C
8
C
C
L
"
S
3
D
3
D
2
D
1
D
0
S
2
S
1
S
0
S'
V
REF
v
O
m ?è ??
% " $
2,+?
DèE?M1
(1)
l
(2) ú^? ￡
(3) ?"
aèa"
a?{
(a?èE?
b
2,+?
DèE?M1
(1)
l
(2) ú^? ￡
(3) ?"
aèa"
a?{
(a?èE?
b
4
bvDè0y?" ù?
8.2.3 "? D/A è (5G7520)
.,,
.,,
.,,
.,,
R
RR
2R 2R 2R 2R
2R
S0
S7S
8S9
D0
D7D
8D9
R1
RF
vO
VDD
VREF
IREF
i
i’
A
+
_
1
2
3
4 5 6 13
16
1415
i
i
i
REF
i
i
i
REF
D
R
V
D
I
i
2
2
1
2
2
9
0
10
9
0
10
×?=
×=
∑
∑
=
=
i
i
i
REF
i
i
i
REFF
o
D
V
D
R
VR
v
2
2
2
2
1
9
0
10
9
0
10
×?=
×=
∑
∑
=
=
D
i
=1,S
i
¤P§
D
i
=0,S
i
¤·§
R
1
=0
??c -8.2 D/AD
? ¨?? ? D/A m 8.2.9
3
5
bvDè0y?" ù?
8.3 A/DMD
Dú
D
D
HW
BQD
sO
q
{
3
ê
nV
U
Dμ
L=
{D ?XμY
8.3.1 A/D￥?1/
?
°¤ A/D
W¤ A/D A 1T 1D A 1F 1D
??c
D
D
6
bvDè0y?" ù?
8.3.2 ?" ?è
^
vI vO
v
C
S
C
+
_
A
V
L
F? 71 aè ?
? a
bv
?1?
(1) ?"
HW
(2) ?èa/?
q
??c 8.3 A/DMD
A 1?" ? 1
I
1 D
4
7
bvDè0y?" ù?
8.3.3 °¤ A/DMD
1 F?
(1)sa (2)1?
(3)7i (4)I
2 yTe ?
REF
V
15
1
~0
REF
VV
15
3
~
15
1
REF
VV
15
5
~
15
3
REF
VV
15
15
~
15
13
.
.
.
v
I
v
C7
Q
7
v
C6
Q
6
v
C1
Q
1
...
...
0
0
0
1
0
0
0
1
0
1
1
1
0
0
1
1
.
.
.
...
...
…
...
D
1
D
2
D
3
0 0 0
0 0 1
0 1 0
1 1 1
.
.
.
??c 8.3 A/DMD
8.3.3.1 i? A/D
C
7
C
6
C
5
-
C
4
C
3
C
2
C
1
R
R
R
R
R
R
R
R/2
V
REF
v
1
REF
V
15
13
REF
V
15
11
REF
V
15
9
REF
V
15
7
REF
V
15
5
REF
V
15
3
REF
V
15
1
CP
7i
I
è
^
Q
7
Q
6
Q
5
Q
4
Q
3
Q
2
Q
1
D
2
D
1
D
0
m i? " % $e ? m
-
-
-
-
-
-
8
bvDè0y?" ù?
8.3.3 °¤ A/DMD
1 F?
(1)sa (2)1?
(3)7i (4)I
2 yTe ?
REF
V
15
1
~0
REF
VV
15
3
~
15
1
REF
VV
15
5
~
15
3
REF
VV
15
15
~
15
13
.
.
.
v
I
v
C7
Q
7
v
C6
Q
6
v
C1
Q
1
...
...
0
0
0
1
0
0
0
1
0
1
1
1
0
0
1
1
.
.
.
...
...
…
...
D
1
D
2
D
3
0 0 0
0 0 1
0 1 0
1 1 1
.
.
.
??c 8.3 A/DMD
8.3.3.1 i? A/D
3 +?
a?
y
?? íq (2
n
-1)
3 +?
a?
y
?? íq (2
n
-1)
C
7
C
6
C
5
-
C
4
C
3
C
2
C
1
R
R
R
R
R
R
R
R/2
V
REF
v
1
REF
V
15
13
REF
V
15
11
REF
V
15
9
REF
V
15
7
REF
V
15
5
REF
V
15
3
REF
V
15
1
CP
7i
I
è
^
Q
7
Q
6
Q
5
Q
4
Q
3
Q
2
Q
1
D
2
D
1
D
0
m i? " % $e ? m
-
-
-
-
-
-
5
9
bvDè0y?" ù?
