1
A/D, D/C Converters for Image Signal Processing
MN657011H
Low Power 8-Bit, 3-Channel CMOS D/A Converter for Image Processing
Pin Assignment
Overview
The MN657011H is an 8-bit, 3-channel CMOS digital-
to-analog converter with a maximum conversion rate of
20 MSPS.
It is a 3.5 volt version of the MN65701FHP.
Features
Maximum conversion rate: 20 MSPS (min.)
Linearity error:
0.2 LSB (typ.)
Differential linearity error:
0.2 LSB (typ.)
Power supply voltage: 3.5
0.1 V
Full scale current: 4 mA (typ.)
Power consumption: 84 mW (typ.) (f
CLK
=15 MHz)
Applications
Digital television
Digital video equipment
Digital image processing equipment
QFH048-P-0707
(TOP VIEW)
DC4
DC3
DC2
DC1
CLK
DV
SS
N.C.
DV
DD
DY8
DY7
DY6
DY5
N.C.
N.C.
N.C.
N.C.
AV
SS
AV
SS
N.C.
I
OV
N.C.
I
OU
N.C.
I
OY
VIB
COMP
V
REF
I
REF
AV
DD
AV
DD
N.C.
N.C.
DY1
DY2
DY3
DY4
N.C.
N.C.
N.C.
NTCS
UVSEL
DV
SS
N.C.
DV
DD
DC8
DC7
DC6
DC5
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
37
38
39
40
41
42
43
44
45
46
47
48
36
35
34
33
32
31
30
29
28
27
26
25
2
MN657011H
A/D, D/C Converters for Image Signal Processing
Block Diagram
16
40
5
15
14
13
12
11
10
9
4
3
2
1
48
47
46
45
33
34
35
36
37
38
39
41
19
20
31
32
8
44
6
42
7
17
16
26
28
30
43
N.C.
22
21
23
COMP
C
COMP
VIB
24
+
25
27
29
NTSC
Current
Source
CLK
(MSB)DY1
(MSB)DC1
DY2
DY3
DY4
DY5
DY6
DY7
(LSB)DY8
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
UVSEL
DC2
DC3
DC4
DC5
DC6
DC7
(LSB)DC8
AV
DD
AV
DD
AV
SS
AV
SS
DV
DD
DV
DD
DV
SS
DV
SS
I
OV
I
OU
I
OY
R
OUT
R
OUT
I
REF
V
REF
R
REF
R
OUT
+
Latch
Latch
Latch
Latch
Latch
DAC
Latch
Latch
Latch
Decoder
Latch
Decoder
Latch
Decoder
Current Cell
Current Cell
Current Cell
Selector
Latch
Selector
3
A/D, D/C Converters for Image Signal Processing
MN657011H
Pin Descriptions
Pin No.
Symbol
Function Description
1
DC4
C (chroma) digital input
2
DC3
C (chroma) digital input
3
DC2
C (chroma) digital input
4
DC1
C (chroma) digital input (MSB)
5
CLK
Sampling clock
6
DV
SS
Ground for digital circuits
7
N.C.
No connection
8
DV
DD
Power supply for digital circuits
9
DY8
Y (luminance) digital input (LSB)
10
DY7
Y (luminance) digital input
11
DY6
Y (luminance) digital input
12
DY5
Y (luminance) digital input
13
DY4
Y (luminance) digital input
14
DY3
Y (luminance) digital input
15
DY2
Y (luminance) digital input
16
DY1
Y (luminance) digital input (MSB)
17
N.C.
No connection
18
N.C.
No connection
19
AV
DD
Power supply for analog circuits
20
AV
DD
Power supply for analog circuits
21
I
REF
Full scale adjustment resistor
22
V
REF
Reference voltage input
23
COMP
Phase compensation
24
VIB
Capacitor connection
25
I
OY
Y signal analog current output
26
N.C.
No connection
27
I
OU
U signal analog current output
28
N.C.
