U4092B Datasheet, PDF (16/32 Pages) TEMIC Semiconductors – Monolithic Integrated Feature Phone Circuit

U4092
TELEFUNKEN Semiconductors
Parameters
Test conditions / Pin Symbol Min. Typ. Max.
Gain at low operating current
I_L = 10 mA
II_MMP==3100mmAA
VRD_{GECN==6586k0W}mV
G_R
–8
–7
–6
AC impedance
Distortion at low operating
current
V_IMPSEL = GND
V_IMPSEL = V_MP
I_L = 10 mA
I_MP = 1 mA
RVD^GEC^N==6586k0W^mV
Z_imp
570 600 640
Z_imp
840 900 960
dR
5
Speaker amplifier
Minimum line current for No ac signal
I_Lmin
15
operation
Input resistance
Pin 24
14
22
Gain from SAI to SAO
V_SAI = 3 mV,
I_L = 15 mA,
RGSA = 560
kW
RGSA = 20 kW
G_SA
35.5 36.5 37.5
–3
Output power
Load resistance
R_L = 50 W, d < 5%
V_SAI = 20 mV
I_L = 15 mA
I_L = 20 mA
P_SA
3
P_SA
Output noise (Input SAI
open) psophometrically
weighted
Gain deviation
Mute suppression
Gain change with current
I_L > 15 mA
n_SA
I_L = 15 mA
T_amb = – 10 to + 60°C
I_L = 15 mA,
V_L = 0 dBm,
V_SAI = 4 mV
Pin 23 open
I_L = 15 to 100 mA
DG_SA
VSAO
DG_SA
Resistor for turning off
speaker amplifier
Gain change with frequency
I_L = 15 to 100 mA
I_L = 15 mA
f = 300 to 3400 Hz
RG_SA
0.8
DG_SA
Attack time of anti-clipping 20 dB over drive
tr
7
20
200
"1
– 60
"1
1.3
2
" 0.5
5
Release time of anti-clipping
tf
80
DTMF-amplifier
Test conditions: IMP = 2 mA, IM = 0.3 mA, V_MUTX = VMP
Adjustment range of DTMF I_L = 15 mA
G_D
40
50
gain
Mute active
DTMF amplification
Gain deviaton
I_L = 15 mA,
G_D
VDTMF = 8 mV
Mute active:
MUTX = VMP
I_L = 15 mA
G_D
T_amb = – 10 to + 60°C
40.7 41.7 42.7
" 0.5
Unit
dB
W
W
%
mA
kW
dB
mW
mV_psoph
dB
dBm
dB
MW
dB
ms
ms
dB
dB
dB
Figure
23
23
23
27
27
27
27
27
27
27
27
27
27
27
27
25
25
25
16
Preliminary Information
Rev. A1: 24.01.1995