tea1094t NXP Semiconductors, tea1094t Datasheet - Page 15

• Manufacturer Part Number: tea1094t
• Description: Hands Free Ic
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1996 Jul 15
T
V
V
I
Loudspeaker channel (RIN1, RIN2, GAR, LSP and DLC/MUTER)
L
G
V
V
CMRR
O
V
I
Z
MUTET
OM
SYMBOL
OUDSPEAKER AMPLIFIER
RANSMIT MUTE INPUT
G
G
G
G
G
IL
IH
RIN(rms)
norx(rms)
OSE(p-p)
Hands free IC
vrx
UTPUT CAPABILITY
i
vtxm
vrxr
vrxT
vrxf
vrxv
LOW level input voltage
HIGH level input voltage
input current
voltage gain reduction with
MUTET active
input impedance
voltage gain in receive mode;
between RIN1 and RIN2 to LSP
voltage gain adjustment with R
voltage gain variation with
temperature referenced to 25 C
voltage gain variation with
frequency referenced to 1 kHz
maximum input voltage between
RIN1 and RIN2 (RMS value)
noise output voltage at pin LSP
(RMS value)
common mode rejection ratio
voltage gain variation related to
output voltage
(peak-to-peak value)
maximum output current at LSP
(peak value)
R
VOL
= 950
MUTET
PARAMETER
GAR
MUTET = HIGH
MUTET = HIGH
between pins RIN1 or RIN2
and GND
between pins RIN1 and
RIN2
V
V
T
V
f = 300 to 3400 Hz
R
THD in input stage
inputs RIN1 and RIN2
short-circuited through
200
psophometrically weighted
(P53 curve)
when total attenuation does
not exceed the switching
range
V
note 1
V
R
V
amb
RIN
RIN
RIN
RIN
RIN
BB
GAR
GAR
= 9.0 V; note 2
= 20 mV (RMS)
= 20 mV (RMS);
= 20 mV (RMS);
= 300 mV (RMS);
= 150 mV (RMS);
= 25 to +75 C
= 11.8 k ; for 2%
= 374 k ; R
CONDITIONS
in series with 10 F;
15
L
= 33 ;
V
1.5
17
34
16
3.5
150
18.5
GND
MIN.
TEA1094; TEA1094A
0.4
2.5
80
20
40
18.5
390
80
50
3
4.5
7.5
500
TYP.
0.3
0.3
Product specification
0.3
V
5
23
46
21
+14.5
BB
MAX.
+ 0.4 V
V
dB
k
k
dB
dB
dB
dB
mV
dB
dB
V
V
mA
UNIT
A
V