TEA1098AH Просмотр технического описания (PDF) - Philips Electronics
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TEA1098AH Datasheet PDF : 40 Pages
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Philips Semiconductors
Speech and handsfree IC
Preliminary specification
TEA1098A
QUICK REFERENCE DATA
Iline = 15 mA; RSLPE = 20 Ω; Zline = 600 Ω; f = 1 kHz; Tamb = 25 °C; AGC pin connected to LN; PD = HIGH; HFC = LOW;
MUTE = HIGH; BPC = HIGH; measured according to test circuits; unless otherwise specified.
SYMBOL
Iline
VSLPE
VBB
VDD
IBB
IBB(PD)
Gv(MIC-LN)
Gv(IR-RECO)
∆Gv(RECO-EARO)
Gv(TXI-TXO)
Gv(HFTX-LN)
Gv(HFRX-LSAO)
SWR
∆SWR
∆Gv(trx)
PARAMETER
CONDITIONS
line current operating range normal operation
with reduced performance
stabilized voltage between
SLPE and GND
regulated supply voltage for
internal circuitry
regulated supply voltage on
pin VDD
Iline = 15 mA
Iline = 70 mA
Iline = 15 mA
Iline = 70 mA
VBB > 3.35 V + 0.25 V (typ.)
otherwise
current available on pin VBB
in speech mode
in handsfree mode
current consumption on VBB PD = LOW
during power-down phase
voltage gain from pin
MIC+/MIC− to LN
VMIC = 5 mV (RMS)
voltage gain from pin IR
VIR = 15 mV (RMS);
(referenced to LN) to RECO HFC = HIGH
gain voltage range between
pins RECO and EARO
voltage gain from pin TXI to
TXO
voltage gain from pin HFTX
to LN
VTXI = 3 mV (RMS);
RGATX = 30.1 kΩ
VHFTX = 15 mV (RMS)
voltage gain from pin HFRX
to LSAO
switching range
VHFRX = 30 mV (RMS);
RGALS = 255 kΩ;
Iline = 70 mA
switching range adjustment with RSWR referenced to
365 kΩ
gain control range for
transmit and receive
amplifiers affected by the
AGC; with respect to
Iline = 15 mA
Iline = 70 mA
MIN.
11
1
3.4
5.7
2.75
4.9
3.1
−
−
−
−
43.3
28.7
−3
12.7
33.5
25.5
−
−40
5.45
TYP.
−
−
3.7
6.1
3.0
5.3
3.35
VBB − 0.25
11
9
460
44.3
29.7
−
15.2
34.7
28
40
−
6.45
MAX. UNIT
130 mA
11
mA
4.0 V
6.5 V
3.25 V
5.7 V
3.6 V
−
V
−
mA
−
mA
−
µA
45.3 dB
30.7 dB
+15 dB
17.7 dB
35.9 dB
30.5 dB
−
dB
+12 dB
7.45 dB
2000 Mar 21
3
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