8.3.3.2 1i? A/D
? A/D
+?
íq
2(2
6
-1)
/?? ;
? ¨,
+?
íq
2(2
6
-1)
/?? ;
? ¨,
??c 8.3 -8.3.3 °¤ A/DMD
s
i? 12ê A/D:
ú ê
i?
ADC
DAC
? hE
? ê
i?
ADC
ê
7
i
V
REF1
CP
1
v
1
CP
2
V
REF2
D
11
D
10
D
0
CP
3
m 1i? " % $e ? m
10
bvDè0y?" ù?
8.3.3.3 ?Q/í A/D
1 F?
2 yTe ?
(1) D -,7i b
,
D=0v’
REF
= 0
(2) D?|? ?
(3) ?B?
e?
|7i
Kúê? 1
D
n-1
=1D"100…0
ü D/A e? v’
REF
=V
REF
/ 2
D v
I
1? ? v’
REF
> v
I
-
e?
7i
DAC
Hò
D
n-1
D
n-2
D
0
V
REF
v
1
v
C
v
REF
1?
b
,
D e??|
m ?Q/í
T " % $￥e ? m
’
Hv
C
= 0
1
=
n
D
? v’
REF
< v
I
Lv
C
= 1
1
=
n
D
REFREFI
VVv ~
2
1
=
REFI
Vv
2
1
~0=
??c 8.3 -8.3.3 °¤ A/DMD
(4) ?=?
D
n-2
=1,D=*100..0
.,
? n? D
0
=1
6
11
bvDè0y?" ù?
??c 8.3 -8.3.3,3 ?Q/í A/D
t
3
0
0
1
1
t
2
t
1
t
0
-
e?
7i
DAC
Hò
D
n-1
D
n-2
D
0
V
REF
v
1
v
C
v
REF
1?
b
,
D e??|
m ?Q/í
T " % $￥e ? m
’
D
2
t0
D
1
t0
D
0
t0
D
3
t0
v
I
= 1.2V
0
0
0
0
0
0
0
0
0
1
0
0
1
1 0
0
1
1
t
v
REF
/V
0
1
2
+?
a? íq
??
¤
1? nQ
a?
? aúú￥è
^
+?
a? íq
??
¤
1? nQ
a?
? aúú￥è
^
12
bvDè0y?" ù?
8.3.3.4 è ?F ??
A/D
C
S
3
S
2
S
1
V
REF
C/2 C/4 C/8 C/16
C/16
S
4
S
5
v
0
e?
è
^
S
7
S
6
v
1
S
8
3?
|
{
A
v
A
m 8.3.7 5êè ?F ??
ADCe ?m
1 F?
2 yTe ?
(1)?"¨
S
7
> A?¤1 S
1
~S
6
¤P§ S
8
¤ v
I
→v
A
=0,v
I
→ΣC →1 èè9
Q=2Cv
I
e Q= - 2Cv
I
bò e
èi%
sY1
-Cv
I
a-Cv
I
/2 a-Cv
I
/4 a-Cv
I
/8 a-Cv
I
/16 a-Cv
I
/16 a
??c 8.3 -8.3.3 °¤ A/DMD
7
13
bvDè0y?" ù?
C
S
3
S
2
S
1
V
REF
C/2 C/4 C/8 C/16
C/16
S
4
S
5
v
0
e?
è
^
S
7
S
6
v
1
S
8
3?
|
{
A
v
A
m 8.3.7 5êè ?F ??
ADCe ?m
(2) ?¨
S
7
7 S
1
~S
6
¤1 S
8
¤ v
REF
-
{1?
{ ?è
@è ?￥
Pè
@
e Q ? v
A
= - v
I
??c 8.3 -8.3.3 4 è ?F ??
A/D
14
bvDè0y?" ù?
C
S
3
S
2
S
1
V
REF
C/2 C/4 C/8 C/16
C/16
S
4
S
5
v
0
e?
è
^
S
7
S
6
v
1
S
8
3?
|
{
A
v
A
m 8.3.7 5êè ?F ??
