參數(shù)資料
型號： PCF50732
廠商： NXP Semiconductors N.V.
英文描述： Baseband and audio interface for GSM
中文描述： 用于GSM基帶和音頻接口
文件頁數(shù)： 51/64頁
文件大?。?/td> 322K
代理商： PCF50732
1999 May 03
51
Philips Semiconductors
Objective specification
Baseband and audio interface for GSM
PCF50732
Notes
1.
2.
Psophometrical weighting: a frequency weighting curve described in “ITU recommendation O.41”
The unit dBmp: 0 dBmp refers to a voltage of a signal of 1 mW across a 600
load. The suffix ‘p’ refers to
psophometrical weighting.
SINAD
EAR
signal-to-noise and
distortion ratio from ASI
to earphone
psophometrically weighted
(1)
at 3 dBm0 input signal level
at 0 dBm0 input signal level
at
10 dBm output signal level 45
at
20 dBm output signal level 42
at
30 dBm output signal level 40
at
40 dBm output signal level 30
at
45 dBm output signal level 25
applying a 100 mV (p-p)/217 Hz
sine wave on top of the analog
power supply
30
35
dB
dB
dB
dB
dB
dB
dB
dB
PSRR
EAR
power supply ripple
rejection at
EARP/EARN
70
Auxiliary output: AUXSP
V
ref(AUXSP)
V
o(AUXSP)
DC reference level
output voltage
V
ref
V
ref
±
1
V
V
load: 16
with 47
μ
F in series
to ground
load: 8
with 100
μ
F in series
to ground
load: 16
with 47
μ
F in series to
ground
load: 16
with 47
μ
F in series
to ground; GRAN
VOL
=
12 dB
V
ref
±
0.77
V
I
o(AUXSP)peak
output source/sink
current
nominal gain from ASI
to AUXSP
62.5
mA
GAIN
AUXSP
19
18
17
dB
Buzzer output: BUZ
V
ref(BUZ)
V
o(BUZ)
I
o(BUZ)peak
DC reference level
output voltage
output source/sink
current
nominal gain from ASI
to BUZ
V
ref
V
ref
0.77
100
V
V
mA
load: 8
with 100
μ
F in series
to ground
GAIN
BUZ
load: 8
with 100
μ
F in series
to ground; GRAN
VOL
=
12 dB
19
18
17
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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