tea1111auh NXP Semiconductors, tea1111auh Datasheet - Page 16

• Manufacturer Part Number: tea1111auh
• Description: Speech Circuit With Dialler Interface, Regulated Supply And Earpiece Volume Control
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2000 Feb 18
LED control (pin LEDC)
I
I
I
Transmit stage (pins MIC+, MIC and DTMF)
M
G
CMRR
V
V
DTMF
G
G
line(h)
line(l)
LEDC(max)
Z
Z
SYMBOL
G
G
G
G
LN(max)(rms)
no(LN)
Speech circuit with dialler interface, regulated
supply and earpiece volume control
v(TX)
v(DTMF)
v(ct)
ICROPHONE AMPLIFIER
i
i
v(TX)(f)
v(TX)(T)
v(DTMF)(f)
v(DTMF)(T)
AMPLIFIER
highest line current for
I
lowest line current for
maximum I
maximum available output
current from pin LEDC
input impedance
voltage gain from
pins MIC+/MIC to pin LN
voltage gain variation with
frequency referenced to 1 kHz
voltage gain variation with
temperature referenced to
25 C
common mode rejection ratio
maximum sending signal
(RMS value)
noise output voltage at pin LN
input impedance
voltage gain from pin DTMF to
pin LN
voltage gain variation with
frequency referenced to 1 kHz
voltage gain variation with
temperature referenced
to 25 C
voltage gain from pin DTMF to
pin QR (confidence tone)
LEDC
differential between
pins MIC+ and MIC
single-ended between
pins MIC+/MIC and V
(
PIN
< 5 A
DTMF)
PARAMETER
(
PINS
LEDC
MIC+
AND
EE
MIC )
V
f = 300 to 3400 Hz
T
I
I
psophometrically weighted
(P53 curve);
pins MIC+/MIC short
circuited through 200
V
MUTE = LOW
f = 300 to 3400 Hz
T
V
R
MUTE = LOW; V
line
line
amb
amb
MIC
DTMF
DTMF
L
= 150 ;
= 15 mA; THD = 2%
= 4 mA; THD = 10%
= 4 mV (RMS)
= 25 to +75 C
= 25 to +75 C
CONDITIONS
= 20 mV (RMS);
= 20 mV (RMS);
16
VCI
= 0 V
43.2
1.8
24.9
MIN.
13
82
470
68
34
44.2
80
2
0.45
20
25.9
0.2
0.3
77
0.2
0.4
15.6
TYP.
Product specification
TEA1111A
45.2
26.9
MAX.
mA
mA
k
k
dB
dB
dB
dB
V
V
dBmp
k
dB
dB
dB
dB
UNIT
A