參數(shù)資料
型號(hào): PCM1728
英文描述: 24-Bit, 96kHz Sampling CMOS Delta-Sigma Stereo Audio DIGITAL-TO-ANALOG CONVERTER
中文描述: 24位,96kHz采樣的CMOSΔ-Σ立體聲音頻數(shù)字模擬轉(zhuǎn)換器
文件頁(yè)數(shù): 2/11頁(yè)
文件大小: 185K
代理商: PCM1728
2
PCM1728
SPECIFICATIONS
All specifications at +25
°
C, +V
CC
= +V
DD
= +5V, f
S
= 44.1kHz, and 24-bit input data, SYSCLK = 384f
S
, unless otherwise noted.
PCM1728
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RESOLUTION
DATA FORMAT
Audio Data Interface Format
Data Bit Length
Audio Data Format
Sampling Frequency (f
)
System Clock Frequency
(1)
DIGITAL INPUT/OUTPUT LOGIC LEVEL
Input Logic Level
24
Bits
Standard/I
2
S
16/20/24 Selectable
MSB-First, Two’s Binary Comp
16
96
kHz
256/384/512/768f
S
V
IH
V
IL
2.0
V
V
V
V
0.8
Output Logic Level (CLKO) V
OH
I
OH
= 2mA
I
OL
= 4mA
4.5
V
OL
0.5
CLKO PERFORMANCE
(2)
Output Rise Time
Output Fall Time
Output Duty Cycle
DYNAMIC PERFORMANCE
(3)
(24-Bit Data)
THD+N
20 ~ 80% V
DD
, 10pF
80 ~ 20% V
, 10pF
10pF Load
5.5
4
37
ns
ns
%
V
O
= 0dB
f
S
= 44.1kHz
f
= 96kHz
f
S
= 44.1kHz
–97
–94
–42
106
103
106
103
102
101
–90
dB
dB
dB
dB
dB
dB
dB
dB
dB
V
O
= –60dB
Dynamic Range
f
S
=44.1kHz EIAJ A-weighted
f
= 96kHz A-weighted
f
S
=44.1kHz EIAJ A-weighted
f
S
= 96kHz A-weighted
f
S
= 44.1kHz
f
S
= 96kHz
98
Signal-to-Noise Ratio
98
Channel Separation
96
DYNAMIC PERFORMANCE
(3)
(16-Bit Data)
THD+N
V
O
= 0dB
f
S
= 44.1kHz
f
= 96kHz
–94
–92
98
97
dB
dB
dB
dB
Dynamic Range
f
S
= 44.1kHz EIAJ A-weighted
f
S
= 96kHz A-weighted
DC ACCURACY
Gain Error
Gain Mismatch: Channel-to-Channel
Bipolar Zero Error
ANALOG OUTPUT
Output Voltage
Center Voltage
Load Impedance
DIGITAL FILTER PERFORMANCE
Filter Characteristics
Passband
±
1.0
±
1.0
±
30
±
3.0
±
3.0
±
60
% of FSR
% of FSR
mV
V
O
= 0.5V
CC
at Bipolar Zero
Full Scale (0dB)
0.62 V
CC
0.5 V
CC
Vp-p
V
k
AC Load
5
±
0.002dB
–3dB
0.454f
S
0.490f
S
Stopband
Passband Ripple
Stopband Attenuation
0.546f
S
±
0.002
dB
dB
dB
sec
dB
Stop Band = 0.546f
S
Stop Band = 0.567f
S
–75
–82
Delay Time
De-emphasis Error
INTERNAL ANALOG FILTER
–3dB Bandwidth
Passband Response
POWER SUPPLY REQUIREMENTS
Voltage Range
Supply Current: I
CC
+I
DD
30/f
S
±
0.1
100
–0.16
kHz
dB
f = 20kHz
V
V
f
S
= 44.1kHz
f
= 96kHz
f
S
= 44.1kHz
f
S
= 96kHz
4.5
5
32
45
160
225
5.5
45
VDC
mA
mA
mW
mW
Power Dissipation
225
TEMPERATURE RANGE
Operation
Storage
–25
–55
+85
+100
°
C
°
C
NOTES: (1) Refer section of system clock. (2) External buffer is recommended. (3) Dynamic performance specs are tested with 20kHz low pass filter and THD+N
specs are tested with 30kHz LPF, 400Hz HPF, Average Mode.
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