 English |
|
|
|
|
|
|
|
| U4089B Datasheet, PDF (12/25 Pages) ATMEL Corporation – MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT | |||
| |||
| ◁ |
Electrical Characteristics (Continued)
f = 1 kHz, 0 dBm = 775 mVrms, IM = 0.3 mA, IMP = 2 mA, RDC = 130 kW, Tamb = 25°C, RGSA = 560 kW,
Zear = 68 nF + 100 W, ZM = 68 nF, Pin 20 open, VMUTX = GND, unless otherwise specified.
Parameters
Test Conditions
Pin
Symbol
Min.
Gain at low operating current
IL = 10 mA
IMP = 1 mA
IM = 300 µA
VGEN = 560 mV
RDC = 68 kW
GR
-8
IL = 10 mA
Distortion at low operating
current
IMP = 1 mA
VGEN = 560 mV
dR
RDC = 68 kW
Speaker Amplifier
Minimum line current for
operation
No AC signal
ILmin
Input resistance
24
14
Gain from SAI to SAO
VSAI = 3 mV,
IL = 15 mA,
RGSA = 560 kW
RGSA = 20 kW
GSA
35.5
Output power
Output noise (input SAI
open) psopho-metrically
weighted
Load resistance
RL = 50 W, d < 5%
VSAI = 20 mV
IL = 15 mA
IL = 20 mA
IL > 15 mA
PSA
3
PSA
nSA
Gain deviation
Mute suppression
IL = 15 mA
Tamb = -10 to +60°C
IL = 15 mA,
VL = 0 dBm,
VSAI = 4 mV
Pin 23 open
DGSA
VSAO
Gain change with current
Resistor for turning off
speaker amplifier
IL = 15 to 100 mA
IL = 15 to 100 mA
DGSA
RGSA
0.8
Gain change with frequency
IL = 15 mA
f = 300 to 3400 Hz
DGSA
Attack time of anti-clipping 20 dB over drive
tr
Release time of anti-clipping
tf
DTMF Amplifier Test Conditions: IMP = 2 mA, IM = 0.3 mA, VMUTX = VMP
Adjustment range of DTMF
gain
IL = 15 mA
Mute active
GD
40
DTMF amplification
IL = 15 mA,
VDTMF = 8 mV
Mute active:
MUTX = VMP
GD
40.7
Gain deviaton
IL = 15 mA
Tamb = -10 to +60°C
GD
Typ.
-7
36.5
-3
7
20
1.3
5
80
41.7
12 U4089B-M
Max.
Unit
-6
dB
5
%
15
mA
22
kW
37.5
dB
dB
mW
mW
200
µVpsoph
±1
dB
-60
±1
2
±0.5
dBm
dB
MW
dB
ms
ms
50
dB
42.7
dB
±0.5
dB
4570AâCORDâ04/03
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese