TEA1098 Philips Semiconductors, TEA1098 Datasheet - Page 24

• Manufacturer Part Number: TEA1098
• Description: Speech and handsfree IC
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1999 Oct 14
G
TX
G
THD
V
V
RX amplifiers
RX
G
V
V
V
RX
V
V
G
G
G
G
G
G
G
HFTX(rms)
no(LN)
IR(rms)(max)
RECO(rms)(max)
no(RECO)(rms)
QR(rms)(max)
no(QR)(rms)
Speech and handsfree IC
v(DTMF-RECO)
v(HFTX-LN)
v(IR-RECO)
SYMBOL
v(f)
v(T)
v(mute)
v(f)
v(T)
v(mute)
v(RECO-QR)
AMPLIFIER USING
AMPLIFIERS USING
EARPIECE AMPLIFIER
voltage gain from pin DTMF to
RECO
voltage gain from pin HFTX to
LN
gain variation with frequency
referenced to 1 kHz
gain variation with temperature
referenced to 25 C
total harmonic distortion at LN
maximum input voltage at HFTX
(RMS value)
noise output voltage at pin LN;
pin HFTX shorted to GND
through 200
10 F
gain reduction if not activated
voltage gain from pin IR
(referenced to LN) to RECO
gain variation with frequency
referenced to 1 kHz
gain variation with temperature
referenced to 25 C
maximum input voltage on IR
(referenced to LN) (RMS value)
maximum output voltage on
RECO (RMS value)
noise output voltage at pin
RECO; pin IR is an open-circuit
(RMS value)
gain reduction if not activated
gain voltage range between pins
RECO and QR
maximum output voltage on QR
(RMS value)
noise output voltage at pin QR;
pin IR is an open-circuit
(RMS value)
HFTX (
IR (
(
PINS
PINS
PARAMETER
PINS
GARX
IR
in series with
HFTX
AND
AND
RECO)
AND
QR)
LN)
V
V
f = 300 to 3400 Hz
T
V
I
psophometrically weighted
(p53 curve)
see Table 2
V
f = 300 to 3400 Hz
T
I
THD = 2%
psophometrically weighted
(p53 curve)
see Table 2
sine wave drive;
R
G
psophometrically weighted
(p53 curve)
line
line
amb
amb
DTMF
HFTX
LN
IR
L
v(QR)
= 150 ; THD < 2%
= 70 mA; THD = 2%
= 8 mV (RMS)
= 70 mA; THD = 2%
= 1.4 V (RMS)
= 25 to +75 C
= 25 to +75 C
24
CONDITIONS
= 15 mV (RMS)
= 50 mV (RMS)
= 0 dB;
33.5
60
28.7
0.75
60
0.75
MIN.
3
34.7
95
80
29.7
50
0.9
80
0.9
16.5
0.25
0.25
77.5
0.25
0.3
88
88
TYP.
Product specification
35.9
2
30.7
+15
TEA1098
MAX.
dB
dB
dB
dB
%
mV
dBmp
dB
dB
dB
dB
mV
V
dBVp
dB
dB
V
dBVp
UNIT