參數(shù)資料
型號(hào)： 935261790112
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDSO28
封裝： 5.30 MM, PLASTIC, SSOP-28
文件頁(yè)數(shù)： 23/31頁(yè)
文件大?。?/td> 199K
代理商： 935261790112
2000 Feb 04
3
Philips Semiconductors
Preliminary specication
Low-voltage low-power stereo audio
CODEC with DSP features
UDA1344TS
QUICK REFERENCE DATA
Notes
1. The input voltage can be up to 2 V (RMS) when the current through the ADC input pin is limited to approximately
1 mA by using a series resistor.
2. The input voltage to the ADC is inversely proportional to the supply voltage.
3. The output voltage of the UDA1344TS differs from the output voltage of the UDA1340M.
4. The output of the DAC scales proportionally with the supply voltage.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
VDDA(ADC)
ADC analog supply voltage
2.7
3.0
3.6
V
VDDA(DAC)
DAC analog supply voltage
2.7
3.0
3.6
V
VDDO
operational amplier supply voltage
2.7
3.0
3.6
V
VDDD
digital supply voltage
2.7
3.0
3.6
V
IDDA(ADC)
ADC analog supply current
operating
9.0
11.0
mA
ADC power-down
3.5
5.0
mA
IDDA(DAC)
DAC analog supply current
operating
4.0
6.0
mA
DAC power-down
25
75
A
IDDO
operational amplier supply current
operating
4.0
6.0
mA
DAC power-down
250
350
A
IDDD
digital supply current
operating
6.0
9.0
mA
DAC power-down
2.5
4.0
mA
ADC power-down
3.5
5.0
mA
Tamb
ambient temperature
40
+85
°C
Analog-to-digital converter
Vi(rms)
input voltage (RMS value)
notes 1 and 2
1.0
V
(THD + N)/S
total harmonic distortion-plus-noise to
signal ratio
at 0 dB
85
80
dB
at
60 dB; A-weighted
35
30
dB
S/N
signal-to-noise ratio
Vi = 0 V; A-weighted
95
dB
α
cs
channel separation
100
dB
Digital-to-analog converter
Vo(rms)
output voltage (RMS value)
notes 3 and 4
900
mV
(THD + N)/S
total harmonic distortion-plus-noise to
signal ratio
at 0 dB
90
85
dB
at
60 dB; A-weighted
37
dB
S/N
signal-to-noise ratio
code = 0; A-weighted
100
dB
α
cs
channel separation
100
dB
Power performance
PADDA
power consumption in record and
playback mode
69
mW
PDA
power consumption in playback mode
42
mW
PAD
power consumption in record mode
37.5
mW
PPD
power consumption in power-down mode
17
mW
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