Datasheet AN8146FBQ Datasheet (Panasonic)

ICs for TV

■ Overview

The AN8146FBQ is a 10-bit D/A converter IC for TV
image processing. It is a Bi-CMOS IC featuring low power
consumption. It includes 3 channels of I/O. It is suitable
for high-definition TV and computer monitor.

■ Features

●

High-speed conversion : 50MSPS

●

Low power consumption : 450mW

●

3 channels of I/O

●

Input level : TTL level

●

Single power supply : 5V

●

Reference voltage source built-in

AN8146FBQ

10-Bit 3-channel D/A Converter IC

14.0±0.30

1

17

32

64

49

(10)

(10) 0.35

SEATING PLANE

14.0±0.30

17.2±0.40

0.1±0.1 1.95±0.2

0.9±0.10.9±0.1

+ 0.10
– 0.05

16

48 33

16.2±0.3

Unit : mm

64-Pin QFS Package (QFS064-P-1414B)

■ Pin Descriptions

Pin No.

1
2

3
4
5
6
7
8

9
10
11

12
13
14
15

16

Pin name
Analog GND
Digital input 1 bit (MSB)
Digital input 2 bit
Digital input 3 bit
Digital input 4 bit
Digital input 5 bit
Digital input 6 bit
Analog GND
Analog GND
Analog GND
Digital input 7 bit
Digital input 8 bit
Digital input 9 bit
Digital input 10 bit (LSB)
Clock input
Digital GND

A
A
A
A
A
A

A
A
A
A
A

Pin No.

17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

Pin name

Digital input 1 bit (MSB)
Digital input 2 bit
Digital input 3 bit
Analog GND
Analog GND
Digital input 4 bit
Digital input 5 bit
Digital input 6 bit
Analog GND
Analog GND
Digital input 7 bit
Digital input 8 bit
Digital input 9 bit
Digital input 10 bit
Clock input
Digital power supply

B
B
B

B
B
B

B
B
B
B
B

Pin No.

33
34

35
36
37
38
39
40
41
42
43
44
45
46
47
48

Pin name
Analog GND
Digital input 1 bit (MSB)
Digital input 2 bit
Digital input 3 bit
Digital input 4 bit
Digital input 5 bit
Digital input 6 bit
Analog GND
Analog GND
Analog GND
Digital input 7 bit
Digital input 8 bit
Digital input 9 bit
Digital input 10 bit
Clock input
Analog GND

C
C
C
C
C
C

C
C
C
C
C

Pin No.

49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64

Pin name

Reference voltage output
Reference voltage input
Analog GND
Analog GND
To a compensation capacitor
Stabilizing
Reference resistance
Analog GND
Analog GND
Analog GND
Analog output C
Analog power supply
Analog output B
Analog power supply
Analog output B
Analog GND

ICs for TV

AN8146FBQ

■ Block Diagram

14 213 12 11 7 6 5 4 3 53

34 4635 36 37 38 39 43 44 45 47

31

30

29

28

27

24

23

22

19

18

17

15

10-bit D/A A

50

55

49

63

61

59

10-bit D/A B

10-bit D/A C

Current
Source

Refference
Voltage Regulator

D10A D1AD9A D8A D7A D6A D5A D4A D3A D2A COMP

D1C D10CD2C D3C D4C D5C D6C D7C D8C D9C CLKC

CLKB

D10B

D9B

D8B

D7B

D6B

D5B

D4B

D3B

D2B

D1B

CLKA

REFI
REFR

REFO

OUTA

OUTB

OUTC

VIB

+
–

54

ICs for TV

AN8146FBQ

Parameter Symbol Rating Unit

V

CC

I

CC

P

D

T

opr

T

stg

Supply voltage
Supply current

Operating ambient temperature

Note 1)

Power dissipation

Note 2)

Storage temperature

Note 1)

– 0.3 to + 7.0

210
585

– 20 to + 70

– 55 to + 125

V

mA

mW

˚C
˚C

Note 1) Ta =25˚C except operating ambient temperature and storage temperature.
Note 2) Allowable power dissipation of the package at Ta =70˚C.

■ Absolute Maximum Ratings

Parameter Symbol Range

Operating supply voltage range

V

CC

4.75V to 5.25V

■ Recommended Operating Range (Ta = 25˚C)

Parameter minCondition typ max UnitSymbol

I

CC

Supply current

150 mA

I

DI

V

IN

= 5V (HI), V

IN

= 0V (LO)

Digital input leak current

± 30 µA

I

REFI

V

IN

= 5V (HI), V

IN

= 0V (LO)

REF leak current

± 30 µA

90

V

REFO

I

REFO

= 3.0mA

Reference supply output voltage

3.24 V2.7

R

ES

Resolution

Bit10

E

L

Linearity error

±1.0 LSB± 0.5

E

D

Differential linearity error

LSB

V

FS

R

REF

= 350Ω

RO = 75Ω
V

REFO

– V

REFI

= 1.4V

Full scale output voltage

5.1 V5.0

V

ZS

Zero scale output voltage

4.2 V4.0

F

CMAX

Maximum conversion rate

MSPS

M

Z

V

ZS

= 4.0V

Zero scale matching

± 4%

2.06

±1.0± 0.5

50

3.8

4.9

■ Electrical Characteristics (AVCC= DVCC= 5.0V, Ta= 25±2˚C)

D

f

OUT

= 10MHz

2nd harmonics level

dB

CT

f

OUT

= 10MHz

Crosstalk

dB

(– 38)

(– 43)

Note) The characteristics value in parentheses is not a guaranteed value, but reference one on design.

ICs for TV

AN8146FBQ

1.3 V

min typ max Unit

Ω

V

REFI

Reference voltage

Parameter ConditionsSymbol

R

O

Output load resistance

Note

2.4 DV

CC

V

V

IH

Digital input voltage

0 0.8 V

V

IL

Digital input voltage

t

WH

Clock pulse width

Refer to the timing chart. 1

t

WL

Clock pulse width

Refer to the timing chart. 1

t

S

Set-up time

Refer to the timing chart.

t

H

Holding time

Refer to the timing chart.

030

I

OUT

Analog output current

2mA

–10 0

I

REFO

Reference power supply output current

2mA

– 0.3 AV

CC

V

REF1

Reference voltage input voltage

2V

75

8ns
8ns
5ns
1ns

Note 1) t

WH

+ t

WL

≥20ns

Note 2) Use it under the condition : AV

CC

= DVCC, and AGND = DGND

(Cautions on surge)
Comparing with the other pins, Pin50 has a lower negative-surge resistance (Approx. –190V at 200pF).
Therefore, particular care must be taken when it is used.

■ Operation Descriptions

●

Recommended Operating Conditions (AV

CC= DVCC= 5.0V,

Ta= 25±5˚C)

●

Operational Timing

Clock input

Data input

Dn – 1

t

WH

Dn Dn + 1

t

WL

t

H

t

S

■ Reference

1,400

1416

1,200

1,000

800

861

600

400

200

0

0 25 50 75 100 150

Ambient Temperature Ta (˚C)

125

Power Dissipation P

D

(mW)

Power Dissipation on Package

PD – Ta

Glass epoxy board
(50

× 50 × 0.8tmm)

R

thj – a

= 70.6˚C/W

P

D

=1416mW (25˚C)

IC without heat sink
R

thj – a

=116.2˚C/W

P

D

= 861mW (25˚C)