參數(shù)資料
型號: UDA1344
廠商: NXP Semiconductors N.V.
元件分類: Codec
英文描述: Low-voltage low-power stereo audio CODEC with DSP features
中文描述: 低電壓低功耗立體聲音頻編解碼器與數(shù)字信號處理功能
文件頁數(shù): 17/28頁
文件大?。?/td> 126K
代理商: UDA1344
2000 Feb 04
17
Philips Semiconductors
Preliminary specification
Low-voltage low-power stereo audio
CODEC with DSP features
UDA1344TS
Notes
1.
2.
All power supply pins (V
DD
and V
SS
) must be connected to the same external power supply unit.
When higher capacitive loads must be driven, a 100
resistor must be connected in series with the DAC output in
order to prevent oscillations in the output operational amplifier.
Digital outputs
V
OH
V
OL
Three-level inputs: pins MP2 and MP4
HIGH-level output voltage
LOW-level output voltage
I
OH
=
2 mA
I
OL
= 2 mA
0.85V
DDD
0.4
V
V
V
IH
V
IM
V
IL
Analog-to-digital converter
HIGH-level input voltage
MIDDLE-level input voltage
LOW-level input voltage
0.9V
DDD
0.4V
DDD
0.5
V
DDD
+ 0.5
0.6V
DDD
0.1V
DDD
V
V
V
V
ref(A)
reference voltage
referenced to
V
SSA(ADC)
0.45V
DDA
0.5V
DDA
0.55V
DDA
V
R
o(refA)
R
i
C
i
Digital-to-analog converter
output resistance on pin V
ref(A)
input resistance
input capacitance
24
9.8
20
k
k
pF
f
i
= 1 kHz
V
ref(D)
reference voltage
referenced to
V
SSA(DAC)
0.45V
DDA
0.5V
DDA
0.55V
DDA
V
R
o(refD)
R
o
I
o(max)
output resistance on pin V
ref(D)
output resistance of DAC
maximum output current
28
0.13
0.22
3.0
k
mA
(THD + N)/S < 0.1
%; R
L
= 5 k
R
L
C
L
load resistance
load capacitance
3
200
k
pF
note 2
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UDA1344TS 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-voltage low-power stereo audio CODEC with DSP features
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