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參數資料
| 型號： | UBA2051AT |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | One-chip telephone ICs with speech, dialler and ringer functions |
| 中文描述： | TELEPHONE MULTIFUNCTION CKT, PDSO28 |
| 封裝： | PLASTIC, SOT-136, SO-28 |
| 文件頁數： | 33/52頁 |
| 文件大?。?/td> | 292K |
| 代理商： | UBA2051AT |
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2000 May 19
33
Philips Semiconductors
Product specification
One-chip telephone ICs with speech,
dialler and ringer functions
UBA2050(A); UBA2051(A;C)
CHARACTERISTICS
I
line
= 15 mA; GND = 0 V; R
SLPE
= 20
; pin AGC connected to GND; Z
line
= 600
; f = 1 kHz; f
xtal
= 3.579545 MHz;
T
amb
= 25
°
C; measured according to the test circuits of Figs 32, 33 and 34; see also Figs 37 and 38; unless otherwise
specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
L
INE INTERFACE
(
PIN
LN)
I
line
line current operating range
normal operation
reduced performance
11
1
3.9
4.15
140
11
4.4
mA
mA
V
V
ref
stabilized reference voltage
between pins LN and SLPE
DC line voltage
V
LN
I
line
= 1 mA
I
line
= 4 mA
I
line
= 15 mA
I
line
= 140 mA
external resistor
R
VA
= 44.2 k
(between
pins LN and REG)
T
amb
=
25 to +75
°
C;
referenced to T
amb
= 25
°
C
4.05
1.45
2.0
4.35
7.1
3.6
4.65
7.55
V
V
V
V
V
V
LN(Rext)
DC line voltage with external
resistor
V
LN(T)
DC line voltage variation with
temperature
±
40
mV
I
NTERNAL SUPPLY VOLTAGE
(
PIN
V
CC
)
I
CC
internal current consumption
V
CC
supply voltage for
speech/transmission part and
peripherals
V
CC
= 3.6 V
I
P
= 0 mA
1.25
3.6
1.5
mA
V
R
EGULATED SUPPLY VOLTAGE
(
PIN
V
DD
)
I
SUP
input current of the V
DD
regulator
current from pin LN not
flowing through pin SLPE
I
line
= 1 mA
I
line
= 4 mA
I
line
≥
11 mA
speech mode;
I
DD
=
2.6 mA;
V
LN
> 3.6 V + 0.25 V (typ.);
I
line
≥
11 mA
speech mode at reduced
performance; I
line
= 4 mA
ringer mode; I
line
= 0 mA;
I
DD
= 75 mA
3.0
0
2.15
4.5
3.3
3.6
mA
mA
mA
V
V
DD
regulated supply voltage
V
LN
0.35
V
3.0
3.3
3.6
V
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