tea1083at NXP Semiconductors, tea1083at Datasheet - Page 11

• Manufacturer Part Number: tea1083at
• Description: Call Progress Monitor For Line Powered Telephone Sets
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Notes to figure 10
1. I
2.
3.
4. The pin numbers in parenthesis refer to the TEA1083A/AT
5. LSE has to be HIGH to measure the voltage gain
6. PD has to be HIGH to measure in PD conditions
7. The pins not shown in the TEA1060 are left open-circuit
8. An impedance in series with pin SUP (e.g. an ammeter) should
March 1994
handbook, full pagewidth
LSE input
V
V
I
I
SYMBOL
G
IL
IH
Call progress monitor for line powered
telephone sets
be avoided as it interferes with the values of I
G
I
SUP
TR
I line
v
=
=
= I
20 log
V
------------------------------ -
SUP SREF
IN
LOW level input voltage
HIGH level input voltage
Input current
Reduction of gain from LSI1/LSI2
to QLS
R20
–
100
C1
I
---------- -
V
F
TR
V
2
3
5
6
LSI
I CC
o
GAS1
GAS2
QR
GAR
V CC
V EE
PARAMETER
15
10
R1
620
STAB
TEA1060
9
3.6
R5
k
I in
A
REG
I TR
16
4.7
C3
F
SLPE
LN
MIC
MIC
1
18
R20
150
R9
20
7
8
V SUP
LSE = HIGH
LSE = LOW
TR
Fig.10 Test circuit.
V CC
V CC
and I
V SUP
V LSI
CONDITIONS
SUP
11
.
V SREF
(13) 6
(8) 4
(9) 5
(12)
I SUP
LSE
PD
LSI1
LSI2
SREF
3 (4)
(TEA1083A)
TEA1083
0
1.5
60
SUP
V SS
MIN.
2 (2)
1 (1)
TEA1083; TEA1083A
V BB
8 (16)
QLS
80
5
TYP.
7 (15)
V O
Product specification
I BB
R LS
50
C21
220
0.3
V
10
F
BB
MAX.
V BB
MGR054
C20
470
V
V
dB
UNIT
F
A