參數(shù)資料
型號： 935260607112
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)： 30/56頁
文件大?。?/td> 360K
代理商： 935260607112
2000 May 19
36
Philips Semiconductors
Product specication
One-chip telephone ICs with speech,
dialler and ringer functions
UBA2050(A); UBA2051(A;C)
Automatic gain control (pin AGC)
Gv(trx)
voltage gain control range for
microphone and receive
ampliers
Iline = 85 mA; referenced to
Iline =15mA
6.0
dB
Istart
highest line current for
maximum gain
23
mA
Istop
lowest line current for
minimum gain
59
mA
Oscillator (pin XTAL)
VXTAL
DC voltage level
0.5VDD
V
Re(Zi)
real part of input impedance
of pin XTAL
VXTAL = 100 mV (RMS);
fxtal = 3.57 MHz
6
k
Control inputs (pins CE/CSI and CE/FDI)
VIL
LOW-level input voltage
GND
0.4
0.2VDD
V
VIH
HIGH-level input voltage
0.8VDD
VDD + 0.4 V
ILI
input leakage current
GND < Vi <VDD
500
+500
nA
Keyboard inputs/outputs (pins C1 to C4, R1 to R4); note 2
VIL
LOW-level input voltage
0
0.2VDD
V
VIH
HIGH-level input voltage
0.8VDD
VDD
V
IOL
port sink current LOW
VOL = 0.15 V
0.7
1.6
mA
IOH1
port pull-up source 1 current
HIGH
VOH =VIH(min)
15
35
A
VOL =VIL(max)
70
140
A
IOH2
port pull-up source 2 current
HIGH
VOH =VIH(min)
30
80
nA
VOL =VIL(max)
150
300
nA
Control output (pin DP/FL)
ILI
input leakage current
GND < Vi <VDD
500
+500
nA
IOL
port sink current LOW
Vo = 0.15 V
1
2.5
mA
Control outputs (pins DMO, KT and LED)
IOL
port sink current LOW
Vo = 0.4 V
1.5
4
mA
IOH
port source current HIGH
Vo =VDD 0.15 V
1
2
mA
DTMF/ringer output
TONE GENERATOR (PIN MDY/TONE); note 3
I
o
maximum output current
70
100
A
VHG(rms)
high group frequency voltage
(RMS value)
DTMF mode
181
mV
VLG(rms)
low group frequency voltage
(RMS value)
DTMF mode
142
mV
GV
pre-emphasis of group
1.5
2.0
2.5
dB
VDC
DC voltage level
0.5VDD
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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