ADCe ?m
(3)è×?s
￥¨
e Q= - 2Cv
I
è
o
?B? S
1
→V
REF
,
I
AREFA
Cv
v
CCCCC
VvCQ
2
)
1616842
()(
=
+++++?=
REFIA
Vvv
2
1
+?=
14
1
0
2
1
SD
HvvVv
OAREFI
→=→
=→<→>
?M
14
0
0
2
1
SD
LvvVv
OAREFI
→=→
=→>→<
¤1
2
4
REF
IA
V
Dvv +?=
??c 8.3 -8.3.3 4 è ?F ??
A/D
8
15
bvDè0y?" ù?
C
S
3
S
2
S
1
V
REF
C/2 C/4 C/8 C/16
C/16
S
4
S
5
v
0
e?
è
^
S
7
S
6
v
1
S
8
3?
|
{
A
v
A
m 8.3.7 5êè ?F ??
ADCe ?m
?=? S
2
→V
REF
,
I
AREFA
Cv
v
CCCC
CVv
C
Q
2
)
161684
()(
2
=
+++++?=
REFIA
Vvv
4
1
+?=
23
4
1
4
1
2
SD
HvV
V
Dv
OREF
REF
I
→=→
=→+>
?M
23
4
0
4
1
2
SD
LvV
V
Dv
OREF
REF
I
→=→
=→+<
¤1
42
34
REFREF
IA
V
D
V
Dvv ++?= I
n S
1 REF
REF
IA
V
V
Dvv
4
1
2
4
++?=
??c 8.3 -8.3.3 4 è ?F ??
A/D
16
bvDè0y?" ù?
C
S
3
S
2
S
1
V
REF
C/2 C/4 C/8 C/16
C/16
S
4
S
5
v
0
e?
è
^
S
7
S
6
v
1
S
8
3?
|
{
A
v
A
m 8.3.7 5êè ?F ??
ADCe ?m
[N ?w
∑
=
×+?=
4
0
5
2
2
i
i
i
REF
IA
D
V
vv
???=[?v tí? v
I
∑
=
×≈?
→
4
0
5
2
2
0
i
i
i
REF
I
A
D
V
v
v
a?
(1)è
^e?
(2)bú1 p?úè ?
|}èEy\^
LC
(3)
E 711 p?ú
(4) ?è ?′ V |l′4ú
hl
??
¤
nQès
￥
a?
(1)è
^e?
(2)bú1 p?úè ?
|}èEy\^
LC
(3)
E 711 p?ú
(4) ?è ?′ V |l′4ú
hl
??
¤
nQès
￥
??c 8.3 -8.3.3 4 è ?F ??
A/D
9
17
bvDè0y?" ù?
8.3.4 W¤ A/DMD
_
+
L? o
?
3è
^
e?
?|
v
A
v
I
v
C
v
O
m èa
HWDè
^# yTo?0
0
0
v
O
v
A
e??|
v
I
T
! v
I
>0TD v
I
??1
T= K v
I
2 T 1D
8.3.4.1 V-T? A/D
V 1T 1D
1 V 1T
S
q
D
ê 9
f
0
T
D=f
0
T
??c 8.3 A/DMD
18
bvDè0y?" ù?
8.3.4.2 V-F? A/D
2 F 1D
I
REF
v
V
RCT =
1
! T
1
>>t
W
I
REF
v
V
RCTT =≈
1
REF
I
RCV
v
T
f ≈=
1
f D v
I
??1
1 V 1F
! v
I
> 0 (-V
REF
< 0)
0
0
v
O
v
K
T
T
1
-V
REF
D
ê 9
f
T
0
??c 8.38.3.4 W¤ A/DMD
-
+
v
I
v
O
C
S
R
-V
REF
?×
(?
v
K
+
-
m èa
qDè
^# yTo?
10
19
bvDè0y?" ù?
??c 8.38.3.4 W¤ A/DMD
t
v
A
0
t
v
C
0
t
v
G
0
t
0
8.3.4.3
|s? A/D
-
+
v
I
v
A
C
R
+
-
A
9
71
e?
V
REF
S
v
C
CP
v
G
b
,
D
n-1
D
n-2
D
0
1 F?
2 e ?
