參數(shù)資料
型號: TEA1093T
廠商: NXP SEMICONDUCTORS
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Hands-free IC
中文描述: SPECIALTY TELECOM CIRCUIT, PDSO28
封裝: 7.50 MM, PLASTIC, SOT-136-1, MS-013AE, SO-28
文件頁數(shù): 17/28頁
文件大?。?/td> 208K
代理商: TEA1093T
1996 Feb 09
17
Philips Semiconductors
Product specification
Hands-free IC
TEA1093
Microphone channel (MIC, GAT, MOUT, MUTET and MICGND)
M
ICROPHONE AMPLIFIER
Z
i
input impedance between pin
MIC and MICGND
voltage gain from pin MIC to
MOUT in transmit mode
voltage gain adjustment with
R
GAT
voltage gain variation with
temperature referenced
to 25
°
C
voltage gain variation with
frequency referenced to 1 kHz
noise output voltage at pin
MOUT
17
20
23
k
G
vtx
V
MIC
= 1 mV (RMS)
12.5
15
17.5
dB
G
vtxr
10
+10
dB
G
vtxT
V
MIC
= 1 mV (RMS);
T
amb
=
25 to +75
°
C
±
0.3
dB
G
vtxf
V
MIC
= 1 mV (RMS);
f = 300 to 3400 Hz
pin MIC connected to
MICGND
through 200
in
series with 10
μ
F;
psophometrically
weighted (P53 curve)
±
0.3
dB
V
notx
100
dBmp
T
RANSMIT MUTE INPUT
MUTET
V
IL
V
IH
I
MUTET
G
vtxm
LOW level input voltage
HIGH level input voltage
input current
voltage gain reduction with
MUTET active
V
GND
0.4 V
1.5
2.5
80
0.3
V
BB
+ 0.4 V
5
V
V
μ
A
dB
MUTET = HIGH
MUTET = HIGH
Loudspeaker channel (RIN1, RIN2, GAR, LSP1, LSP2 and DLC/MUTER)
L
OUDSPEAKER AMPLIFIER
Z
i
input impedance
between pins RIN1 or
RIN2 and GND
between pins RIN1
and RIN2
V
RIN
= 20 mV (RMS)
17
20
23
k
34
40
46
k
G
vrx
voltage gain in receive mode
the difference between RIN1
and RIN2 to the difference
between LSP1 and LSP2,
bridge-tied load
the difference between RIN1
and RIN2 to LSP1 or LSP2,
single-ended load
voltage gain adjustment with
R
GAR
voltage gain variation with
temperature referenced
to 25
°
C
21.5
24
26.5
dB
15.5
18
20.5
dB
G
vrxr
15
+15
dB
G
vrxT
V
RIN
= 20 mV (RMS);
T
amb
= -25 to +75
°
C
±
0.3
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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