PCA1070P datasheet(21/36 Pages) PHILIPS

21 / 36 page

1997 Jun 20

Philips Semiconductors

Product speciﬁcation

Multistandard programmable analog

CMOS transmission IC

PCA1070

Sending channel: MIC+, MIC

−, DTMF, OMIC, LN, SCR, REG and LSI

MIC+ AND MIC

−: MICROPHONE INPUTS

ZMIC

input impedance

differential

100

−

Ω

single-ended

−

Ω

CMRRMIC

common mode rejection

ratio

note 8

−

VMIC(peak)

allowed input signal

voltage level (peak value)

−−

gain MIC+/MIC

− to LN

39.5

42.5

GM(min)

minimum selectable gain

GMAx = 000100

28.5

31.5

GM(max)

maximum selectable gain

GMAx = 011001

49.5

52.5

GM(step)

step resolution

−

∆G

gain variation with

frequency

at f = 300 Hz and 3400 Hz with

respect to 1 kHz; note 9

−−

+0.3/

−0.7

gain variation with ambient

temperature

at Tamb = −10 to +60 °C with

respect to 25

°C

−±0.2

−

gain variation with line

current

at Iline = 100 mA with respect to

20 mA; note 9

−

±0.5

tACM

AC start-up time

CVDD = 470 µF; note 10

−

150

−

Sending mute/privacy switch

∆GM

reduction of GM

SM=1

−

100

−

DTMF: DUAL TONE MULTI-FREQUENCY INPUT

RDTMF

parallel input resistance

SM = 1

100

200

−

Ω

CDTMF

parallel input capacitance

SM = 1

−

GDTMF

gain from DTMF to LN

SM = 1

GDTMF(min)

minimum selectable gain

SM = 1; GMAx = 100101

GDTMF(max)

maximum selectable gain

SM = 1; GMAx = 001111

GDTMF(step)

step resolution

SM = 1

−

∆G

DTMF

gain variation with

frequency

SM = 1; at f = 300 Hz and 3400 Hz

with respect to 1 kHz; note 9

−−

+0.3/

−0.7

gain variation with ambient

temperature

SM = 1; at Tamb = −10 to +60 °C

with respect to 25

°C

−±0.2

−

gain variation with line

current

SM = 1; at Iline = 100 mA with

respect to 20 mA; note 9

−

±0.5

Conﬁdence tone

GCTS

gain from DTMF to

QR+/QR

−;

RM = 1; SM = 1; notes 11 and 12

−−25

−

GCTS(min)

minimum selectable gain

RM = 1; SM = 1; GRAx = 111001

−−40

−

GCTS(max)

maximum selectable gain

RM = 1; SM = 1; GRAx = 100000

−−19

−

GCTS(step)

step resolution

RM = 1; SM = 1

−

0.5 to 1

−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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