?B¨
,
v
I
s
! v
I
< 0 ;
t
1
V-T? A/D?K
R￥B? !
t
RC
v
v
I
A
=
t = t
1
,9
V 11…1 → 00…0 n → 71 e? → S¤ V
REF
→ v
A
↑
→ t = t
0
H v
C
= H →D
êu 7 → CP9
b
,,v
A
< 0; S¤ v
I,
v
I
s
20
bvDè0y?" ù?
??c 8.38.3.4 W¤ A/DMD
t
0
t
v
A
0
t
v
C
0
t
v
G
0
t
1
-
+
v
I
v
A
C
R
+
-
A
9
71
e?
V
REF
S
v
C
CP
v
G
b
,
D
n-1
D
n-2
D
0
?=¨
,
V
REF
s
V
REF
D v
I
Q ? O?V
REF
>? v
I
t
RC
V
v
REF
A
=
t = t
2
,v
A
"01? Jv
C
=L →D
ê1> →9
9
T?
t
2
D"D
n-1
D
n-2
…D
1
D
0
t
1
~ t
2
, V
REF
s
→ v
A
↓
y
11
21
bvDè0y?" ù?
??c 8.38.3.4 W¤ A/DMD
-
+
v
I
v
A
C
R
+
-
A
9
71
e?
V
REF
S
v
C
CP
v
G
b
,
D
n-1
D
n-2
D
0
9
t
0
~ t
1
,9
V 00…0 → 11…1 → 00…0
t
v
A
0
t
v
C
0
t
v
G
0
t
0
t
1
t
2
T
1
T
2
011
2 ttTT
CP
n
==
t
1
~t
2
,D?
CP
nI
A
T
RC
v
tv 2)(
1
=
v
A
M -v
A
(t
1
)
122
ttDTT
CP
==
CP
nI
CP
REF
A
T
RC
v
DT
RC
V
tv 2)(
1
=?=?
n
REF
I
V
v
D 2?=
22
bvDè0y?" ù?
?? D
¤
Kv 2
n
·2T
CP
a? R aC aCP1 p?
o1
Qs￥s
è
?M
ú
s9
ê
ab a1? ￥
,?
M
H
ò
q￥o?sè ?
Pè# 71?YèE￥μs?
?Y b
F? ?
? <
??c 8.38.3.4 W¤ A/DMD
8.3.4.3
|s? A/D
?
12
23
bvDè0y?" ù?
? 8c'1 p
? c'1 p
1 g? A/D aD/A'e ?
?"? ?
ZE
2g? A/D aD/A?1/
·Scl
3 D/A
g?? T?èE?
?è
@?
è
^?
T ae ? as
9
ZE
4 A/D
g?B?V?
1? ?" a ? a
aI
3?" ?è
^￥F? aT¨
g?i? a?Q1? a
|s A/D￥F? ae ? a
+? b
1
bvDè0y?" ù?
8.2.2.2 ?è
@? D/A
1,s
2,+?
(1)
? 71|
^è
@D ???1è
@MF
(2)?] á
3|
^è
@￥ZE?]
(3)a?
y
@÷ 711 p?
D
0
D
1
D
2
D
3
S
0
S
1
S
2
S
3
-
A
R
F
v
O
i
-V
REF
16
1
8
1
4
1
2
1III
I
i’
D
i
=1,S
i
¤YQM
{ ?
D
i
=0,S
i
¤Y]M
{ ?
i
i
i
D
I
D
I
D
I
D
I
D
I
i 2
216842
3
0
40123
×=+++=
∑
=
i
i
i
F
FO
D
IR
iRv 2
2
3
0
4
×==
∑
=
iIi
IIII
i=?+++= )
2
1
1()
16842
(
4
'
??c -8.2- 8.2.2 è¨ D/Aè
^
2
bvDè0y?" ù?
8.2.2.3 ?è ??
D/A
D
i
=1,S
i
¤ V
REF
D
i
=0,S
i
¤1
yT - S’> S
0
~ S
3
¤1
yT 7
S S’ 7,D
i
→ S
i
D
0
=1
0
8
)()
428
( =?++++=
C
Vv
CC
C
C
vQ
REFoo
D
1
=1
0
4
)()
828
( =?++++=
C
Vv
CC
C
C
vQ
REFoo
D
2
=1
0
2
)()
848
( =?++++=
C
Vv
CC
C
C
vQ
REFoo
D
3
=1
0)()
8428
( =?++++= CVv
CCCC
vQ
REFoo
16
REF
o
V
v =
8
REF
o
V
v =
4
REF
o
V
v =
2
REF
o
V
v =
?F
i
i
i
REFREFREFREFREF
o
D
V
D
V
D
V
D
V
D
V
v 2
224816
3
0
43210
=+++=
∑
=
1,s
??c -8.2- 8.2.2 è¨ D/Aè
^
C
2
C
4
C
8
C
8
C
C
L
"
S
3
D
3
D
2
D
1
D
0
S
2
S
1
S
0
S'
V
REF
v
O
m ?è ??
