參數(shù)資料
型號(hào): TEA1098H
廠商: NXP SEMICONDUCTORS
元件分類: 無繩電話/電話
英文描述: Speech and handsfree IC
中文描述: TELEPHONE SPEECH CKT, PQFP44
封裝: PLASTIC, SOT-307, QFP-44
文件頁數(shù): 25/40頁
文件大?。?/td> 199K
代理商: TEA1098H
1999 Oct 14
25
Philips Semiconductors
Product specification
Speech and handsfree IC
TEA1098
Automatic Gain Control (pin AGC)
G
v(trx)
gain control range for transmit
and receive amplifiers affected
by the AGC; with respect to
I
line
= 15 mA
I
start
highest line current for maximum
gain
I
stop
lowest line current for maximum
gain
I
line
= 70 mA; G
v(MIC-LN)
;
G
v(IR-RECO)
I
line
= 70 mA for G
v(HFTX-LN)
5.8
5.45
6.45
7.45
dB
6.8
7.8
dB
23
mA
57
mA
Logic inputs (pins HFC and MUTE)
V
IL
V
IH
I
i
LOW-level input voltage
HIGH-level input voltage
input current
for pin HFC
for pin MUTE
0.4
1.8
+0.3
V
BB
+ 0.4 V
V
V
BB
= 3.0 V
3
3
6
12
μ
A
μ
A
Handsfree mode (HFC = HIGH)
HF
MICROPHONE AMPLIFIER
(
PINS
TXIN, TXOUT
AND
GATX)
G
v(TXIN-TXOUT)
voltage gain from pin TXIN to
TXOUT
voltage gain adjustment with
R
GATX
gain variation with frequency
referenced to 1 kHz
gain variation with temperature
referenced to 25
°
C
noise output voltage at pin
TXOUT; pin TXIN is shorted
through 200
in series with
10
μ
F to GNDTX (RMS value)
gain reduction if not activated
V
TXIN
= 3 mV (RMS);
R
GATX
= 30.1 k
12.7
15.2
17.7
dB
G
v
15
+16
dB
G
v(f)
f = 300 to 3400 Hz
±
0.1
dB
G
v(T)
T
amb
=
25 to +75
°
C
±
0.15
dB
V
no(TXOUT)(rms)
psophometrically weighted
(p53 curve)
101
dBmp
G
v(mute)
HF
LOUDSPEAKER AMPLIFIER
(
PINS
HFRX, LSAO, GALS
AND
VOL)
see Table 2
60
80
dB
G
v(HFRX-LSAO)
voltage gain from pin HFRX to
LSAO
V
HFRX
= 30 mV (RMS);
R
GALS
= 255 k
;
I
line
= 70 mA
25.5
28
30.5
dB
G
v
voltage gain adjustment with
R
GALS
gain variation with frequency
referenced to 1 kHz
gain variation with temperature
referenced to 25
°
C
voltage gain variation related to
R
VOL
= 1.9 kW
28
+7
dB
G
v(f)
f = 300 to 3400 Hz
±
0.3
dB
G
v(T)
T
amb
=
25 to +75
°
C
±
0.3
dB
G
v(vol)
when total attenuation
does not exceed the
switching range
3
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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TEA1098TV 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Speech and handsfree IC
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