U4089B-PFN ATMEL [ATMEL Corporation], U4089B-PFN Datasheet - Page 11

• Manufacturer Part Number: U4089B-PFN
• Description: Monolithic Integrated Feature Phone Circuit
• Manufacturer: ATMEL [ATMEL Corporation]

Electrical Characteristics (Continued)
f = 1 kHz, 0 dBm = 775 mV
Z
4518A–CORD–05/02
ear
Parameters
Receiving Amplifier, I
Adjustment range of
receiving gain
Receiving amplification
Amplification of DTMF signal
from DTMF IN to RECO
Frequency response
Gain change with current
Gain deviation
Ear protection
MUTE suppression
DTMF operation
Output voltage d
Maximum output current
d
Receiving noise
psophometrically weighted
Output resistance
Line-loss compensation
AC impedance
Gain at low operating
current
Distortion at low operating
current
Speaker Amplifier
Minimum line current for
operation
Input resistance
Gain from SAI to SAO
= 68 nF + 100 , Z
2%
2%
M
L
= 68 nF, Pin 30 open (AGA), V
= 14 mA, RGR = 62 k , Unless Otherwise Specified, V
rms
, I
M
RAGA = 20 k ,
Test Conditions
I
single-ended
RGR = 62 k
RGR = 22 k
I
V
I
f = 300 Hz to 3400 Hz
I
T
I
V
I
V
I
Z
Z
Z
I
Output against GND
I
I
I
I
V
RDC = 68 k
I
I
V
RDC = 68 k
No AC signal
V
I
RGSA = 560 k
RGSA = 20 k
= 0.3 mA, I
L
L
L
L
L
L
L
L
L
L
MP
M
L
MP
L
amb
ear
ear
ear
MUTX
GEN
MUTX
GEN
GEN
SAI
> 14 mA,
= 14 to 100 mA
= 14 mA
= 100 mA
= 10 mA
= 10 mA
= 15 mA,
= 300 µA
= 1 mA
= 1 mA
14 mA
14 mA
14 mA
14 mA,
14 mA
= 68 nF
= 100
= 68 nF + 100
= 3 mV,
= -10 to +60 C
= 11 V
= 560 mV
= 560 mV
= V
= V
MP
MP
MP
rms
= 2 mA, RDC = 130 k , T
MUTX
= GND, see Figure 22 (AC tests), unless otherwise specified.
Pin
23
amb
= 25 C, RGSA = 560 k,
Symbol
G
I
Z
G
G
G
EP
G
G
R
Lmin
d
G
G
G
G
n
imp
RM
SA
R
R
R
o
R
i
RF
RI
R
R
R
GEN
= 300 mV
-7.75
Min.
35.5
-7.0
840
0.5
60
14
-8
-8
1
4
Typ.
36.5
-6.0
900
1.5
-80
-7
-7
-3
4
U4089B-P
Max.
-6.25
± 0.5
± 0.5
± 0.5
37.5
-5.0
960
1.1
-77
+2
10
15
22
-6
7
5
(peak)
dBmp
Vrms
Unit
V
mA
mA
k
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
%
rms
11