% " $
2
3
bvDè0y?" ù?
8.2.2.3 ?è ??
D/A
D
i
=1,S
i
¤ V
REF
D
i
=0,S
i
¤1
yT - S’> S
0
~ S
3
¤1
yT 7
S S’ 7,D
i
→ S
i
D
0
=1
0
8
)()
428
( =?++++=
C
Vv
CC
C
C
vQ
REFoo
D
1
=1
0
4
)()
828
( =?++++=
C
Vv
CC
C
C
vQ
REFoo
D
2
=1
0
2
)()
848
( =?++++=
C
Vv
CC
C
C
vQ
REFoo
D
3
=1
0)()
8428
( =?++++= CVv
CCCC
vQ
REFoo
16
REF
o
V
v =
8
REF
o
V
v =
4
REF
o
V
v =
2
REF
o
V
v =
?F
i
i
i
REFREFREFREFREF
o
D
V
D
V
D
V
D
V
D
V
v 2
224816
3
0
43210
=+++=
∑
=
1,s
??c -8.2- 8.2.2 è¨ D/Aè
^
C
2
C
4
C
8
C
8
C
C
L
"
S
3
D
3
D
2
D
1
D
0
S
2
S
1
S
0
S'
V
REF
v
O
m ?è ??
% " $
2,+?
DèE?M1
(1)
l
(2) ú^? ￡
(3) ?"
aèa"
a?{
(a?èE?
b
2,+?
DèE?M1
(1)
l
(2) ú^? ￡
(3) ?"
aèa"
a?{
(a?èE?
b
4
bvDè0y?" ù?
8.2.3 "? D/A è (5G7520)
.,,
.,,
.,,
.,,
R
RR
2R 2R 2R 2R
2R
S0
S7S
8S9
D0
D7D
8D9
R1
RF
vO
VDD
VREF
IREF
i
i’
A
+
_
1
2
3
4 5 6 13
16
1415
i
i
i
REF
i
i
i
REF
D
R
V
D
I
i
2
2
1
2
2
9
0
10
9
0
10
×?=
×=
∑
∑
=
=
i
i
i
REF
i
i
i
REFF
o
D
V
D
R
VR
v
2
2
2
2
1
9
0
10
9
0
10
×?=
×=
∑
∑
=
=
D
i
=1,S
i
¤P§
D
i
=0,S
i
¤·§
R
1
=0
??c -8.2 D/AD
? ¨?? ? D/A m 8.2.9
3
5
bvDè0y?" ù?
8.3 A/DMD
Dú
D
D
HW
BQD
sO
q
{
3
ê
nV
U
Dμ
L=
{D ?XμY
8.3.1 A/D￥?1/
?
°¤ A/D
W¤ A/D A 1T 1D A 1F 1D
??c
D
D
6
bvDè0y?" ù?
8.3.2 ?" ?è
^
vI vO
v
C
S
C
+
_
A
V
L
F? 71 aè ?
? a
bv
?1?
(1) ?"
HW
(2) ?èa/?
q
??c 8.3 A/DMD
A 1?" ? 1
I
1 D
4
7
bvDè0y?" ù?
8.3.3 °¤ A/DMD
1 F?
(1)sa (2)1?
(3)7i (4)I
2 yTe ?
REF
V
15
1
~0
REF
VV
15
3
~
15
1
REF
VV
15
5
~
15
3
REF
VV
15
15
~
15
13
.
.
.
v
I
v
C7
Q
7
v
C6
Q
6
v
C1
Q
1
...
...
0
0
0
1
0
0
0
1
0
1
1
1
0
0
1
1
.
.
.
...
...
…
...
D
1
D
2
D
3
0 0 0
0 0 1
0 1 0
1 1 1
.
.
.
