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TEA1098A View Datasheet(PDF) - Philips Electronics

Part Name
Description
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TEA1098A
Philips
Philips Electronics Philips
TEA1098A Datasheet PDF : 40 Pages
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Philips Semiconductors
Speech and handsfree IC
Product specification
TEA1098A
SYMBOL
PARAMETER
CONDITIONS
MIN.
TX AMPLIFIER USING HFTX (PINS HFTX AND LN)
Gv(HFTX-LN)
voltage gain from pin
HFTX to LN
VHFTX = 15 mV (RMS)
Gv(f)
gain variation with
f = 300 to 3400 Hz
frequency referenced to
1 kHz
Gv(T)
gain variation with
Tamb = 25 to +75°C
temperature referenced
to 25 °C
THD
total harmonic
distortion at LN
VLN = 1.4 V (RMS)
VHFTX(rms)
maximum input voltage Iline = 70 mA; THD = 2%
at HFTX (RMS value)
Vno(LN)
Gv(m)
noise output voltage at
pin LN; pin HFTX
shorted to GND
through 200 in series
with 10 µF
psophometrically weighted
(p53 curve)
gain reduction when
muted
MUTE = 0; see Table 2
Gv(MIC)(mute)
gain reduction in
MUTE = 1; BPC = 0;
microphone mute mode see Table 2
33.5
60
60
RX amplifiers
RX AMPLIFIERS USING IR (PINS IR AND RECO)
Gv(IR-RECO)(HF)
voltage gain from IR to VIR = 4 mV (RMS); HFC = 1 28.4
RECO (handsfree
mode)
Gv(IR-RECO)(HS)
voltage gain from IR to VIR = 4 mV (RMS); HFC = 0; 16.2
RECO (handset mode) EVCI = 0
Gv(IR-RECO)
digital volume control
adjustment range in
handset mode
VIR = 4 mV (RMS); HFC = 0; 13
EVCI = VDD
Gv(IR-RECO)
digital volume control HFC = 0; per step
adjustment step in
handset mode
Gv(f)
gain variation with
f = 300 to 3400 Hz
frequency referred to
1 kHz
Gv(T)
VIR(max)(rms)
gain variation with
Tamb = 25 to +75 °C
temperature referenced
to 25 °C
maximum input voltage Iline = 70 mA; THD = 2%
on IR (referenced to
LN) (RMS value)
TYP.
34.7
±0.25
±0.35
85
77
80
29.4
17.2
14.5
+4.85
±0.25
±0.3
50
MAX.
35.9
2
30.4
18.2
16
UNIT
dB
dB
dB
%
mV
dBmp
dB
dB
dB
dB
dB
dB
dB
dB
mV
2000 Aug 18
24
 

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