參數(shù)資料
型號: CROSSREFERENCE
英文描述: Cross Reference - Product Selection Guide 2000
中文描述: 交叉參考-產(chǎn)品選擇指南2000
文件頁數(shù): 113/159頁
文件大?。?/td> 846K
代理商: CROSSREFERENCE
114
Audio Products—New Products
PCM1740
24-Bit, 96kHz
AUDIO DAC with VCXO and PLL
PCM1744
Low Cost, 24-Bit, 96kHz
AUDIO DAC
FEATURES
G
INPUT AUDIO DATA WORD: 16-, 20-, 24-Bit
G
SAMPLING FREQUENCY: 96kHz max (f
S
)
G
DYNAMIC RANGE: 92dB
G
I
2
C CONTROL INTERFACE
G
PROGRAMMABLE PLL CIRCUIT: 256/384f
S
from 27MHz Master Clock
G
ON-CHIP VCXO GENERATES 27MHz
±
150ppm
WITH A 0-3V CONTROL VOLTAGE
G
NORMAL OR I
2
S DATA INPUT FORMATS
G
SSOP-24 PACKAGE
8x Oversampling
Interpolation
Filter
Low-Pass
Filter
Output
Amp
Multi-Level
Σ
Modulator
V
OUT
L
V
OUT
R
LRCK
BCK
DATA
DEMP
SCKI
GND
V
CC
8x Oversampling
Interpolation
Filter
Low-Pass
Filter
Output
Amp
Multi-Level
Σ
Modulator
V
COM
Serial
Interface
Clock
Manager
Reset
De-Emphasis
Control
Power
Supply
FEATURES
G
INPUT AUDIO DATA FORMAT: 24-Bit I
2
S
G
SAMPLING FREQUENCY: 96kHz max (f
S
)
G
DYNAMIC RANGE: 95dB
G
8x OVERSAMPLING DIGITAL FILTER
G
SYSTEM CLOCK: 256/384f
S
G
SMALL SOIC-14 PACKAGE
G
PIN COMPATIBLE WITH PCM1725 and PCM1733
TM
TM
PCM
Audio
I/F
I
2
C
I/F
and
REGs
VCXO
SCL
SDA
AD1
AD0
XTUN
XTI
XTO
RSTB
X'tal
27MHz
8x
Oversampling
Digital Filter
and
Sub-Functions
Process
DAC
(R)
Counter M
V
OUT
L
CAP
ZERO
SCKO
(256f
S
/384f
S
)
MCKO
(27MHz)
V
OUT
R
Counter N
Power Supply
Reset
BCKIN
LRCIN
DIN
PD
V
CP
AGND
DGND
V
CC
V
DD
PGND
DAC
(L)
Low-Pass Filter
f
–3
dB = 100kHz
LPF
VCO
D
e
v
e
l
o
p
m
e
n
t
In
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