NTE708.pdf 데이터시트 (총 3 페이지) - 파일 다운로드 NTE708 데이타시트 다운로드

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NTE708
Integrated Circuit
TV/FM Sound IF Amplifier
Features:
D Greatly Simplifier FM Demodulator Alignment
D Excellent Performance at V+ = 8V
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Power Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Peak Input Voltage (Pin4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5V
Power Dissipation (TA = +25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625mW
Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mW/°C
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Electrical Characteristics: (V+ = 12V, TA = +25°C unless otherwise specified)
Parameter
Pin
Test Conditions
Min Typ Max Unit
Drain Current
13 V+ = 8V
10 12 19 mA
V+ = 12V
– 15 21 mA
Amplifier Input Reference Voltage
6
– 1.45 –
V
Detector Input Reference Voltage
2
– 3.65 –
V
Amplifier High Level Output Voltage
10
1.25 1.45 1.65 V
Amplifier Low Level Output Voltage
9
– 0.145 0.2 V
Detector Output Voltage
1 V+ = 8V
– 3.7 –
V
V+ = 12V
– 5.4 –
V
Amplifier Input Resistance
4
– 5.0 – k
Amplifier Input Capacitance
4
– 11 – pF
Detector Input Resistance
12
– 70 – k
Detector Input Capaciance
12
– 2.7 – pF
Amplifier Output Resistance
10
– 60 –
Detector Output Resistance
1
– 200 –
De–Emphasis Resistance
14
– 8.8 – k

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Dynamic Characteristics: (FM Modulation Freq = 1kHz, Source Resistance = 50,
TA = +25°C for all tests)
Parameter
Pin
Test Conditions
Min Typ Max
(V+ = 12V, fo = 4.5MHz, f = ±25kHz, Peak Separation = 150kHz)
Amplifier Voltage Gain
10 Vin 50µVrms
AM Rejection
1 Vin = 10mVrms, Note 1
Input Limiting Threshold Voltage
4
60
36
250
Recovered Audio Output Voltage
1 Vin = 10mVrms
0.72
Output Distortion
1 Vin = 10mVrms
(V+ = 12V, fo = 5.5MHz, f = ±50kHz, Peak Separation = 260kHz)
Amplifier Voltage Gain
10 Vin 50µVrms
AM Rejection
1 Vin = 10mVrms, Note 1
3
60
40
Input Limiting Threshold Voltage
4
250
Recovered Audio Output Voltage
1 Vin = 10mVrms
Output Distortion
1 Vin = 10mVrms
(V+ = 8V, fo = 10.7MHz, f = ±75kHz, Peak Separation = 550kHz)
Amplifier Voltage Gain
10 Vin 50µVrms
1.2
5
53
AM Rejection
Input Limiting Threshold Voltage
1 Vin = 10mVrms, Note 1
4
37
600
Recovered Audio Output Voltage
1 Vin = 10mVrms
Output Distortion
1 Vin = 10mVrms
(V+ = 12V, fo = 10.7MHz, f = ±75kHz, Peak Separation = 550kHz)
Amplifier Voltage Gain
10 Vin 50µVrms
AM Rejection
1 Vin = 10mVrms, Note 1
Input Limiting Threshold Voltage
4
0.3
1.4
53
45
600
Recovered Audio Output Voltage
1 Vin = 10mVrms
0.48
Output Distortion
1 Vin = 10mVrms
1.4
Unit
dB
dB
µVrms
Vrms
%
dB
dB
µVrms
Vrms
%
dB
dB
µVrms
Vrms
%
dB
dB
µVrms
Vrms
%
Note 1. 100% FM, 30% AM Modulation.
Pin Connection Diagram
Audio Output 1
Detector Input Ref 2
N.C. 3
IF Input 4
Decoupling 5
IF Input Ref 6
GND 7
14 DeEmphasis
13 VCC
12 Det Input (QuadratureNetwork)
11 Test Point
10 Amplifier Output
9 Amplifier Low Output
8 N.C.

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14 8
17
.785 (19.95)
Max
.300 (7.62)
.200 (5.08)
Max
.100 (2.45)
.600 (15.24)
.099 (2.5) Min