Datasheet MN65702H Datasheet (Panasonic)

A/D, D/C Converters for Image Signal Processing

MN65702H

Low Power 8-Bit, 3-Channel CMOS D/A Converter for Image Processing

Pin Assignment Overview

The MN65702H is a high-speed 8-bit, 3-channel CMOS
digital-to-analog converter. (Two channels use serial in­put.)

It uses both a matrix cell and weighted current technol­ogy to achieve both low power consumption and high
speed.

It features built-in output resistor, reference resistor , and
low pass filter, and provides independent output ampli­tude adjustment for the Y (luminance) and C (chroma)
synchronization signals. The Y (luminance signal) can
be superimposed with an external SYNC signal.

Features

Maximum conversion rate: 20 MSPS (min.)
Linearity error: ±0.2 LSB (typ.)
Differential linearity error: ±0.2 LSB (typ.)
Power supply voltage: VDD= 3.3 ±0.3 V , VCC= 4.8

±0.3 V

Full scale current: 2.33 mA (typ.)
Power consumption: 100 mW (typ.) (f
Built-in LPF and synchronization function.

=15 MHz)

CLK

UV

DV

N.C.
DC3
DC2
DC1

DV

CLK
DY8
DY7
DY6
DY5

SEL

DC4

DC5

3635343332313029282726

37
38
39
40
41
42

DD

43

SS

44
45
46
47
48

1234567891011

DY4

DY3

SSDVDD

DC6

DC7

DC8

DV

SS

CC

V

DY2

DY1

DV

SYNC

(TOP VIEW)

N.C.

N.C.

AVSSV

N.C.

REFC

DD

AV

N.C.

COMPC

25

24
23
22
21
20
19
18
17
16
15
14
13

12

N.C.

COMPS

N.C.
V
V
U
AV
V
Y
AV
V
N.C.
COMPY
V

OUT
CC
OUT

SS
CC
OUT

SS
REFY

REFS

Applications

Digital television
Digital video equipment
Digital image processing equipment

QFH048-P-0707

1

MN65702H A/D, D/C Converters for Image Signal Processing

Block Diagram

CLK

SYNC

DY1
DY2

DY3
DY4
DY5
DY6

DY7

DY8

DC1
DC2

DC3
DC4
DC5
DC6
DC7
DC8

REFS

V

COMPS

13

11
+
–

Current
Source

REFY

V

16

14
+
–

COMPY

Current
Source

N.C.

1237292624

9

8

15

44

5

Latch

Latch

LatchLatch

Current cell

4
3

2
1
48

Latch

47

Latch

DecoderDecoderDecoder

Current cellCurrent cellCurrent cell

46

18

Low pass filterLow pass filterLow pass filter

Y

OUT

45

40
39
38
36
35

Latch

34

Latch

Latch

21

U

OUT

33
32

23

V

OUT

Latch

41

UVSEL

Latch

6

CC

V

30

DVDDDV

42

DD

7

31

DVSSDVSSDV

25

COMPC

Current
Source

10

19

CCVCCVCC

AV

22

17

20

AVSSAVSSAV

28

SS

+
–

43

27

SS

REFC

V

2

A/D, D/C Converters for Image Signal Processing MN65702H

Pin Descriptions

Pin No. Symbol Function Description

1 DY4 Y (luminance) digital input
2 DY3 Y (luminance) digital input
3 DY2 Y (luminance) digital input
4 DY1 Y (luminance) digital input (MSB)
5 SYNC SYNC signal judgment signal
6VCCFilter power supply for analog circuits
7DVSSGround for digital circuits
8 N.C. No connection
9 N.C. No connection

10 AV

DD

11 COMPS Phase compensation
12 N.C. No connection
13 V

REFS

14 COMPY Phase compensation
15 N.C. No connection
16 V
17 AV
18 Y
19 V
20 AV
21 U
22 V
23 V

REFY

SS

OUT

CC

SS

OUT

CC

OUT

24 N.C. No connection
25 COMPC Phase compensation
26 N.C. No connection
27 V
28 AV

REFC

SS

29 N.C. No connection
30 DV
31 DV

DD

SS

32 DC8 C (chroma) digital input (LSB)
33 DC7 C (chroma) digital input
34 DC6 C (chroma) digital input
35 DC5 C (chroma) digital input
36 DC4 C (chroma) digital input
37 N.C. No connection
38 DC3 C (chroma) digital input
39 DC2 C (chroma) digital input
40 DC1 C (chroma) digital input (MSB)
41 UVSEL U/V signal discrimination for C (chroma) signal
42 DV

DD

Power supply for analog circuits

SYNC reference voltage input

Luminance reference voltage input
Ground for analog circuits
Y signal analog current output
Filter power supply for analog circuits
Ground for analog circuits
U signal analog current output
Filter power supply for analog circuits
V signal analog current output