??c 8.3 A/DMD
8.3.3.1 i? A/D
C
7
C
6
C
5
-
C
4
C
3
C
2
C
1
R
R
R
R
R
R
R
R/2
V
REF
v
1
REF
V
15
13
REF
V
15
11
REF
V
15
9
REF
V
15
7
REF
V
15
5
REF
V
15
3
REF
V
15
1
CP
7i
I
è
^
Q
7
Q
6
Q
5
Q
4
Q
3
Q
2
Q
1
D
2
D
1
D
0
m i? " % $e ? m
-
-
-
-
-
-
8
bvDè0y?" ù?
8.3.3 °¤ A/DMD
1 F?
(1)sa (2)1?
(3)7i (4)I
2 yTe ?
REF
V
15
1
~0
REF
VV
15
3
~
15
1
REF
VV
15
5
~
15
3
REF
VV
15
15
~
15
13
.
.
.
v
I
v
C7
Q
7
v
C6
Q
6
v
C1
Q
1
...
...
0
0
0
1
0
0
0
1
0
1
1
1
0
0
1
1
.
.
.
...
...
…
...
D
1
D
2
D
3
0 0 0
0 0 1
0 1 0
1 1 1
.
.
.
??c 8.3 A/DMD
8.3.3.1 i? A/D
3 +?
a?
y
?? íq (2
n
-1)
3 +?
a?
y
?? íq (2
n
-1)
C
7
C
6
C
5
-
C
4
C
3
C
2
C
1
R
R
R
R
R
R
R
R/2
V
REF
v
1
REF
V
15
13
REF
V
15
11
REF
V
15
9
REF
V
15
7
REF
V
15
5
REF
V
15
3
REF
V
15
1
CP
7i
I
è
^
Q
7
Q
6
Q
5
Q
4
Q
3
Q
2
Q
1
D
2
D
1
D
0
m i? " % $e ? m
-
-
-
-
-
-
5
9
bvDè0y?" ù?
8.3.3.2 1i? A/D
? A/D
+?
íq
2(2
6
-1)
/?? ;
? ¨,
+?
íq
2(2
6
-1)
/?? ;
? ¨,
??c 8.3 -8.3.3 °¤ A/DMD
s
i? 12ê A/D:
ú ê
i?
ADC
DAC
? hE
? ê
i?
ADC
ê
7
i
V
REF1
CP
1
v
1
CP
2
V
REF2
D
11
D
10
D
0
CP
3
m 1i? " % $e ? m
10
bvDè0y?" ù?
8.3.3.3 ?Q/í A/D
1 F?
2 yTe ?
(1) D -,7i b
,
D=0v’
REF
= 0
(2) D?|? ?
(3) ?B?
e?
|7i
Kúê? 1
D
n-1
=1D"100…0
ü D/A e? v’
REF
=V
REF
/ 2
D v
I
1? ? v’
REF
> v
I
-
e?
7i
DAC
Hò
D
n-1
D
n-2
D
0
V
REF
v
1
v
C
v
REF
1?
b
,
D e??|
m ?Q/í
T " % $￥e ? m
’
Hv
C
= 0
1
=
n
D
? v’
REF
< v
I
Lv
C
= 1
1
=
n
D
REFREFI
VVv ~
2
1
=
REFI
Vv
2
1
~0=
??c 8.3 -8.3.3 °¤ A/DMD
(4) ?=?
D
n-2
=1,D=*100..0
.,
? n? D
0
=1
6
11
bvDè0y?" ù?
??c 8.3 -8.3.3,3 ?Q/í A/D
t
3
0
0
1
1
t
2
t
1
t
0
-
e?
7i
DAC
Hò
D
n-1
D
n-2
D
0
V
REF
v
1
v
C
v
REF
1?
b
,
D e??|
m ?Q/í
T " % $￥e ? m
’
D
2
t0
D
1
t0
D
0
t0
D
3
t0
v
I
= 1.2V
0
0
0
0
0
0
0
0
0
1
0
0
1
1 0
0
1
1
t
v
REF
/V
0
1
2
+?
a? íq
??
¤
1? nQ
a?
? aúú￥è
^
+?
a? íq
??
¤
1? nQ
a?
? aúú￥è
^
12
bvDè0y?" ù?
8.3.3.4 è ?F ??
A/D
C
S
3
S
2
S
1
V
REF
C/2 C/4 C/8 C/16
C/16
S
4
S
5
v
0
e?
