參數(shù)資料
型號(hào): 935265527551
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PQFP64
封裝: PLASTIC, QFP-64
文件頁(yè)數(shù): 37/55頁(yè)
文件大?。?/td> 387K
代理商: 935265527551
1999 May 10
42
Philips Semiconductors
Preliminary specication
Universal Serial Bus (USB) CODEC
UDA1325
Analog PLL (for ADC clock)
fclk(PLL)
PLL clock frequency
8.1920
11.2896
12.2880
MHz
δ
duty factor
50
%
tstrt(PO)
start-up time after power-on
10
ms
Power-on reset
tsu(PO)
power-on set-up-time
note 1
25Cref(2)
ms
PGA and ADC
Vi(FS)(rms)
full-scale input voltage (RMS value) PGA gain =
3dB
1414(3)
mV
PGA gain=0dB
1000
mV
PGA gain=3dB
708
mV
PGA gain=9dB
355
mV
PGA gain = 15 dB
178
mV
PGA gain = 21 dB
89
mV
PGA gain = 27 dB
44
mV
Ci(PGA)
input capacitance of the PGA
20
pF
(THD + N)/S
total harmonic distortion plus
noise-to-signal ratio
fs = 44.1 kHz at
input signal of
1 kHz; PGA
gain = 0 dB;
note 4
Vi (0 dB)
1.0 V (RMS)
85
80
dB
0.0056
0.01
%
Vi (60 dB)
30
20
dB
3.2
10.0
%
S/N
signal to noise ratio
Vi = 0.0 V
90
95
dBA
α
ct
crosstalk between channels
PGA gain=0dB
100
dB
fs
sample frequency (128fs)
0.640
7.04
MHz
OL
digital output level
PGA gain=0dB,
Vi = 1 V (RMS)
2.0
dBFS
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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