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參數(shù)資料
| 型號(hào)： | TEA1099H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Speech and handsfree IC with auxiliary inputs/outputs and analog multiplexer |
| 中文描述： | TELEPHONE SPEECH CKT, PQFP44 |
| 封裝： | 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, QFP-44 |
| 文件頁數(shù)： | 28/40頁 |
| 文件大?。?/td> | 185K |
| 代理商： | TEA1099H |
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1999 Apr 08
28
Philips Semiconductors
Product specification
Speech and handsfree IC with auxiliary
inputs/outputs and analog multiplexer
TEA1099H
Logic inputs (pins HFC, AUXC, MUTT and MUTR)
V
IL
V
IH
I
LOW-level input voltage
HIGH-level input voltage
input current
for pins HFC and AUXC
for pins MUTT and MUTR
0.4
1.8
0.3
V
BB
+ 0.4
V
V
V
BB
= 3 V
3
2.5
6
6
μ
A
μ
A
Handsfree
HF
MICROPHONE AMPLIFIER
(
PINS
TXIN, TXOUT
AND
GATX); note 1
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
= 8 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)
HFC = HIGH;
MUTT = LOW;
MUTR = LOW;
AUXC = LOW
60
80
dB
HF
LOUDSPEAKER AMPLIFIER
(
PINS
HFRX, LSAO, GALS
AND
VOL); note 1
G
v(HFRX-LSAO)
voltage gain from pin HFRX to
LSAO
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 k
V
HFRX
= 20 mV (RMS);
R
GALS
= 255 k
25.5
28
30.5
dB
G
v
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
I
line
= 70 mA
R
GALS
= 33 k
; for 2%
THD in the input stage
psophometrically
weighted (p53 curve)
3
dB
V
HFRX(rms)(max)
maximum input voltage at pin
HFRX (RMS value)
580
mV
V
no(LSAO)(rms)
noise output voltage at pin LSAO;
pin HFRX is open circuit
(RMS value)
79
dBVp
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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