HOLTEK HT82V738 User Manual

24-Bit Stereo Audio D/A Converter

Features

·

Single power supply voltage: 3V~5V

·

Low power consumption

·

Low distortion

·

Low clock jitter sensitivity

·

High SNR ratio and dynamic range

Applications

·

DVD players

·

Home theater systems

·

Digital TV

·

Digital set top boxes

General Description

The HT82V738 is a high performance audio DAC con
verter. It provides digital de-emphasis (32, 44.1 and
48kHz), external mute control and adjustment for serial
data and clock. The HT82V738 accepts data at audio
rates up to 96kHz. It performs within a wide dynamic

HT82V738

·

Low harmonic distortion

·

Wide temperature range

·

Control feature for click and Pops

·

On-chip digital de-emphasis for 32, 44.1 and 48kHz

·

16-pin NSOP package

·

MP3 players

·

CD players

·

Automotive systems

range, high SNR ratio and has low clock jitter sensitivity.

­HT82V738 is an ideal DAC for DVD players, MP3 play
ers and set-top box systems. It is also pin-compatible
with CS4340.

-

Block Diagram

L R C K

S D A T A

Pin Assignment

R S T

D I F 0 D I F 1 M C L K

S e r i a l

I n p u t

I n t e r f a c e

I n t e r p o l a t i o n

I n t e r p o l a t i o n

R S T

S D A T A

S C L K / D E M 1

L R C K

M C L K

D I F 1

D I F 0

D E M 0

F i l t e r

F i l t e r

D e - e m p h a s i s

D E M 0 M U T E CS C L K / D E M 1

1

2

3

4

5

6

7

8

H T 8 2 V 7 3 8

1 6 N S O P - A

D S

D S

1 6

1 5

1 4

1 3

1 2

1 1

1 0

D A C

D A C

9

A n a l o g F i l t e r

A n a l o g F i l t e r A O U T L

E x t e r n a l

M u t e C o n t r o l

M U T E C

A O U T A

V A

A G N D

A O U T B

R E F _ G N D

V Q

F I L T +

A O U T R

Rev. 1.00 1 October 16, 2003

Pin Description

Pin
No.

6, 7 DIF1, DIF0 I

Pin Name I/O Description

1 RST

2 SDATA I Serial data

3 SCLK/DEM1 I Serial clock/de-emphasis

4 LRCK I Left/right clock

5 MCLK I

I Reset

Master clock

Sample

Rate

(kHz)

32 4.0960 6.1440 8.1920 12.2880 16.3840

44.1 5.6448 8.4672 11.2896 16.9344 22.5792

48 6.1440 9.2160 12.2880 18.4320 24.5760

64 8.1920 12.2880

88.2 11.2896 16.9344

96 12.2880 18.4320

Digital interface format

DIF1 DIF0 Description

00I

0 1 Left justified, up to 24-bit data

1 0 Right justified, 24-bit data

1 1 Right justified, 16-bit data

128x 192x 256x 384x 512x

MCLK (MHz)

HRM BRM

¾¾¾

¾¾¾

¾¾¾

2

S, up to 24-bit data

HT82V738

De-emphasis control DEM0 and DEM1
Internal serial clock mode

DEM1 DEM0 Description

0 0 Disabled

0 1 44.1kHz

1 0 48kHz

8 DEM0 I

9 FILT+ I Positive voltage reference

10 VQ I Quiescent voltage

11 REF_GND I Reference ground

12 AOUTB O Analog output B

13 AGND I Analog ground

14 VA I Analog power

15 AOUTA O Analog output A

16 MUTEC O Mute control

1 1 32kHz

External serial clock mode

DEM0 Description

0 Disabled

1 44.1kHz

Rev. 1.00 2 October 16, 2003

HT82V738

Absolute Maximum Ratings

Supply Voltage ..........................VSS-0.3V to VSS+6.0V

Input Voltage .............................V

3V to VDD+0.3V

SS-0.

Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² 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 reliabil
ity.

Electrical Characteristics

Analog Characteristics

Symbol Parameter

Dynamic Performance

Dynamic Range (18~24-bit)

Dynamic Range (16-bit)

Total Harmonic
Distortion+Noise

THD+N

(18~24-bit)

Total Harmonic
Distortion+Noise (16-bit)

Interchannel Isolation 5V

Dynamic Performance

Dynamic Range (18~24-bit)

Dynamic Range (16-bit)

Total Harmonic

THD+N

Distortion+Noise (18~24-bit)

Total Harmonic
Distortion+Noise (16-bit)

Interchannel Isolation 3V

Test Conditions Base-rate Mode High-rate Mode

V

Conditions Min. Typ. Max. Min. Typ. Max.