Chroma reference voltage input
Ground for analog circuits

Power supply voltage for digital circuits
Ground for digital circuits

Power supply voltage for digital circuits

3

MN65702H A/D, D/C Converters for Image Signal Processing

Pin Descriptions (continued)

Pin No. Symbol Function Description

43 DV

SS

44 CLK Sampling clock
45 DY8 Y (luminance) digital input (LSB)
46 DY7 Y (luminance) digital input
47 DY6 Y (luminance) digital input
48 DY5 Y (luminance) digital input

Absolute Maximum Ratings Ta=25˚C

Parameter Symbol Rating Unit

Power supply voltage DVDD/AV
Power supply voltage for analog circuits V
Input voltage V
Output voltage V
Operating ambient temperature T
Storage temperature T

Power supply for digital circuits

DD

CC

I

O

opr
stg

– 0.3 to +7.0 V
– 0.3 to +7.0 V

– 0.3 to DV

– 0.3 to AV

+0.3 V

DD

+0.3 V

DD

–20 to +70 ˚C

–55 to +125 ˚C

Recommended Operating Conditions V

=AVDD=DVDD=3.3V, VCC=4.8V, VSS=AVSS=DVSS=0V, Ta=25˚C

DD

Parameter Symbol min typ max Unit

Power supply voltage V

Reference voltage V
External compensation capacitor C
Digital input "H" level V
voltage "L" level V
Clock "H" level pulse width t

"L" level pulse width t

Electrical Characteristics DV

DD

CC

V

DD

REFS/Y/C

COMPS, Y , C

IH
IL

WH

WL

=AVDD=3.0V, VCC=4.8V, DVSS=AVSS=0V, Ta=25˚C

4.5 4.8 5.1 V

3.0 3.3 3.6 V
— 2.15/1.96/1.93 — V

0.33 1.0 3.3 µF

2.4 — V

V

SS

— 0.8 V

DD

20 — — ns
20 — — ns

V

Parameter Symbol Conditions min typ max Unit

Power supply voltage I

DD/ICCfCLK

=15MHz,

Output amplitude = 0.7 V,

— 12/12 21/21 mA

Resolution RES — 8 — bit
Linearity error E
Differential linearity error E
Full scale current I
Setup time t
Hold time t
Settling time t
Maximum conversion speed F

C(max.)

VDD=3.3V , VCC=4.8V — ±0.2 ±0.5 LSB

L

Y (luminance) output amplitude =0.7V

D

C (chroma) output amplitude =0.7V

FS

S

H

VDD=3.3V, VCC=4.8V — 30 50 ns

ST

Y·C output amplitude =0.7V

p-p

P–P

— ±0.2 ±0.5 LSB

p-p

— 2.33 — mA
15 — — ns

5——ns

20 — — MSPS

Analog output delay time tdY/tdcf=100kHz — 90/140 — ns

4

A/D, D/C Converters for Image Signal Processing MN65702H

Filter Characteristics DV

=AVDD=3.0V, VCC=4.8V, DVSS=AVSS=0V, Ta=25˚C

DD

Parameter Symbol Conditions min typ max Unit

Y filter I/O gain GYF f=100kHz –1.2 – 0.2 0.8 dB
Y filter f characteristic (fck/2) FYFCK f=100kHz → 6.35MHz –10 –7 –4 dB
Y filter f characteristic (3MHz) FYFCL f=100kHz → 3.0MHz –3 –1 1.0 dB
Y filter group delay DYF f=100kHz 60 80 100 dB
UV filter I/O gain GCF f=100kHz –1.2 – 0.2 0.8 dB
UV filter f characteristic (fck/4) FCFCK f=100kHz → 3.18MHz –15 –10 –6 dB
UV filter f characteristic (1MHz) FCFCL f=100kHz → 1.0MHz –3 –1 1.0 dB
UV filter group delay DCF f=100kHz 100 130 160 ns

Timing Chart

M SELECT = "H," Y and U(C), 3-channel output

SYNC

CLK

DY1 to DY8

DC1 to DC8

UVSEL

Y

OUT

U

OUT

V

OUT

Y-1

Y-2

Y0 Y1 Y2 Y3 Y4 Y5

U0 U2 U4V0

V2 V4

Two clock cycles

Y-2

U-4

Y-1

Y0 Y1 Y3

t

ds

U-2 U0 U2

V-4 V-2 V0 V2

Two clock cycles

t

t

d

st

tds: SYNC delay time

: Analog output delay time

t

d

: Settling time

t

st

t

ds

5

MN65702H A/D, D/C Converters for Image Signal Processing

Package Dimensions (Unit:mm)

QFH048-P-0707

9.0±0.2

±0.2

7.0

36 25

37

48

(0.75)

24

(0.75)

7.0±0.2

9.0±0.2

13

1

0.5

12

0.2±0.1
(1.0)

±0.20.1±0.1

2.5

0.1

0.05

-

+0.10

2.9 max.

0.5±0.2

0.15

0 to 10°

SEATING PLANE

6