è
^
S
7
S
6
v
1
S
8
3?
|
{
A
v
A
m 8.3.7 5êè ?F ??
ADCe ?m
1 F?
2 yTe ?
(1)?"¨
S
7
> A?¤1 S
1
~S
6
¤P§ S
8
¤ v
I
→v
A
=0,v
I
→ΣC →1 èè9
Q=2Cv
I
e Q= - 2Cv
I
bò e
èi%
sY1
-Cv
I
a-Cv
I
/2 a-Cv
I
/4 a-Cv
I
/8 a-Cv
I
/16 a-Cv
I
/16 a
??c 8.3 -8.3.3 °¤ A/DMD
7
13
bvDè0y?" ù?
C
S
3
S
2
S
1
V
REF
C/2 C/4 C/8 C/16
C/16
S
4
S
5
v
0
e?
è
^
S
7
S
6
v
1
S
8
3?
|
{
A
v
A
m 8.3.7 5êè ?F ??
ADCe ?m
(2) ?¨
S
7
7 S
1
~S
6
¤1 S
8
¤ v
REF
-
{1?
{ ?è
@è ?￥
Pè
@
e Q ? v
A
= - v
I
??c 8.3 -8.3.3 4 è ?F ??
A/D
14
bvDè0y?" ù?
C
S
3
S
2
S
1
V
REF
C/2 C/4 C/8 C/16
C/16
S
4
S
5
v
0
e?
è
^
S
7
S
6
v
1
S
8
3?
|
{
A
v
A
m 8.3.7 5êè ?F ??
ADCe ?m
(3)è×?s
￥¨
e Q= - 2Cv
I
è
o
?B? S
1
→V
REF
,
I
AREFA
Cv
v
CCCCC
VvCQ
2
)
1616842
()(
=
+++++?=
REFIA
Vvv
2
1
+?=
14
1
0
2
1
SD
HvvVv
OAREFI
→=→
=→<→>
?M
14
0
0
2
1
SD
LvvVv
OAREFI
→=→
=→>→<
¤1
2
4
REF
IA
V
Dvv +?=
??c 8.3 -8.3.3 4 è ?F ??
A/D
8
15
bvDè0y?" ù?
C
S
3
S
2
S
1
V
REF
C/2 C/4 C/8 C/16
C/16
S
4
S
5
v
0
e?
è
^
S
7
S
6
v
1
S
8
3?
|
{
A
v
A
m 8.3.7 5êè ?F ??
ADCe ?m
?=? S
2
→V
REF
,
I
AREFA
Cv
v
CCCC
CVv
C
Q
2
)
161684
()(
2
=
+++++?=
REFIA
Vvv
4
1
+?=
23
4
1
4
1
2
SD
HvV
V
Dv
OREF
REF
I
→=→
=→+>
?M
23
4
0
4
1
2
SD
LvV
V
Dv
OREF
REF
I
→=→
=→+<
¤1
42
34
REFREF
IA
V
D
V
Dvv ++?= I
n S
1 REF
REF
IA
V
V
Dvv
4
1
2
4
++?=
??c 8.3 -8.3.3 4 è ?F ??
A/D
16
bvDè0y?" ù?
C
S
3
S
2
S
1
V
REF
C/2 C/4 C/8 C/16
C/16
S
4
S
5
v
0
e?
è
^
S
7
S
6
v
1
S
8
3?
|
{
A
v
A
m 8.3.7 5êè ?F ??
ADCe ?m
[N ?w
∑
=
×+?=
4
0
5
2
2
i
i
i
REF
IA
D
V
vv
???=[?v tí? v
I
∑
=
×≈?
→
4
0
5
2
2
0
i
i
i
REF
I
A
D
V
v
v
a?
(1)è
^e?
(2)bú1 p?úè ?
|}èEy\^
LC
(3)
E 711 p?ú
(4) ?è ?′ V |l′4ú
hl
??
¤
nQès
￥
a?
(1)è
^e?
(2)bú1 p?úè ?
|}èEy\^
LC
(3)
E 711 p?ú
(4) ?è ?′ V |l′4ú
hl
??
¤
nQès
￥
??c 8.3 -8.3.3 4 è ?F ??
A/D
9
17
bvDè0y?" ù?
8.3.4 W¤ A/DMD
_
+
L? o
?
