參數(shù)資料
型號(hào)： 935260687118
廠商： NXP SEMICONDUCTORS
元件分類： 無(wú)繩電話/電話
英文描述： TELEPHONE MULTIFUNCTION CKT, PDSO28
封裝： PLASTIC, SOT-136, SO-28
文件頁(yè)數(shù)： 25/56頁(yè)
文件大?。?/td> 360K
代理商： 935260687118
2000 May 19
31
Philips Semiconductors
Product specication
One-chip telephone ICs with speech,
dialler and ringer functions
UBA2050(A); UBA2051(A;C)
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
Notes
1. Calculated for Tamb =75 °C and Tj = 125 °C.
2. Mostly dependent on the maximum required ambient temperature and on the voltage between pins LN and SLPE
(see Fig.31).
THERMAL CHARACTERISTICS
Note
1. Mounted on glass epoxy board 28.5
× 19.1 × 1.5 mm.
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
Ptot
total power dissipation
RSLPE =20 ;
note 1
625
mW
Tamb
ambient temperature
25
+75
°C
Tstg
storage temperature
40
+125
°C
Tj
junction temperature
125
°C
Speech/transmission part
VLN
positive continuous voltage on pin LN
GND
0.4 12
V
VLN(R)
repetitive voltage on pin LN during switch-on
or line interruption
GND
0.4 13.2
V
ILN
line current
RSLPE =20 ;
note 2
140
mA
VCC
supply voltage for the speech/transmission
part and peripherals
GND
0.4 12
V
VDD
stabilized supply voltage for the dialler and
ringer parts
IDD ≤ 75 mA
GND
0.4 3.6
V
IDD
input current at pin VDD for the dialler and
ringer parts
Iline =0mA
75
mA
Vn
voltage on pins SLPE, IR, REG, AGC, DTMF,
RX, QR, GAR, MIC+ and MIC
GND
0.4 VCC + 0.4 V
Dialler and ringer parts
Vn
voltage on pins 8 to 21
GND
0.4 VDD + 0.4 V
In
DC sink/source current for pins 8 to 21
10
+10
mA
SYMBOL
PARAMETER
CONDITIONS
VALUE
UNIT
Rth(j-a)
thermal resistance from junction to ambient
in free air; note 1
70
K/W
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