tea1099h NXP Semiconductors, tea1099h Datasheet - Page 30

• Manufacturer Part Number: tea1099h
• Description: Speech And Handsfree Ic With Auxiliary Inputs/outputs And Analog Multiplexer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1999 Apr 08
TX
Preamplifiers
G
G
Logarithmic compressor and sensitivity adjustment
Signal envelope detectors
I
I
Noise envelope detectors
I
I
D
V
TX
V
source(ENV)
sink(ENV)
source(NOI)
sink(NOI)
V
V
V
V
HFRX(th)(rms)
TXIN(th)(rms)
IAL TONE DETECTOR
Speech and handsfree IC with auxiliary
inputs/outputs and analog multiplexer
v(TSEN)
v(RSEN)
SYMBOL
det(TSEN)
det(RSEN)
ENV
NOI
AND
LEVEL LIMITER
RX
ENVELOPE AND NOISE DETECTORS
voltage gain from pin TXIN to
TSEN
voltage gain from pin HFRX to
RSEN
sensitivity detection on pin TSEN;
voltage change on pin TENV
when doubling the current from
TSEN
sensitivity detection on pin RSEN;
voltage change on pin RENV
when doubling the current from
RSEN
maximum current sourced from
pin TENV or RENV
maximum current sunk by pin
TENV or RENV
voltage difference between pins
RENV and TENV
maximum current sourced from
pin TNOI or RNOI
maximum current sunk by pin
TNOI or RNOI
voltage difference between pins
RNOI and TNOI
threshold level at pin HFRX
(RMS value)
threshold level at pin TXIN
(RMS value)
PARAMETER
(
PINS
TSEN, TENV, TNOI, RSEN, RENV
I
I
when 10 A is sourced
from both RSEN and
TSEN; signal detectors
tracking; note 2
dial tone detector or TX
level limiter not activated
when 5 A is sourced
from both RSEN and
TSEN; noise detectors
tracking; note 2
R
R
TSEN
RSEN
RSEN
TSEN
30
CONDITIONS
= 0.8 to 160 A
= 0.8 to 160 A
= 10 k
= 10 k
0.75
MIN.
1.25
AND
40
0
18
18
120
1
25
0.75
1
3
120
3
TYP.
RNOI)
Product specification
TEA1099H
1.25
0.75
MAX.
dB
dB
mV
mV
mV
mV
mV
mV
UNIT
A
A
A
A