No connection
29
I
OV
V signal analog current output
30
N.C.
No connection
31
AV
SS
Ground for analog circuits
32
AV
SS
Ground for analog circuits
33
N.C.
No connection
34
N.C.
No connection
35
N.C.
No connection
36
N.C.
No connection
37
N.C.
No connection
38
N.C.
No connection
39
N.C.
No connection
40
NTCS
Format selection (two's complement/binary) for C (chroma) signal
41
UVSEL
U/V signal discrimination for C (chroma) signal
42
DV
SS
Ground for digital circuits
4
MN657011H
A/D, D/C Converters for Image Signal Processing
Recommended Operating Conditions
V
DD
=AV
DD
=DV
DD
=3.5V, V
SS
=AV
SS
=DV
SS
=0V, Ta=25C
Parameter
Symbol
min
typ
max
Unit
Power supply voltage
V
DD
3.4
3.5
3.6
V
Reference voltage
V
REF
1.5
1.9
3.5
V
Reference resistance
R
REF
820
External compensation capacitor
C
COMP
0.33
1.0
3.3
F
Output load resistance
R
OUT
200
Digital input
"H" level
V
IH
V
DD
0.5
V
DD
V
voltage
"L" level
V
IL
V
SS
V
DD
0.16
V
Clock
"H" level pulse width
t
WH
15
ns
"L" level pulse width
t
WL
15
ns
Absolute Maximum Ratings
Ta=25C
Parameter
Symbol
Rating
Unit
Power supply voltage for digital circuits
DV
DD
0.3 to +7.0
V
Power supply voltage for analog circuits
AV
DD
0.3 to +7.0
V
Input voltage
V
I
DV
SS
0.3 to DV
DD
+0.3
V
Output voltage
V
O
AV
SS
0.3 to AV
DD
+0.3
V
Operating ambient temperature
T
opr
20 to +70
C
Storage temperature
T
stg
55 to +125
C
Pin Descriptions (continued)
Pin No.
Symbol
Function Description
43
N.C.
No connection
44
DV
DD
Power supply for digital circuits
45
DC8
C (chroma) digital input (LSB)
46
DC7
C (chroma) digital input
47
DC6
C (chroma) digital input
48
DC5
C (chroma) digital input
Electrical Characteristics
DV
DD
=AV
DD
=3.5V, DV
SS
=AV
SS
=0V, Ta=25C
Parameter
Symbol Conditions
min
typ
max
Unit
Power supply voltage
I
DD
V
DD
=3.5V, f
CLK
=15MHz
R
OUT
=200
, Output amplitude = 0.8V
24
40
mA
T=25C
Resolution
RES
8
bit
Linearity error
E
L
V
DD
=3.5V, R
OUT
=200
0.2
0.5
LSB
Differential linearity error
E
D
R
REF
=820
0.2
0.5
LSB
Full scale current
I
FS
V
REF
=1.9V
4
mA
Setup time
t
S
10
ns
Hold time
t
H
10
ns
Settling time
t
ST
V
DD
=3.5V, R
OUT
=200
30
50
ns
Maximum conversion speed
F
C(max.)
R
REF
=820
V
REF
=1.9V
20
33
MSPS
Analog output delay time
t
d
10
ns
5
A/D, D/C Converters for Image Signal Processing
MN657011H
Timing Chart
CLK
DY1 to DY8
DC1 to DC8
UVSEL
I
OY
I
OU
I
OV
t
WH
t
S
t
H
t
S
t
d
t
d
: Analog output delay time
t
ST
: Settling time
t
ST
t
H
t
WL
Three clock cycles
V-2
U-2
U-2
U0
U0
U2
Y2
Y1
Y0
Y-1
Y-2
V-2
Y-1
U0
Y0
Y1
Y2
Y3
Y4
Y5
V0
U2
V2
U4
V4
V-2
V0
V0
V2
V
DD
0.5
V
DD
0.16
PDF 
ZIP