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Ordering number : EN*5537A

CMOS IC

LC78857V

Digital Audio D/A Converter IC

with On-Chip Digital Filters

Preliminaly

Overview

The LC78857V is a sigma-delta type D/A converter for

use in digital audio systems. It provides both digital and

analog filters on chip.

Package Dimensions

unit: mm

3175A-SSOP24

[LC78857V]

Features

鈥?Built-in 8x oversampling digital filters: 3-stage FIR

structure (31st order, 11th order, and 3rd order filters)

鈥?Analog low-pass filter

鈥?Digital deemphasis (handles Fs = 44.1 kHz operation)

鈥?Digital attenuator

鈥?Soft muting

鈥?Supports a 384fs system clock rate.

鈥?5-V single-voltage power supply

鈥?Fabricated in a silicon gate CMOS process.

SANYO: SSOP24

Specifications

Absolute Maximum Ratings

at V

SS

= 0 V

Parameter

Maximum supply voltage

Input voltage

Output voltage

Operating temperature

Storage temperature

Symbol

V

DD

max

V

IN

V

OUT

Topr

Tstg

Conditions

Ratings

鈥?.3 to +7.0

鈥?.3 to V

DD

+0.3

鈥?.3 to V

DD

+0.3

鈥?0 to +75

鈥?0 to +125

Unit

V

V

V

擄C

擄C

Allowable Operating Ranges

at Ta = 25擄C

Parameter

Supply voltage

Input voltage

Operating temperature

Symbol

V

DD

T

IN

Topr

Conditions

Ratings

min

3.5

0

鈥?0

typ

5.0

max

5.5

V

DD

+75

Unit

V

V

擄C

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-0005 JAPAN

D3097HA (OT) No. 5537-1/11

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