參數(shù)資料
型號(hào)： 935262584512
廠(chǎng)商： NXP SEMICONDUCTORS
元件分類(lèi)： 無(wú)繩電話(huà)/電話(huà)
英文描述： TELEPHONE SPEECH CKT, PDSO16
封裝： PLASTIC, SOT-109, SO-16
文件頁(yè)數(shù)： 8/30頁(yè)
文件大?。?/td> 178K
代理商： 935262584512
2000 Feb 18
16
Philips Semiconductors
Product specication
Speech circuit with dialler interface, regulated
supply and earpiece volume control
TEA1111A
LED control (pin LEDC)
Iline(h)
highest line current for
ILEDC <5 A
13
mA
Iline(l)
lowest line current for
maximum ILEDC
82
mA
ILEDC(max)
maximum available output
current from pin LEDC
470
A
Transmit stage (pins MIC+, MIC
and DTMF)
MICROPHONE AMPLIFIER (PINS MIC+ AND MIC
)
Z
i
input impedance
differential between
pins MIC+ and MIC
68
k
single-ended between
pins MIC+/MIC
and VEE
34
k
Gv(TX)
voltage gain from
pins MIC+/MIC
to pin LN
VMIC = 4 mV (RMS)
43.2
44.2
45.2
dB
G
v(TX)(f)
voltage gain variation with
frequency referenced to 1 kHz
f = 300 to 3400 Hz
±0.2
dB
G
v(TX)(T)
voltage gain variation with
temperature referenced to
25
°C
Tamb = 25 to +75 °C
±0.3
dB
CMRR
common mode rejection ratio
80
dB
VLN(max)(rms) maximum sending signal
(RMS value)
Iline = 15 mA; THD = 2%
1.8
2
V
Iline = 4 mA; THD = 10%
0.45
V
Vno(LN)
noise output voltage at pin LN
psophometrically weighted
(P53 curve);
pins MIC+/MIC
short
circuited through 200
77
dBmp
DTMF AMPLIFIER (PIN DTMF)
Zi
input impedance
20
k
Gv(DTMF)
voltage gain from pin DTMF to
pin LN
VDTMF = 20 mV (RMS);
MUTE = LOW
24.9
25.9
26.9
dB
G
v(DTMF)(f)
voltage gain variation with
frequency referenced to 1 kHz
f = 300 to 3400 Hz
±0.2
dB
Gv(DTMF)(T) voltage gain variation with
temperature referenced
to 25
°C
Tamb = 25 to +75 °C
±0.4
dB
Gv(ct)
voltage gain from pin DTMF to
pin QR (condence tone)
VDTMF = 20 mV (RMS);
RL = 150 ;
MUTE = LOW; VVCI =0V
15.6
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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