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參數(shù)資料
| 型號(hào)： | 935260690118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | TELEPHONE MULTIFUNCTION CKT, PDSO28 |
| 封裝： | PLASTIC, SOT-136, SO-28 |
| 文件頁數(shù)： | 34/56頁 |
| 文件大小： | 360K |
| 代理商： | 935260690118 |
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2000 May 19
4
Philips Semiconductors
Product specication
One-chip telephone ICs with speech,
dialler and ringer functions
UBA2050(A); UBA2051(A;C)
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Speech/transmission part
Iline
line current operating range
normal operation
11
140
mA
with reduced performance
1
11
mA
VLN
DC line voltage
Iline = 15 mA
4.05
4.35
4.65
V
ICC
internal current consumption
VCC = 3.6 V
1.25
1.5
mA
VCC
supply voltage for internal circuitry
(unregulated)
IP =0mA
3.6
V
VDD
regulated supply voltage for peripherals
speech mode;
IDD = 2.6 mA
3.0
3.3
3.6
V
ringer mode; IDD = 75 mA
3.0
3.3
3.6
V
IDD
available supply current for peripherals
2.6
mA
Gv(TX)
typical voltage gain for microphone
amplier
VMIC = 4 mV (RMS)
43.2
44.2
45.2
dB
Gv(RX)
typical voltage gain for receiving amplier
VIR = 4 mV (RMS)
32.4
33.4
34.4
dB
G
v(QR)
gain setting range for earpiece amplier
RE1 = 100 k14
+12
dB
G
v(trx)
gain control range for microphone and
receive ampliers
Iline = 85 mA; referenced to
Iline =15mA
6.0
dB
G
v(trx)(m)
gain reduction for microphone and receive
ampliers
in DTMF mode
80
dB
Dialler part
VHG(LN)(rms) high group frequency voltage (RMS value)
on line
RDTMF1 =20k;
RDTMF2 = 2.74 k
353
435
536
mV
VLG(LN)(rms)
low group frequency voltage (RMS value)
on line
RDTMF1 =20k;
RDTMF2 = 2.74 k
277
341
420
mV
GV
pre-emphasis of group
1.5
2.0
2.5
dB
THD
total harmonic distortion
25
dB
Ringer part
fring
ringer detection frequency
13
Hz
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