3è
^
e?
?|
v
A
v
I
v
C
v
O
m èa
HWDè
^# yTo?0
0
0
v
O
v
A
e??|
v
I
T
! v
I
>0TD v
I
??1
T= K v
I
2 T 1D
8.3.4.1 V-T? A/D
V 1T 1D
1 V 1T
S
q
D
ê 9
f
0
T
D=f
0
T
??c 8.3 A/DMD
18
bvDè0y?" ù?
8.3.4.2 V-F? A/D
2 F 1D
I
REF
v
V
RCT =
1
! T
1
>>t
W
I
REF
v
V
RCTT =≈
1
REF
I
RCV
v
T
f ≈=
1
f D v
I
??1
1 V 1F
! v
I
> 0 (-V
REF
< 0)
0
0
v
O
v
K
T
T
1
-V
REF
D
ê 9
f
T
0
??c 8.38.3.4 W¤ A/DMD
-
+
v
I
v
O
C
S
R
-V
REF
?×
(?
v
K
+
-
m èa
qDè
^# yTo?
10
19
bvDè0y?" ù?
??c 8.38.3.4 W¤ A/DMD
t
v
A
0
t
v
C
0
t
v
G
0
t
0
8.3.4.3
|s? A/D
-
+
v
I
v
A
C
R
+
-
A
9
71
e?
V
REF
S
v
C
CP
v
G
b
,
D
n-1
D
n-2
D
0
1 F?
2 e ?
?B¨
,
v
I
s
! v
I
< 0 ;
t
1
V-T? A/D?K
R￥B? !
t
RC
v
v
I
A
=
t = t
1
,9
V 11…1 → 00…0 n → 71 e? → S¤ V
REF
→ v
A
↑
→ t = t
0
H v
C
= H →D
êu 7 → CP9
b
,,v
A
< 0; S¤ v
I,
v
I
s
20
bvDè0y?" ù?
??c 8.38.3.4 W¤ A/DMD
t
0
t
v
A
0
t
v
C
0
t
v
G
0
t
1
-
+
v
I
v
A
C
R
+
-
A
9
71
e?
V
REF
S
v
C
CP
v
G
b
,
D
n-1
D
n-2
D
0
?=¨
,
V
REF
s
V
REF
D v
I
Q ? O?V
REF
>? v
I
t
RC
V
v
REF
A
=
t = t
2
,v
A
"01? Jv
C
=L →D
ê1> →9
9
T?
t
2
D"D
n-1
D
n-2
…D
1
D
0
t
1
~ t
2
, V
REF
s
→ v
A
↓
y
11
21
bvDè0y?" ù?
??c 8.38.3.4 W¤ A/DMD
-
+
v
I
v
A
C
R
+
-
A
9
71
e?
V
REF
S
v
C
CP
v
G
b
,
D
n-1
D
n-2
D
0
9
t
0
~ t
1
,9
V 00…0 → 11…1 → 00…0
t
v
A
0
t
v
C
0
t
v
G
0
t
0
t
1
t
2
T
1
T
2
011
2 ttTT
CP
n
==
t
1
~t
2
,D?
CP
nI
A
T
RC
v
tv 2)(
1
=
v
A
M -v
A
(t
1
)
122
ttDTT
CP
==
CP
nI
CP
REF
A
T
RC
v
DT
RC
V
tv 2)(
1
=?=?
n
REF
I
V
v
D 2?=
22
bvDè0y?" ù?
?? D
¤
Kv 2
n
·2T
CP
a? R aC aCP1 p?
o1
Qs￥s
è
?M
ú
s9
ê
ab a1? ￥
,?
M
H
ò
q￥o?sè ?
Pè# 71?YèE￥μs?
?Y b
F? ?
? <
??c 8.38.3.4 W¤ A/DMD
8.3.4.3
|s? A/D
?
12
23
bvDè0y?" ù?
? 8c'1 p
? c'1 p
1 g? A/D aD/A'e ?
?"? ?
ZE
2g? A/D aD/A?1/
·Scl
3 D/A
g?? T?èE?
?è
@?
è
^?
T ae ? as
9
ZE
4 A/D
g?B?V?
1? ?" a ? a
aI
3?" ?è
^￥F? aT¨
g?i? a?Q1? a
|s A/D￥F? ae ? a
+? b
