參數(shù)資料
型號(hào)： PCM9211PTR
廠商： TEXAS INSTRUMENTS INC
元件分類： 網(wǎng)絡(luò)接口
英文描述： DATACOM, TOKEN RING TRANSCEIVER, PQFP48
封裝： GREEN, PLASTIC, LQFP-48
文件頁(yè)數(shù)： 78/121頁(yè)
文件大小： 1219K
代理商： PCM9211PTR
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SBAS495 – JUNE 2010
www.ti.com
ELECTRICAL CHARACTERISTICS: Digital Audio I/F Receiver (DIR)
All specifications at TA = +25°C, VCC = VDD = VDDRX = 3.3 V, and VCCAD = 5 V, unless otherwise noted.
PCM9211
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DIR, COAXIAL INPUT AMPLIFIER (RXIN0 and RXIN1)
Input resistance
20
k
Ω
Input voltage
0.2
VPP
Input hysteresis
50
mV
Input sampling frequency
7
216
kHz
DIR, BIPHASE SIGNAL INPUT and PLL
Normal mode
28
108
kHz
Input biphase sampling
frequency range
Wide mode
7
216
kHz
Input sampling frequency
IEC60958-3 (2003-01)
Level III (±12.5%)
accuracy
Jitter tolerance
IEC60958-3 (2003-01)
IEC60958-3
From biphase signal detection to error out
PLL lock up time(1)
100
ms
release (ERROR = L)
DIR, RECOVERED CLOCK and DATA
Serial audio data width
16
24
Bits
128fS
0.896
27.648
MHz
System clock frequency
256fS
1.792
55.296
MHz
512fS
3.584
55.296
MHz
Bit clock frequency
64fS
0.448
13.824
MHz
LR clock frequency
fS
7
216
kHz
fS = 48 kHz, SCKO = 256fS, measured
System clock jitter
50
100
ps, rms
period jitter
System clock duty cycle
50% reference
±5
%
DIT
Output biphase sampling
7
216
kHz
frequency
128fS
0.896
27.648
MHz
Input system clock frequency
256fS
1.792
55.296
MHz
512fS
3.584
55.296
MHz
Input bit clock frequency
64fS
0.448
13.824
MHz
Input LR clock frequency
fS
7
216
kHz
OSCILLATOR CIRCUIT, XTI and XMCKO CLOCK
XTI source clock frequency
24.576
MHz
Frequency accuracy
–100
100
ppm
XTI input clock duty cycle
45
55
%
XMCKO frequency
24.576
MHz
XMCKO output duty cycle
50% reference
±5
%
PCM OUTPUT PORT (SCKO, BCK, LRCK, DOUT)
System clock frequency
128fS / 256fS / 512fS
0.896
55.296
MHz
Bit clock output frequency
64fS
0.448
13.824
MHz
LR clock output frequency
fS
7
216
kHz
ROUTING
System clock frequency
128fS / 256fS / 512fS
0.896
55.296
MHz
Bit clock output Frequency
64fS
0.448
13.824
MHz
LR clock output frequency
fS
7
216
kHz
(1)
PLL lock-up time varies with ERROR release wait time setting (Register 23h/ERRWT). Therefore, lock-up time in this table shows the
value at ERRWT = 11 as the shortest time setting.
6
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): PCM9211
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