參數(shù)資料
型號(hào): PCM1720
英文描述: Stereo Audio DIGITAL-TO-ANALOG CONVERTER MPEG2/AC-3 COMPATIBLE
中文描述: 立體聲音頻數(shù)字模擬轉(zhuǎn)換器MPEG2/AC-3兼容
文件頁(yè)數(shù): 2/13頁(yè)
文件大小: 194K
代理商: PCM1720
PCM1720
2
SPECIFICATIONS
All specifications at +25
°
C, +V
CC
= +V
DD
= +5V, f
S
= 44.1kHz, and 16-bit input data, SYSCLK = 384f
S
, unless otherwise noted.
PCM1720
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RESOLUTION
DATA FORMAT
Audio Data Format
Data Bit Length
16
24
Bits
Standard/I
2
S
16/20/24
Selectable
44.1
22.05
88.2
256f
S
/384f
S
Sampling Frequency (f
S
)
Standard f
S
One-half f
S
Double f
S
32
16
64
48
24
96
kHz
kHz
kHz
Internal System Clock Frequency
DIGITAL INPUT/OUTPUT LOGIC LEVEL
DYNAMIC PERFORMANCE
(1)
THD+N at f
S
(0dB)
TTL
f
S
= 44.1kHz
f
S
= 96kHz
f
S
= 44.1kHz
f
S
= 96kHz
f
S
= 44.1kHz
f
S
= 96kHz
f
S
= 44.1kHz
f
S
= 96kHz
f
S
= 44.1kHz
–90
–88
–34
–31
96
93
100
97
97
–80
dB
dB
dB
dB
dB
dB
dB
dB
dB
THD+N at –60dB
Dynamic Range
90
Signal-to-Noise Ratio
(2)
92
Channel Separation
90
DC ACCURACY
Gain Error
Gain Mismatch, Channel-to-Channel
±
1.0
±
1.0
±
5.0
±
5.0
% of FSR
% of FSR
Bipolar Zero Error
V
OUT
= V
CC
/2 at BPZ
±
30
mV
ANALOG OUTPUT
Output Voltage
Center Voltage
Load Impedance
Full Scale (0dB)
0.62 x V
CC
V
CC
/2
Vp-p
VDC
k
AC Load
5
DIGITAL FILTER PERFORMANCE
Passband
Stopband
Passband Ripple
Stopband Attenuation
Delay Time
De-emphasis Error
0.445
f
S
f
S
dB
dB
sec
dB
0.555
±
0.17
–35
11.125/f
S
–0.2
+0.55
INTERNAL ANALOG FILTER
–3dB Bandwidth
Passband Response
100
–0.16
kHz
dB
f = 20kHz
POWER SUPPLY REQUIREMENTS
Voltage Range
Supply Current: I
CC
+
I
DD
V
DD
, V
CC
4.5
5
5.5
25
35
VDC
mA
mA
V
CC
= V
DD
= 5V, f
S
= 44.1kHz
V
CC
= V
DD
= 5V, f
S
= 96kHz
18
25
TEMPERATURE RANGE
Operation
Storage
–25
–55
+85
+100
°
C
°
C
NOTES: (1) Dynamic performance specs are tested with 20kHz low pass filter and THD+N specs are tested with 30kHz LPF, 400Hz HPF, Average-Mode. (2) SNR
is tested with Infinite Zero Detection off.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
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