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参数资料
| 型号： | NTE1780 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Quad Differential Comparator 14-SSOP 0 to 70 |
| 中文描述： | 集成电路2通道音频/直流音量/平衡控制电路 |
| 文件页数： | 2/3页 |
| 文件大小： | 27K |
| 代理商： | NTE1780 |
Electrical Characteristics (Cont’d):
(T
A
= +25C, V
CC
= 12V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Balance Control Circuit (Cont’d)
Attenuation (L
–
ch)
A
ttBL
f = 1kHz, V
i
= 400mV
rms
, V
12
= V
CC
,
V
5
= V
8
= V
CC
/2, V
OR1
: V
1
= (6.5/12),
V
CC
(VR
–
1), V
OR2
: V
1
= 0V, Note 4
–
32
–
45
–
dB
Tone Control Circuit
Low Frequency Boost
Control
V
40
/V
1k
V
1k
: f = 1kHz, V
i
= 400mV
rms
Output voltage when
V
12
= V
CC
, V
1
= V
5
= V
8
= V
CC
/2
V
40
: f = 40Hz, V
i
= 400mV
rms
Output voltage when
V
12
= V
CC
, V
5
= V
8
= V
CC
V
1k
: f = 1kHz, V
i
= 400mV
rms
Output voltage when
V
12
= V
CC
, V
1
= V
5
= V
8
= V
CC
/2
V
40
: f = 40Hz, V
i
= 400mV
rms
Output voltage when
V
12
= V
CC
, V
5
= V
8
= V
CC
V
1k
: f = 1kHz, V
i
= 400mV
rms
Output voltage when
V
12
= V
CC
, V
1
= V
5
= V
8
= V
CC
/2
V
15
: f = 15kHz, V
i
= 400mV
rms
Output voltage when
V
12
= V
CC
, V
5
= V
8
= V
CC
V
1k
: f = 1kHz, V
i
= 400mV
rms
Output voltage when
V
12
= V
CC
, V
1
= V
5
= V
8
= V
CC
/2
V
15
: f = 15kHz, V
i
= 400mV
rms
Output voltage when
V
12
= V
CC
, V
5
= V
8
= V
CC
f = 1kHz, V
i
= 400mV
rms
, V
1q2
= V
CC
,
V
1
= V
5
= V
8
= V
CC
/2
V
i
= No Signal, V
12
= V
CC
, V
1
= V
5
= V
8
= V
CC
/2
f = 1kHz, V
i
= 400mV
rms
, V
12
= V
CC
,
V
1
= V
5
= V
8
= V
CC
/2
f = 1kHz
8
10
12
dB
Low Frequency Cut
Control
V
40
/V
1k
–
7.5
–
12.0
–
16.0
dB
High Frequency Boost
Control
V
15
/V
1k
7.5
10.0
13.0
dB
High Frequency Cut
Control
V
40
/V
1k
–
7.5
–
12.0
–
18.0
dB
Crosstalk
CT
–
65
–
80
–
dB
Output Noise Voltage
V
no
THD
–
80
120
μ
V
rms
%
Distortion Rate
–
0.2
0.5
Input Resistance
R
i (6), (9)
R
i (4), (11)
R
o (3), (10)
f = 1kHz
8.2
11.0
13.5
k
k
11.0
16.0
22.0
Output Resistance
60
110
160
Note 4. A
ttBL
: V
OL2
/V
OL1
V
CC
Balance Control
Pin Connection Diagram
(Front View)
Lt Ch Output
Lt Ch Input
Treble Control
GND
Lt Ch Low Freq Input
Bass Control
Rt Ch Low Freq Input
Rt Ch Output
Rt Ch Input
Volume Control
12
11
10
9
8
7
6
5
4
3
2
1
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