DD

Unweighted

A-weighted

5V

Unweighted

A-weighted

5V

Unweighted

A-weighted

3V

Unweighted

A-weighted

3V

Storage Temperature ...........................-50°Cto125°C

Operating Temperature ..........................-10°Cto70°C

Ta =-10°Cto70°C

93

¾

¾

¾

¾

95

91

94

¾¾

¾¾

¾¾

¾¾

92

95

88

94

¾

¾

¾

¾

¾¾-88 ¾¾-88 ¾

¾¾-86 ¾¾-86 ¾

¾¾90¾¾

91

¾

¾

¾

¾

94

90

92

¾¾

¾¾

¾¾

¾¾

90

90

91

88

90

¾

¾

¾

¾

¾

¾ ¾ -88 ¾ ¾ -88 ¾

¾ ¾ -86 ¾ ¾ -86 ¾

¾¾90¾¾

90

¾

Unit

dB

dB

dB

dB

dB

dB

-

Analog Characteristics

Symbol Parameter

Test Conditions

V

DD

Conditions

Min. Typ. Max. Unit

Analog Output

Full Scale Output Voltage

V

Quiescent Voltage

Q

Interchannel Gain Mismatch

Gain Drift

R

C

AC-load Resistance

L

Load Capacitance

L

¾¾ ¾

¾¾ ¾

¾¾ ¾

¾¾ ¾

¾¾

¾¾ ¾¾

0.7VA

0.5VA

0.1

100

3

¾¾kW

¾

¾

¾

¾ ppm/°C

100 pF

V

PP

VDC

dB

Rev. 1.00 3 October 16, 2003

HT82V738

Digital Characteristics

Symbol Parameter

V

IH

V

IL

I

IN

High-level Input Voltage 5V

Low-level Input Voltage

Input Leakage Current

Input Capacitance

Power Ratio

V

A

V

IND

DC Power Supply

Digital Input Voltage

Power Characteristics

Symbol Parameter

I

A

I

A

Power Supply Current 3V Normal

Power Dissipation

Ta =-10°Cto70°C

V

DD

3V

5V

3V

Test Conditions

Conditions

¾

¾

¾¾¾

Min. Typ. Max. Unit

2.0

2.0

¾¾

¾¾

0.8 V

¾¾ ¾¾±10 mA

¾¾ ¾8¾

¾¾

¾¾ -0.3 ¾

2.7 5.0 5.5 V

+0.4

V

A

Test Conditions Base-rate Mode High-rate Mode

V

Conditions Min. Typ. Max. Min. Typ. Max.

DD

Power-down

Normal

5V

Power-down

Normal

3V

Power-down

Normal

5V

Power-down

10

¾

¾

¾

¾

¾

0.09

¾

¾

¾

30

15

60

30

75

0.3

¾¾

¾¾

¾¾

¾¾

¾¾

¾¾

¾¾

¾¾

10

30

15

60

30

0.09

75

0.3

¾

¾mA

¾

¾mA

¾

¾

¾

¾

V

V

pF

mA

Unit

mA

mA

mW

mW

Timing Diagrams

I2S Mode

·

16-bit data and INT SCLK=32Fs, MCLK/LRCK=512, 256 or 128

·

Up to 24-bit data and SCLK=48Fs, MCLK/LRCK=384 or 192

L R C K

S C L K

S D A T A

M S B

- 1 - 2 - 3 - 4 - 5 + 5 + 4 + 3 + 2

L S B

+ 1

M S B

- 2

- 1

- 3

Left Justified 24-Bit Mode

·

INT SCLK=64Fs, MCLK/LRCK=512, 256 or 128

·

INT SCLK=48Fs, MCLK/LRCK=384 or 192

L R C K

S C L K

S D A T A

M S B

- 1 - 2 - 3 - 4 - 5 + 5 + 4 + 3 + 2

L S B

+ 1

M S B

- 2

- 1

- 3

Rev. 1.00 4 October 16, 2003

R i g h t C h a n n e lL e f t C h a n n e l

- 4

+ 5

+ 4

R i g h t C h a n n e lL e f t C h a n n e l

- 4

+ 5

+ 4

L S B

+ 1

+ 3

+ 2

L S B

+ 1

+ 3

+ 2

Right Justified 24-Bit Mode

·

INT SCLK=64Fs, MCLK/LRCK=512, 256 or 128

·

INT SCLK=48Fs, MCLK/LRCK=384 or 192

HT82V738

L R C K

S C L K

S D A T A

0

2 3 2 2 2 1 2 0 1 9 1 8

7 6 5 4 3 2 1 0

Right Justified 16-Bit Mode

·

INT SCLK=32Fs, MCLK/LRCK=512, 256 or 128

·

INT SCLK=48Fs, MCLK/LRCK=384 or 192

L R C K

S C L K

S D A T A

7 6 5 4 3 2 1 0 1 3 1 2 1 1 1 0 9 8

81 01 11 21 31 41 5 9

Application Circuits

1 4

V A

6

D I F 1

M o d e

C o n f i g u r a t i o n

E x t e r n a l C l o c k

A u d i o

D a t a

P r o c e s s o r

7

8

1

5

2

3

4

D I F 0

D E M 0

R S T

M C L K

H T 8 2 V 7 3 8

S D A T A

S C L K / D E M 1

L R C K

R E F _ G N D

A G N D

1 3

0 . 1mF 1mF

F I L T +

1 0

V Q

1 1

A O U T A

A O U T B

1 6

1 5

1 2

M U T E C

R i g h t C h a n n e lL e f t C h a n n e l

2 3 2 2 2 1 2 0 1 9 1 8

R i g h t C h a n n e lL e f t C h a n n e l

1 41 5

+ 5 V t o + 3 V

+

7 6 5 4 3 2 1 0

7 6 5 4 3 2 1 0

9

0 . 1mF 1mF

1mF

0 . 1mF

3 . 3mF

3 . 3mF

5 6 0

W

1 0 k

5 6 0

1 0 k

C

W

W

C

W

O p t i o n a l

M u t e

C i r c u i t

1

C =

4pF s ( R

| | 5 6 0 )

