參數(shù)資料
型號(hào): NTE1789
廠商: NTE Electronics, Inc.
英文描述: Quad Differential Comparator 14-PDIP 0 to 70
中文描述: 集成電路電視音響前置放大器,音頻輸出,音量控制
文件頁(yè)數(shù): 1/2頁(yè)
文件大小: 24K
代理商: NTE1789
NTE1789
Integrated Circuit
TV Sound Preamp, AF Output, Volume Control
Description:
The NTE1789 is an integrated circuit in a 9–Lead SIP type package designed for use in TV sound
output circuit.
Features:
DC Volume Control System
Absolute Maximum Ratings:
(T
A
= +25
°
C unless otherwise specified)
Supply Voltage, V
1–7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply Voltage, V
9–7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Voltage, V
3–7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Voltage, V
4–7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Voltage, V
6–7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak Circuit Current, I
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak Circuit Current, I
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation, P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Ambient Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14.4V
26V
0 to 7V
0 to V
1–7
V
0 to V
9–7
V
–10 to +3mA
–1.2 to +1.2mA
1.6W
–20
°
to +70
°
C
–55
°
to +150
°
C
Electrical Characteristics:
(T
A
= +25
°
C unless otherwisepsecified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Circuit Current
I
I
SW
1
: 1, SW
2
: 1
SW
1
: 2, SW
2
: 1
SW
1
: 2, SW
2
: 1
SW
1
: 2, SW
2
: 1
SW
1
: 2, SW
2
: 2
V
4
= 12V, f = 1kHz, THD = 10%
V
4
= 12V, V
i
= 0.1V
rms
, f = 1kHz
V
4
= 12V, P
O
= 1W, f = 1kHz
f = 1kHz, V
i
= 0.1V
rms
, Ratio between
V
4
= 12V and V
4
= 0V
V
4
= 0V, V
i
= 0V
rms
f = 1kHz, V
4
= 12V, when V
8
= 0V
rms
7.1
9.5
11.9
mA
Circuit Voltage
V
2–7
V
5–7
V
6–7
V
8–7
P
O
max
G
V
THD
5.4
V
8.5
V
8.8
V
8.8
V
Max. Output Voltage
2.0
2.3
W
Voltage Gain
28.5
30.5
32.5
dB
Total Harmonic Distortion
0.8
1.2
%
Max. Attenuation
A
tt
–95
–85
dB
Output Noise Voltage
V
no
V
3–7
0.6
1.0
mV
rms
V
Mute Operating Voltage
2.45
2.65
2.85
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