NTE1781
Integrated Circuit
Electronic Switch for VCR
Features:
D
Wide Input Dynamic Range
D
Low Distortion
D
Good Frequency Characteristics
Absolute Maximum Ratings: (T
A
= +25
C unless otherwise specified)
Maximum Supply Voltage, V
CC
max
15V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allowable Power Dissipation (T
A
+65
C), P
d
max
300mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
opr
20
to +65
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
40
to +125
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation Characteristics: (T
A
= +25
C, V
CC
= 12V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Circuit Current
I
D
12.5
mA
Total Harmonic Distortion
THD
R
g
= 600
, 4.5V
PP
, f = 1kHz, R
L
=
, Note 1
0.007
0.1
%
Noise
en
R
g
= 600
, f = 20Hz to 20kHz, R
L
=
, Note 1
93
80
dBs
Crosstalk
I
s1
Input A: R
g
= 50
, f = 3.58MHz, 2V
PP
,
Input B: R
g
= 1k
, Note 1
50
68
dB
Pedestal
V
ped
V
3
= 2.2V to 3.0V
100
+100
mV
Second Harmonic
R
g
= 50
, f = 1Mhz, 4V
PP
, R
L
=
46
55
dB
Third Harmonic
R
g
= 50
, f = 1Mhz, 4V
PP
, R
L
=
46
52
dB
Control, Threshold Voltage
V
3s
2.2
2.6
3.0
V
Pin Voltage (Pin4)
V
4
6.9
6.9
V
Pin Voltage (Pin7)
V
7
V
3
= 2.2V
7.6
V
V
3
= 3.0V
7.6
V
Pin Voltage (Pin2)
V
2
V
3
= 2.2V
7.6
V
V
3
= 3.0V
7.6
V
Note 1. Test for Input 1 and Input 2:
Input 1 Test: V
cont
(Pin3 voltage) is 2.0V
Input 2 Test: V
cont
is 3.0V
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