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參數(shù)資料
| 型號： | 935264471557 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | TELEPHONE SPEECH CKT, PQFP44 |
| 封裝： | PLASTIC, SOT-307, QFP-44 |
| 文件頁數(shù)： | 13/39頁 |
| 文件大?。?/td> | 205K |
| 代理商： | 935264471557 |
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1999 Apr 08
20
Philips Semiconductors
Product specication
Speech and loudspeaker amplier IC with
auxiliary inputs/outputs and analog multiplexer
TEA1097
SUPPLY FOR PERIPHERALS (PIN VDD)
VDD
regulated supply voltage on VDD
VBB > 3.35 V + 0.25 V
(typ.)
3.1
3.35
3.6
V
otherwise
VBB 0.25
V
DD(T)
regulated voltage variation with
temperature referenced to 25
°C
Tamb = 25 to +75 °C;
VBB > 3.35 V + 0.25 V
(typ.)
±30
mV
IDD
current consumption on VDD
in trickle mode;
Iline = 0 mA;
VDD = 1.5 V;
VBB discharging
15
150
nA
VDD > 3.35 V
60
100
A
IDD(o)
current available for peripherals
VDD = 3.35 V
3mA
SUPPLY FOR MICROPHONE (PIN MICS)
VMICS
supply voltage for a microphone
2
V
IMICS
current available on MICS
1mA
POWER-DOWN INPUT (PIN PD)
VIL
LOW-level input voltage
0.4
+0.3
V
VIH
HIGH-level input voltage
1.8
VBB + 0.4 V
Ii(pd)
input current
3
6
A
IBB(pd)
current consumption on VBB
during power-down phase
PD = LOW;
AUXC = LOW
460
A
RINGER MODE (PINS PD, AUXC, HFRX AND LSAO)
Ii(ESI)
input current on pin ESI
PD = LOW;
AUXC = HIGH;
VESI = 3.5 V
3.1
mA
Gv(HFRX-LSAO)
voltage gain from pin HFRX to
LSAO
PD = LOW;
AUXC = HIGH;
VESI = 3.5 V
VHFRX = 20 mV (RMS);
RGALS = 255 k
28
dB
Preamplier inputs (pins MIC+, MIC
, IR, DTMF, TXIN, HFTX, HFRX, TXAUX and RAUX)
Zi(MIC)
input impedance
differential between
pins MIC+ and MIC
70
k
single-ended between
pins MIC+/MIC
and GNDTX
35
k
Z
i(IR)
input impedance between pins
IR and LN
20
k
Z
i(DTMF)
input impedance between pins
DTMF and GND
20
k
Zi(TXIN)
input impedance between pins
TXIN and GNDTX
20
k
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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