SANYO LC78833V, LC78833M Datasheet

Ordering number : EN*5212

D3095HA (OT) No. 5212-1/11

Overview

The LC78833M and LC78833V are CMOS 16-bit D/A
converters with built-in 4× oversampling digital filters.

Functions and Features

[Digital Filter Block]

•4×oversampling filters: Two FIR filter stages (33rd and

ninth order)

• De-emphasis filter: Supports a 44.1 kHz sampling
frequency (fs).

[D/A Converter Block]

• Dynamic level shifting conversion 16-bit D/A converter

• D/A converters for two channels (synchronized outputs)
on a single chip

• On-chip output operational amplifiers

• System clock: 384fs

• 5-V single-voltage power supply

• Supports low-voltage operation (3.0 V)

• Implemented in a Si gate CMOS process for low power.

Package Dimensions

unit: mm

3036B-MFP20

unit: mm

3175A-SSOP24

Preliminary

SANYO: MFP20

[LC78833M]

SANYO: SSOP24

[LC78833V]

LC78833M, 78833V

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

Digital Audio 16-Bit D/A Converter

with Built-In Digital Filters

CMOS LSI

Specifications

Absolute Maximum Ratings at Ta = 25°C, VSS= 0 V

Parameter Symbol Conditions Ratings Unit

Maximum supply voltage V

DD

max –0.3 to +7.0 V

Maximum input voltage V

IN

max –0.3 to VDD+ 0.3 V

Maximum output voltage V

OUT

max –0.3 to VDD+ 0.3 V
Operating temperature Topr –30 to +75 °C
Storage temperature Tstg –40 to +125 °C

Allowable Operating Ranges

Electrical Characteristics (1)

at Ta = 25°C, AVDD= DVDD= Vref H = 5.0 V, AGND = DGND = Vref L = 0 V, unless otherwise specified

Note: 1.Here, 0 dB means full scale.

2. Pin numbers in parentheses are for the LC78833V.

Electrical Characteristics (2)

at Ta = 25°C, AVDD= DVDD= Vref H = 3.0 V, AGND = DGND = Vref H = 0 V, unless otherwise specified

Note: 1.Here, 0 dB means full scale.

2. Pin numbers in parentheses are for the LC78833V.

No. 5212-2/11

LC78833M, 78833V

Parameter Symbol Conditions min typ max Unit

Supply voltage V

DD

3.0 5.0 5.5 V

Reference voltage (high) Vref H V

DD

– 0.3 V

DD

V

Reference voltage (low) Vref L 0 +0.3 V

Parameter Symbol Conditions min typ max Unit
D/A converter resolution RES 16 Bit
Total harmonic distortion THD At 1 kHz and 0 dB

*1

0.08 %
Dynamic range DR At 1 kHz, –60 dB 92 94 dB
Crosstalk CT At 1 kHz and 0 dB –85 dB
Signal-to-noise ratio S/N JIS-A 96 100 dB
Full-scale output voltage VFS 2.6 2.8 3.0 Vp-p
Power dissipation Pd At fs = 44.1 kHz 60 90 mW
Output load resistance RL Pins 1 and 20 (1 and 24)

*2

5 kΩ

Parameter Symbol Conditions min typ max Unit
D/A converter resolution RES 16 Bit
Total harmonic distortion THD At 1 kHz and 0 dB

*1

0.10 %
Dynamic range DR At 1 kHz, –60 dB 90 92 dB
Crosstalk CT At 1 kHz and 0 dB –85 dB
Signal-to-noise ratio S/N JIS-A 94 98 dB
Full-scale output voltage VFS 1.55 1.7 1.85 Vp-p
Power dissipation Pd At fs = 44.1 kHz 15 25 mW
Output load resistance RL Pins 1 and 20 (1 and 24)

*2

30 kΩ

Block Diagram

DC characteristics at Ta = –30 to 75°C, VDD= 3.0 to 5.5 V, VSS= 0 V

Note: * Pins in parentheses apply to the LC78833V.

AC Characteristics at Ta = –30 to 75°C, VDD= 3.0 to 5.5 V, VSS= 0 V

No. 5212-3/11

LC78833M, 78833V

Parameter Symbol Conditions min typ max Unit

Input high-level voltage (1) V

IH

1 Pins 5, 6, 7, 12, 13, and 14 (pins 6, 7, 8, 14, 16, and 17)* 2.2 V

Input low-level voltage (1) V

IL

1 Pins 5, 6, 7, 12, 13, and 14 (pins 6, 7, 8, 14, 16, and 17)* 0.8 V

Input high-level voltage (2) V

IH

2 Pin 8 (pin 9)* 0.7 V

DD

V

Input low-level voltage (2) V

IL

2 Pin 8 (pin 9)* 0.3 V

DD

V

Output high-level voltage V

OH

Pin 9 (pin 11)*: IOH= –3 mA 2.4 V

Output low-level voltage V

OL

Pin 9 (pin 11)*: IOL= 3 mA 0.4 V

Input leakage current I

L

Pins 5, 6, 7, 8, 12, 13, and 14

–25 +25 µA

(pins 6, 7, 8, 9, 14, 16, and 17)*: V

I

= VSS, V

DD

Parameter Symbol Conditions min typ max Unit

Clock pulse width t

CW

25 ns

Clock pulse period t

CY

50 1000 ns

BCLK pulse width t

BCW

60 ns

BCLK pulse period t

BCY

120 ns

Data setup time t

DS

40 ns

Data hold time t

DH

40 ns

LRCK setup time t

LRS

40 ns

LRCK hold time t

LRH

40 ns

BCLK rise time t

Br

40 ns

BCLK fall time t

Bf

40 ns

SYSCLK rise time t

Sr

20 ns

SYSCLK fall time t

Sf

20 ns

Audio Input Waveforms

Pin Assignments

No. 5212-4/11

LC78833M, 78833V