UBA2050 datasheet(33/52 Pages) PHILIPS

Teilenummer	UBA2050

Bauteilbeschribung	One-chip telephone ICs with speech, dialler and ringer functions

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Hersteller	PHILIPS [NXP Semiconductors]

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33 / 52 page

2000 May 19

33

Philips Semiconductors

Product speciﬁcation

One-chip telephone ICs with speech,

dialler and ringer functions

UBA2050(A); UBA2051(A;C)

CHARACTERISTICS

Iline = 15 mA; GND = 0 V; RSLPE =20 Ω; pin AGC connected to GND; Zline = 600 Ω; f = 1 kHz; fxtal = 3.579545 MHz;

Tamb =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

LINE INTERFACE (PIN LN)

Iline

line current operating range

normal operation

11

−

140

mA

reduced performance

1

−

11

mA

Vref

stabilized reference voltage

between pins LN and SLPE

3.9

4.15

4.4

V

VLN

DC line voltage

Iline =1mA

−

1.45

−

V

Iline =4mA

−

2.0

−

V

Iline = 15 mA

4.05

4.35

4.65

V

Iline = 140 mA

−

7.1

7.55

V

VLN(Rext)

DC line voltage with external

resistor

external resistor

RVA = 44.2 kΩ (between

pins LN and REG)

−

3.6

−

V

∆V

LN(T)

DC line voltage variation with

temperature

Tamb = −25 to +75 °C;

referenced to Tamb =25 °C

−±40

−

mV

INTERNAL SUPPLY VOLTAGE (PIN VCC)

ICC

internal current consumption

VCC = 3.6 V

−

1.25

1.5

mA

VCC

supply voltage for

speech/transmission part and

peripherals

IP =0mA

−

3.6

−

V

REGULATED SUPPLY VOLTAGE (PIN VDD)

ISUP

input current of the VDD

regulator

current from pin LN not

ﬂowing through pin SLPE

Iline =1mA

−

0

−

mA

Iline =4mA

−

2.15

−

mA

Iline ≥ 11 mA

−

4.5

−

mA

VDD

regulated supply voltage

speech mode;

IDD = −2.6 mA;

VLN > 3.6 V + 0.25 V (typ.);

Iline ≥ 11 mA

3.0

3.3

3.6

V

speech mode at reduced

performance; Iline =4mA

−

VLN − 0.35 −

V

ringer mode; Iline = 0 mA;

IDD =75mA

3.0

3.3

3.6

V

Ähnliche Beschreibung - UBA2050

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Integral Corp.	IL3726AN	240Kb / 4P	Universal Speech Circuit with Dialler Interface
Motorola, Inc	MC34012-1	21Kb / 1P	TELEPHONE TONE RINGER
Unisonic Technologies	31002A	193Kb / 5P	TELEPHONE TONE RINGER
KODENSHI_AUK CORP.	KK3726AN	260Kb / 4P	Universal Speech Circuit with Dialler Interface
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