Integrated Circuit. NTE1780 Datasheet

NTE1780 Circuit. Datasheet pdf. Equivalent

Part NTE1780
Description Integrated Circuit
Feature NTE1780 Integrated Circuit 2 Channel Tone/DC Volume/Balance Control Circuit Description: The NTE1780.
Manufacture NTE
Datasheet
Download NTE1780 Datasheet




NTE1780
NTE1780
Integrated Circuit
2 Channel Tone/DC Volume/Balance Control Circuit
Description:
The NTE1780 is an integrated circuit in a 12–Lead SIP type package designed for 2–channel volume
and tone control circuits.
Features:
D Easier Compact Set Design
D Functions Are: 2–Channel Bass, Treble Control Circuit
D Balance Control Circuit
D DC Volume Control Circuit (Volume Control w/Physiological Characteristics)
D All Functions Enable DC Controllable
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Circuit Voltage, V1, 4, 5, 6–7, V8, 9, 11, 12–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0, V2–7
Supply Current, I2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64mA
Circuit Current, I3, I10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40mA
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 920mW
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Electrical Characteristics: (TA = +25C, VCC = 12V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Circuit Current
Circuit Voltage
Volume Circuit
Itot VCC = 12V
24 38 50 mA
V3, 10–7 Vi = No Signal, V12 = VCC, V1 = V5 = V8 = VCC/2 8.0 8.4 8.8
V
Maximum Output
Channel Balance (Note 1)
VOmax f = 1kHz, Vi = 400mVrms, V12 = VCC,
CB V1 = V5 = V8 = VCC/2
190 230 270 mVrms
– +0.2 ±1.0
Volume Starting Voltage
Residual Tone Level
(Volume Minimum)
Balance Control Circuit
V(st)
Vmin.
f = 1kHz, Vi = 400mVrms, V12 = VR,
V1 = V5 = V8 = VCC/2, Note 2
f = 1kHz, Vi = 400mVrms, V12 = 0,
V1 = V5 = V8 = VCC/2
0.40 0.60 0.90 V
– 25 50 µVrms
Attenuation (R–ch)
AttBR
f = 1kHz, Vi = 400mVrms, V12 = VCC,
V5 = V8 = VCC/2, VOR1: V1 = (5.5/12),
VCC(VR–1), VOR2: V1 = 0V, Note 3
Note 1. Deviation between R and L–ch for maximum output.
Note 2. V12 voltage when output voltage is 0.1mVrms.
Note 3. AttBR: VOR2/VOR1
–32 –45 –
dB



NTE1780
Electrical Characteristics (Cont’d): (TA = +25C, VCC = 12V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Balance Control Circuit (Cont’d)
Attenuation (Lch)
Tone Control Circuit
AttBL
f = 1kHz, Vi = 400mVrms, V12 = VCC,
V5 = V8 = VCC/2, VOR1: V1 = (6.5/12),
VCC(VR1), VOR2: V1 = 0V, Note 4
32 45
dB
Low Frequency Boost
Control
Low Frequency Cut
Control
High Frequency Boost
Control
High Frequency Cut
Control
Crosstalk
Output Noise Voltage
Distortion Rate
Input Resistance
Output Resistance
V40/V1k
V1k: f = 1kHz, Vi = 400mVrms Output voltage when
V12 = VCC, V1 = V5 = V8 = VCC/2
V40: f = 40Hz, Vi = 400mVrms Output voltage when
V12 = VCC, V5 = V8 = VCC
V40/V1k
V1k: f = 1kHz, Vi = 400mVrms Output voltage when
V12 = VCC, V1 = V5 = V8 = VCC/2
V40: f = 40Hz, Vi = 400mVrms Output voltage when
V12 = VCC, V5 = V8 = VCC
V15/V1k
V1k: f = 1kHz, Vi = 400mVrms Output voltage when
V12 = VCC, V1 = V5 = V8 = VCC/2
V15: f = 15kHz, Vi = 400mVrms Output voltage when
V12 = VCC, V5 = V8 = VCC
V40/V1k
V1k: f = 1kHz, Vi = 400mVrms Output voltage when
V12 = VCC, V1 = V5 = V8 = VCC/2
V15: f = 15kHz, Vi = 400mVrms Output voltage when
V12 = VCC, V5 = V8 = VCC
CT f = 1kHz, Vi = 400mVrms, V1q2 = VCC,
V1 = V5 = V8 = VCC/2
Vno Vi = No Signal, V12 = VCC, V1 = V5 = V8 = VCC/2
THD
f = 1kHz, Vi = 400mVrms, V12 = VCC,
V1 = V5 = V8 = VCC/2
Ri (6), (9) f = 1kHz
Ri (4), (11)
Ro (3), (10) f = 1kHz
8 10 12 dB
7.5 12.0 16.0 dB
7.5 10.0 13.0 dB
7.5 12.0 18.0 dB
65 80
dB
80 120 µVrms
0.2 0.5 %
8.2 11.0 13.5
11.0 16.0 22.0
60 110 160
k
k
Note 4. AttBL: VOL2/VOL1
Pin Connection Diagram
(Front View)
12 Volume Control
11 Lt Ch Low Freq Input
10 Lt Ch Output
9 Lt Ch Input
8 Treble Control
7 GND
6 Rt Ch Input
5 Bass Control
4 Rt Ch Low Freq Input
3 Rt Ch Output
2 VCC
1 Balance Control







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