L

R

L

R

L

A u d i o
O u t p u t A

A u d i o
O u t p u t B

Rev. 1.00 5 October 16, 2003

Package Information

16-pin NSOP (150mil) Outline Dimensions

HT82V738

1 6

A

1

C

D

E

Symbol

A 228

B 149

C14

C¢

D53

E

F4

G22

H4

9

B

8

C '

F

G

H

a

Dimensions in mil

Min. Nom. Max.

¾

¾

¾

386

¾

¾

¾

50

¾

¾

¾

a 0°¾10°

244

157

20

394

69

¾

10

28

12

Rev. 1.00 6 October 16, 2003

Product Tape and Reel Specifications

Reel Dimensions

HT82V738

T 2

A

B

T 1

D

SOP 16N (150mil)

Symbol Description Dimensions in mm

A Reel Outer Diameter

B Reel Inner Diameter

C Spindle Hole Diameter

D Key Slit Width

T1 Space Between Flange

T2 Reel Thickness

330±1.0

62±1.5

13.0+0.5

2.0±0.5

16.8+0.3

22.2±0.2

C

-0.2

-0.2

Rev. 1.00 7 October 16, 2003

Carrier Tape Dimensions

HT82V738

D

E

F

PD 1

P 1P 0

W

A 0

B 0

C

SOP 16N (150mil)

Symbol Description Dimensions in mm

W Carrier Tape Width

P Cavity Pitch

E Perforation Position

F Cavity to Perforation (Width Direction)

16.0±0.3

8.0±0.1

1.75±0.1

7.5±0.1

D Perforation Diameter 1.55+0.1

D1 Cavity Hole Diameter 1.5+0.25

P0 Perforation Pitch

P1 Cavity to Perforation (Length Direction)

A0 Cavity Length

B0 Cavity Width

K0 Cavity Depth

t Carrier Tape Thickness

4.0±0.1

2.0±0.1

6.5±0.1

10.3±0.1

2.1±0.1

0.3±0.05

C Cover Tape Width 13.3

t

K 0

Rev. 1.00 8 October 16, 2003

Holtek Semiconductor Inc. (Headquarters)

No.3, Creation Rd. II, Science Park, Hsinchu, Taiwan
Tel: [phone]
Fax: [phone]
http://www.holtek.com.tw

Holtek Semiconductor Inc. (Taipei Sales Office)

4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan
Tel: [phone]
Fax: [phone]
Fax: [phone] (International sales hotline)

HT82V738

Holtek Semiconductor Inc. (Shanghai Sales Office)

7th Floor, Building 2, No.889, Yi Shan Rd., Shanghai, China 200233
Tel: [phone]
Fax: [phone]
http://www.holtek.com.cn

Holtek Semiconductor Inc. (Shenzhen Sales Office)

5/F, Unit A, Productivity Building, Cross of Science M 3rd Road and Gaoxin M 2nd Road, Science Park, Nanshan District,
Shenzhen, China 518057
Tel: [phone]
Fax: [phone]

Holtek Semiconductor Inc. (Beijing Sales Office)

Suite 1721, Jinyu Tower, A129 West Xuan Wu Men Street, Xicheng District, Beijing, China 100031
Tel: [phone]
Fax: [phone]

Holtek Semiconductor Inc. (Chengdu Sales Office)

709, Building 3, Champagne Plaza, No.97 Dongda Street, Chengdu, Sichuan, China 610016
Tel: [phone]
Fax: [phone]

Holmate Semiconductor, Inc. (North America Sales Office)

46729 Fremont Blvd., Fremont, CA 94538
Tel: [phone]
Fax: [phone]
http://www.holmate.com

Copyright Ó 2003 by HOLTEK SEMICONDUCTOR INC.

The information appearing in this Data Sheet is believed to be accurate at the time of publication. However, Holtek as
sumes no responsibility arising from the use of the specifications described. The applications mentioned herein are used
solely for the purpose of illustration and Holtek makes no warranty or representation that such applications will be suitable
without further modification, nor recommends the use of its products for application that may present a risk to human life
due to malfunction or otherwise. Holtek¢s products are not authorized for use as critical components in life support devices
or systems. Holtek reserves the right to alter its products without prior notification. For the most up-to-date information,
please visit our web site at http://www.holtek.com.tw.

-

Rev. 1.00 9 October 16, 2003