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SM5879 PDF预览

SM5879

更新时间: 2024-02-19 12:48:17
品牌 Logo 应用领域
NPC 转换器
页数 文件大小 规格书
20页 137K
描述
3rd-order , 2-channel D/A Converter

SM5879 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:SSOP, SSOP24,.3Reach Compliance Code:unknown
风险等级:5.68Is Samacsys:N
转换器类型:D/A CONVERTER输入位码:2'S COMPLEMENT
JESD-30 代码:R-PDSO-G24位数:16
功能数量:2端子数量:24
最高工作温度:70 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装等效代码:SSOP24,.3封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH电源:3 V
认证状态:Not Qualified子类别:Other Converters
标称供电电压:3 V表面贴装:YES
技术:CMOS温度等级:OTHER
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUALBase Number Matches:1

SM5879 数据手册

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SM5879AV  
3rd-order Σ∆, 2-channel D/A Converter  
NIPPON PRECISION CIRCUITS INC.  
OVERVIEW  
PINOUT (TOP VIEW)  
The SM5879AV is a 3rd-order ∑∆, two-channel D/A  
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.  
1
24  
LRCI  
DVDD  
BCKI  
TEST  
P / M  
DI  
AVDDR  
RO  
BB2 / BBON  
BB1 / MDT  
DEEM / MCK  
MUTE / MLEN  
XVDD  
The SM5879AV also incorporates built-in digital  
bass boost and deemphasis filters, an attenuator, and  
soft mute function. Low-voltage operation is also  
supported.  
AVSSR  
TO1  
AVSSL  
LO  
XTO  
XTI  
This device features a compact 24-pin VSOP pack-  
age and a D/A converter that provides both compact  
size and low power consumption.  
AVDDL  
MUTEO  
DVSS  
XVSS  
CKO  
12  
13  
FEATURES  
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)  
PACKAGE DIMENSIONS  
Unit: mm  
24-pin VSOP  
8-times oversampling digital filter  
• 32 dB stopband attenuation  
• +0.05 to -0.05 dB passband ripple  
Deemphasis filter operation  
• 36 dB stopband attenuation  
+ 0.05  
0.15 0.02  
7.8 ± 0.1  
• -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  
0 to 10  
+0.1  
0.05  
0.22  
0.65  
Built-in infinity-zero detection circuit  
∑∆, two-channel D/A converter  
• 3rd-order noise shaper  
ORDERING INFOMATION  
• 32fs oversampling  
Device  
Package  
Built-in 3rd-order post-converter low-pass filters  
24-pin VSOP package  
SM5879AV  
24pin VSOP  
Molybdenum-gate CMOS process  
NIPPON PRECISION CIRCUITS—1  

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