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參數(shù)資料
| 型號： | SM5879AV |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | 3rd-order , 2-channel D/A Converter |
| 中文描述： | 第三階，2通道D / A轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 137K |
| 代理商： | SM5879AV |
SM5879AV
NIPPON PRECISION CIRCUITS—1
NIPPON PRECISION CIRCUITS INC.
3rd-order
Σ
, 2-channel D/A Converter
OVERVIEW
The SM5879AV is a 3rd-order
convertor LSI for digital audio reproduction equip-
ment. This device incorporate NPC's molybdenum-
gate CMOS technology and incorporates an 8-times
oversampling digital filter and analog 3rd-order
post-converter low-pass filters.
∑
, two-channel D/A
∑
The SM5879AV also incorporates built-in digital
bass boost and deemphasis filters, an attenuator, and
soft mute function. Low-voltage operation is also
supported.
This device features a compact 24-pin VSOP pack-
age and a D/A converter that provides both compact
size and low power consumption.
FEATURES
I
2.7 to 3.3 V operating supply voltage
44.1 kHz sampling frequency
16.9344 MHz (384fs) system clock
Built-in crystal oscillator circuit
16-bit, MSB first, rear-packed serial data input
format (
≤
64 fs bit clock)
8-times oversampling digital filter
32 dB stopband attenuation
+0.05 to -0.05 dB passband ripple
Deemphasis filter operation
36 dB stopband attenuation
-0.09 to +0.23 dB deviation from ideal deem-
phasis filter characteristics
Attenuator
7-bit attenuator (128 steps) set by microcontrol-
ler
Soft mute function set by parallel setting
(approximately 1024/fs total muting time)
Mono setting
Left or right channel mono selectable by micro-
controller
Built-in infinity-zero detection circuit
∑
, two-channel D/A converter
3rd-order noise shaper
32fs oversampling
Built-in 3rd-order post-converter low-pass filters
24-pin VSOP package
Molybdenum-gate CMOS process
I
I
I
I
I
I
I
I
I
I
I
I
I
I
PINOUT
(TOP VIEW)
PACKAGE DIMENSIONS
Unit: mm
24-pin VSOP
ORDERING INFOMATION
Device
Package
SM5879AV
24pin VSOP
A
V
DVDD
TEST
P / M
AVDDR
RO
AVSSR
TO1
AVSSL
LRCI
BCKI
DI
BB2 / BBON
BB1 / MDT
DEEM / MCK
MUTE / MLEN
XVDD
XTO
XTI
S
LO
AVDDL
MUTEO
DVSS
XVSS
CKO
1
12
13
24
0.65
7.8
±
0.1
0
±
0 to 10
5
±
0
7
±
0
+
0.1
0.22
0.05
+
0
1
0
0.15
+
0.02
0
0
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