PCD6003 datasheet(77/96 Pages) PHILIPS

77 / 96 page

2001 Apr 17

Philips Semiconductors

Product speciﬁcation

Digital telephone answering machine chip

PCD6003

17.2

Supply characteristics

Notes

1. This defines requirements for the external Power-on reset circuit. The exact requirements can be relaxed depending

on the specific application. A hysteresis is required to overcome reset oscillations especially in battery operated

applications.

2. For these parameters, the recommended external components are specified which are supported by the internal

oscillator. This is not measured on a sample-by-sample basis.

SYMBOL

PARAMETER

CONDITIONS/REMARKS

MIN.

TYP.

MAX.

UNIT

VDD3V1

digital supply voltage to pins

VDD3V1

2.25

2.5

2.75

VDD3V2/3

digital supply voltage to pins

VDD3V2 and VDD3V3

voltage must be set equal or higher

than VDD3V1

2.25

3.0

3.3

VDDA

analog supply voltage to pin

VDDA

2.25

2.5

2.75

VDDPLL

analog supply voltage to pin

VDDPLL

2.25

2.5

2.75

IDD(max)

total input current when

recording a message from

PSTN, CAS, line echo

cancellation, listen in on

CODEC2 to all supply pins

PLL on; CODEC1 and CODEC2

active; DSP at 42 MHz; microcontroller

at 21 MHz;

VDD3V1 =VDDA =VDDPLL = 2.75 V;

VDD3V2 =VDD3V3 = 3.30 V; no load

−

VDD3V1 only

−

22.0

−

VDD3V2 only

no load on port pins

−

0.01

−

VDD3V3 only

no load on port pins

−

0.01

−

VDDA only

−

5.0

−

VDDPLL only

−

0.5

−

IDD(POTS)

POTS mode supply current

to all supply pins

PLL off; DSP only generating DTMF

tones; only CODEC1 D/A on;

microcontroller in power-down;

XTAL runs at 3.58 MHz; PMTR2.0 = 1;

CDTR2.0 = 1;

VDD3Vx =VDDA =VDDPLL = 2.25 V;

no load

−

2.6

3.5

IDD(sys-off)

total input current when in

System-off mode

digital-to-analog part of CODEC1 and

CODEC2 switched-off

−

0.17

0.90

POR (Power-on reset)

Vth(H)

POR threshold value HIGH

note 1

−−

2.2

Vth(L)

POR threshold value LOW

note 1

1.8

−−

Vhys

POR hysteresis

note 1

0.08

−−

OSC

CL(xtal1,2)

crystal load capacitances at

XTAL1 and XTAL2 to VSS

3.45 to 13.824 MHz; note 2

−

crystal series resistance

3.58 MHz; note 2

−−

300

Ω

13.824 MHz; note 2

−−

Ω

crystal shunt capacitance

note 2

−−

7pF

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