參數(shù)資料
型號(hào): UDA1325
廠商: NXP Semiconductors N.V.
元件分類: Codec
英文描述: Universal Serial Bus USB CODEC
中文描述: 通用串行總線解碼器
文件頁(yè)數(shù): 4/52頁(yè)
文件大?。?/td> 310K
代理商: UDA1325
1999 May 10
4
Philips Semiconductors
Preliminary specification
Universal Serial Bus (USB) CODEC
UDA1325
QUICK REFERENCE DATA
Note
1.
Exclusive the IDDE current which depends on the components connected to the I/O pins.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
V
DDE
V
DDI
I
DD(tot)
I
DD(tot)(ps)
supply voltage periphery
supply voltage core
total supply current
total supply current in power-saving
mode
4.75
3.0
5.0
3.3
60
360
5.25
3.6
tbf
V
V
mA
μ
A
note 1
Dynamic performance DAC
(THD + N)/S
total harmonic distortion plus
noise-to-signal ratio
f
s
= 44.1 kHz; R
L
= 5 k
f
i
= 1 kHz (0 dB)
90
0.0032
30
3.2
95
0.66
80
0.01
20
10
dB
%
dB
%
dBA
V
f
i
= 1 kHz (
60 dB)
S/N
V
o(FS)(rms)
signal-to-noise ratio at bipolar zero
full-scale output voltage
(RMS value)
A-weighted at code 0000H 90
V
DD
= 3.3 V
Dynamic performance PGA and ADC
(THD + N)/S
total harmonic distortion plus
noise-to-signal ratio
f
s
= 44.1 kHz;
PGA gain = 0 dB
f
i
= 1 kHz; (0 dB);
V
i
= 1.0 V (RMS)
90
85
0.0056
30
3.2
95
80
0.01
20
10.0
dB
%
dB
%
dBA
f
i
= 1 kHz (
60 dB)
S/N
signal-to-noise ratio
V
i
= 0.0 V
General characteristics
f
i(s)
T
amb
audio input sample frequency
operating ambient temperature
5
0
25
55
70
kHz
°
C
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