UBA1702A datasheet(13/24 Pages) PHILIPS

13 / 24 page

1997 Sep 29

Philips Semiconductors

Product speciﬁcation

Line interrupter driver and ringer

UBA1702; UBA1702A

Ringer part

PROTECTION (PIN RPI)

ISS

current consumption

RV2 = 0; RV1 = 0;

RV0 = 0

−−850 −µA

IRPI(max)

maximum input current

−−

VRPI

voltage limit referenced to VEE

−

VRPId

voltage limit in DMO or NSA mode

referenced to VEE

IRPI =30mA;

MSI = HIGH

−

2.1

−

Z

RPI

AC input impedance referenced to VEE

f = 0.3 to 3.4 kHz;

VRPI < 1.5 V (RMS)

100

220

−

Ω

RINGER THRESHOLD AND FREQUENCY DETECTION (PINS VRR,RTA AND RFO)

VRRth

ringer supply threshold voltage

referenced to VSS

RTA open-circuit;

−

VRRhys

ringer threshold hysteresis voltage

−

6.5

−

VRPIhys

ringer frequency detection hysteresis

voltage referenced to VEE

RFO = HIGH

−

VRR

−

RFO = LOW

−

VDD

−

IOH

HIGH-level output current (pin RFO)

VRFO =VDD − 0.5 V

−−

−100

µA

IOL

LOW-level output current (pin RFO)

VRFO =VSS + 0.5 V

100

−−

µA

VOLUME CONTROL (PINS RV0, RV1 AND RV2)

∆G

gain adjustment range

(RV2, RV1, RV0) from

(0, 0, 0) to (1 ,1, 0);

note 2

−

∆Gs

step resolution

(RV2, RV1, RV0) from

(0, 0, 0) to (1, 1, 0);

note 2

−

∆G

last step resolution

(RV2, RV1, RV0) from

(1, 1, 0) to (1, 1, 1);

note 3

−

9.5

VIH

HIGH-level input voltage (pins RVx)

0.7VDD

−

VDD

VIL

LOW-level input voltage (pins RVx)

VSS

−

0.3VDD

IIH

HIGH-level input current (pins RVx)

VRVx = HIGH

−

µA

IIL

LOW-level input current (pins RVx)

VRVx = LOW

−

µA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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