參數(shù)資料
型號(hào): UDA1340
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(hào)處理功能
文件頁數(shù): 16/24頁
文件大?。?/td> 154K
代理商: UDA1340
1997 Jul 09
16
Philips Semiconductors
Preliminary specification
Low-voltage low-power stereo audio
CODEC with DSP features
UDA1340
AC CHARACTERISTICS (ANALOG)
V
DDD
= V
DDA
= V
DDO
= 3 V; f
i
= 1 kHz; T
amb
= 25
°
C; R
L
= 5 k
all voltages referenced to ground
(pins 1, 11, 22 and 27); unless otherwise specified
.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Analog-to-digital converter
V
i(rms)
V
i
(THD + N)/S
input voltage (RMS value)
unbalance between channels
total harmonic distortion plus
noise-to-signal ratio
0.8
0.1
85
35
95
100
30
80
30
V
dB
dB
dBA
dBA
dB
dB
at 0 dB
at
60 dB; A-weighted
V
i
= 0 V; A-weighted
S/N
α
CS
PSRR
signal-to-noise ratio
channel separation
power supply rejection ratio
f
ripple
= 1 kHz;
V
ripple(p-p)
= 30 mV
Digital-to-analog converter
V
o(rms)
V
o
(THD + N)/S
output voltage (RMS value)
unbalance between channels
total harmonic distortion plus
noise-to-signal ratio
0.8
0.1
85
35
100
80
50
80
V
dB
dB
dBA
dBA
dB
dB
at 0 dB
at
60 dB; A-weighted
code = 0; A-weighted
S/N
α
cs
PSRR
signal-to-noise ratio
channel separation
power supply rejection ratio
f
ripple
= 1 kHz;
V
ripple(p-p)
= 100 mV
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