u4037b-n ETC-unknow, u4037b-n Datasheet - Page 5

• Manufacturer Part Number: u4037b-n
• Description:
  c-controlled Speech And Ringer Circuit
• Manufacturer: ETC-unknow

Electrical Characteristics (continued)
Rev. A3, 06-Mar-01
Receiving amplifier, I
Receiving amplification
Adjustment range
Amplification of DTMF signal from
DTMF IN to RECO 1, 2
Frequency response
Gain change with current
Gain deviation
Ear protection differential
MUTE suppression
Output voltage d v 2%
differential
Output voltage d v 5%
differential
Receiving noise
psophometrically weighted
Output resistance
Line-loss compensation
Gain at low operating current
DTMF-amplifier
DTMF amplification
Gain deviaton
Input resistance
Distortion of DTMF signal
Gain deviation with current
Supply voltages, V
V
Ringing part, I
Maximum output voltage
Input impedance in speech mode
MP
Parameters
VMP
mic
= 1 mA
L
= 10 mV, T
= 14 mA, unless otherwise specified, V
test conditions: IMP = 2 mA
amb
Preliminary Information
I
V
I
f = 300 to 3400 Hz
I
T
I
V
I
I
Z
I
Z
RDC = infinite
Z
I
each output against GND
RAGA = 20 kW,
I
I
I
V
RDC = 68 kW
I
VDTMF = 8 mV
Mute active
I
T
RGT = 15 kW
I
V
I
I
RDC = 130 kW
I
V
f = 300 Hz to 3400 Hz
I
V
L
L
L
L
L
L
L
L
L
L
M
L
L
L
L
= – 10 to + 60 C
L
MP
L
amb
amb
ear
ear
ear
TIP/RING
DTMF
GEN
GEN
L
RING
Test Conditions / Pin
w 14 mA,
> 14 mA,
= 14 to 100 mA
w 14 mA
w 14 mA
= 14 mA
= 14 mA
w 14 mA
= 100 mA
= 8 mA, I
= 15 mA,
= 15 mA
w 15 mA,
= 15 to 100 mA
= 8 mA,
> 15 mA,
= 300 mA
= 0 dBm
= 1 mA
= 68 nF + 100 W
= 68 nF + 100 W
= 68 nF + 100 W
= –10 to +60 C
= –10 to +60 C
= 11 V
= 100 mV
= 20 V
= 8 mV
= 1.5 V
MP
rms
= 1 mA
rms
GEN
Symbol
DG
DG
DGD
G
DG
DG
DG
V
V
G
G
G
G
G
EP
Ro
d
ni
R
R
RM
MP
out
D
= 300 mV
D
D
R
R
R
RF
i
i
RI
R
R
R
0.775
Min.
–7.0
10.5
40.7
1.2
3.1
–8
14
60
15
50
U4037B-N
Typ.
–6.0
41.7
3.4
12
20
25
"0.5
"0.5
"0.5
"0.5
"0.5
Max.
–5.0
13.5
42.7
–64
2.2
3.6
12
12
20
40
25
2
dBmp
V
V
V
Unit
V
kW
kW
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
%
W
V
rms
rms
rms
5 (7)
pp