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DC Characteristics
Characteristics
Input pin
Input resistance
Output pin
Output resistance
S mode discrimination voltage
External mute ON voltage
Address switching voltage
Measured Pin
Symbol
Det in
R3
V
TV
R7
in
V
V1
R10
in
V
V2
R28
in
Y/V
S1
R12
in
Y/V
S2
R16
in
C
S1
R14
in
C
S2
R18
in
Y
R30
in
C
R32
in
L
TV
R5
in
R
TV
R6
in
L
V1
R8
in
R
V1
R9
in
L
V2
R29
in
R
V2
R31
in
L
S1
R11
in
R
S1
R13
in
L
S2
R15
in
R
S2
R17
in
Det Select
R4
V
1
R38
out
V
2
R42
out
Y
R36
out
C
R34
out
L
TV
R40
out
R
TV
R39
out
L
1
R37
out
R
1
R35
out
L
2
R1
out
R
2
R2
out
C
S1
VthC1
in
C
S2
VthC2
in
C
VthM
in
Address
VthA
Test
Min.
Typ.
Max.
Circuit
10
18
30
20
30
40
20
30
40
20
30
40
20
30
40
20
30
40
20
30
40
20
30
40
40
60
80
40
60
80
49
70
100
49
70
100
49
70
100
49
70
100
49
70
100
49
70
100
49
70
100
49
70
100
49
70
100
49
70
100
17
35
53
13
25
50
13
25
50
13
25
50
13
25
50
20
45
90
20
45
90
20
45
90
20
45
90
20
45
90
20
45
90
1.75
2.25
2.75
1.75
2.25
2.75
1.75
2.25
2.75
1.75
2.25
2.75
TA1218N/F
Unit
Remark
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
Measure a change ∆I
in the current flowing
kΩ
into each pin when the
kΩ
voltage is raised by
0.5V. Then calculate
kΩ
the input resistance
value R.
kΩ
R = 0.5 V/∆I [Ω]
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
Ω
Ω
Ω
Measure a voltage
Ω
change ∆V on each
Ω
pin when a current of
100 µA flows into the
Ω
pin. Then calculate the
output resistance
Ω
value R.
Ω
R = ∆V/100 µA [Ω]
Ω
Ω
Ω
Voltage on pin 14 (10)
V
at which data B31
changes.
Voltage on pin 18 (15)
V
at which data B32
changes.
Voltage on pin 32 (30)
V
at which voice is
muted.
Voltage on pin 27 (25)
V
at which the slave
address changes.
2000-09-11 26/40
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