參數(shù)資料
型號(hào)： UDA1350ATS
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： IEC 958 audio DAC
中文描述： SPECIALTY CONSUMER CIRCUIT, PDSO28
封裝： PLASTIC, SSOP-28
文件頁(yè)數(shù)： 21/32頁(yè)
文件大?。?/td> 124K
代理商： UDA1350ATS
2000 Mar 29
21
Philips Semiconductors
Preliminary specification
IEC 958 audio DAC
UDA1350ATS
Notes
1.
2.
All supply pins V
DD
and V
SS
must be connected to the same external power supply unit.
When the DAC must drive a higher capacitive load (above 50 pF), then a series resistor of 100
must be used in
order to prevent oscillations in the output stage of the operational amplifier.
The output voltage of the DAC is proportional to the DAC power supply voltage.
3.
Digital input pins
V
IH
V
IL
V
hys(RESET)
HIGH-level input voltage
LOW-level input voltage
hysteresis voltage on
pin RESET
input leakage current
input capacitance
internal pull-up resistance
internal pull-down resistance
0.8V
DD
0.5
0.8
V
DD
+ 0.5 V
+0.2V
DD
V
V
I
LI
C
i
R
pu(int)
R
pd(int)
Digital output pins
16
16
33
33
10
10
78
78
μ
A
pF
k
k
V
OH
V
OL
I
L(max)
Digital-to-analog converter;
note 2
HIGH-level output voltage
LOW-level output voltage
maximum load current
I
OH
=
2 mA
I
OL
= 2 mA
0.85V
DD
3
0.4
V
V
mA
V
ref
reference voltage
measured with respect to
V
SSA
note 3
f
i
= 1.0 kHz tone
at 0 dB
at
40 dB; A-weighted
f
i
= 1.0 kHz tone; code = 0;
A-weighted
f
i
= 1.0 kHz tone
f
i
= 1.0 kHz tone
0.45V
DDA
0.50V
DDA
0.55V
DDA
V
V
o(rms)
(THD + N)/S total harmonic
output voltage (RMS value)
900
mV
distortion-plus-noise to signal
ratio
95
90
60
100
85
55
dB
dB
dB
S/N
signal-to-noise ratio
α
cs
V
o
IEC 958 input
channel separation
unbalance of output voltages
96
0.1
0.4
dB
dB
V
i(p-p)
AC input voltage (peak-to-peak
value)
input resistance
hysteresis voltage
0.2
0.5
3.3
V
R
i
V
hys
6
40
k
mV
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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