2-Input 1-Output Stereo Audio Selector GENERAL DESCRIPTION NJM275

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2-Input 1-Output Stereo Audio Selector GENERAL DESCRIPTION NJM275

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NJM2752
2-Input 1-Output Stereo Audio Selector
GENERAL DESCRIPTION NJM2752 2-Input 1-Output Stereo Audio Selector. NJM2752 consists switches buffer operational amplifiers. Based internal switch op-amp technology, NJM2752 features lower output noise, lower distortion higher channel separation than general Multiplexers Analogue Switches. NJM2752 contains compatibility with NJM2753 (3in-1out SW),NJM2755 (4in-1out SW). suitable LCD-TV/PDP-TV, Stereo, Audio System. PACKAGE OUTLINE
NJM2752RB2
NJM2752V
FEATURES Operating Voltage 2-Input 1-Output Stereo Audio Selectors Output Noise Distortion Bipolar Technology Package Outline
-114dBV typ. 0.0009% typ. TVSP10,SSOP14
BLOCK DIAGRAM
LOGIC
CNT1
IN1A IN1B
OUTA
IN2A IN2B
OUTB
Vref
Vref
Ver.2.0
NJM2752
CONFIGURATIONS TVSP10,SSOP14
TVSP10
SSOP14
OUTB IN1B IN2B Vref
NJM2752RB2
OUTA IN1A IN2A CNT1
OUTA IN1A IN2A CNT1
OUTB
NJM2752V
IN1B IN2B Vref
PIN.No.
(TVSP10)
PIN.No. (SSOP14)
SYMBOL OUTA IN1A IN2A CNT1
FUNCTION Output Terminal Input Terminal1 Power Supply Terminal Input Terminal2 Control Switch Terminal1 Connection
PIN.No.
(TVSP10)
PIN.No. (SSOP14)
SYMBOL Vref IN2B IN1B OUTB
FUNCTION Reference Terminal Input Terminal2 Terminal Input Terminal1 Output Terminal
[Reference]
NJM2752 contains compatibility with NJM2753 (3in-1out SW),NJM2755 (4in-1out SW). NJM2753 NJM2755
OUTA
OUTB
OUTA
OUTB
NJM2753V
IN1A IN2A CNT1 IN3A CNT2
IN1B IN2B Vref IN3B
NJM2755V
IN1A IN2A CNT1 IN3A CNT2 IN4A
IN1B IN2B Vref IN3B IN4B
NJM2752
ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER SYMBOL Supply Voltage
RATING TVSP10 SSOP14
UNIT
Power Dissipation
NOTE EIA/JEDEC STANDARD Test board (76.2x114.3x1.6mm, 2layer, FR-4) mounting EIA/JEDEC STANDARD Test board (76.2x114.3x1.6mm, 4layer, FR-4) mounting
Operating Temperature Range Storage Temperature Range
TOPR TSTR
+150
ELECTRICAL CHARACTERISTICS Ta=25°C, =9V) PARAMETER Operating Voltage Supply Current Reference Voltage Voltage Gain Total Harmonic Distortion Output Noise Voltage Maximum Output Voltage Cross Talk Channel Separation Switch-ON Voltage Level Switch-OFF Voltage Level Input Impedance Output Impedance SWITCH CONTROL LOGIC CNT1 INPUT SELECTOR SYMBOL
TEST CONDITION Signal Vin=1Vrms, f=1kHz Vin=1Vrms, f=1kHz A-Weighted f=1kHz, THD=1% Vin=1Vrms, f=1kHz, A-Weighted Vin=1Vrms, f=1kHz, A-Weighted
MIN. (2.0)
TYP. 0.0009 -114 (2.5)
MAX. 0.03 -100 (10)
UNIT (µVrms) (Vrms)
VREF THD+N ROUT
NJM2752
sMEASUREMENT CIRCUIT (SSOP14)
10µF
OUTA
OUTB
10µF 10µF
NJM2752
10µF
IN1A IN2A CNT1
IN1B IN2B Vref
100µF
10µF
10µF 10µF
NJM2752
sAPPLICATION CIRCUIT (SSOP14)
10µF
OUTA
OUTB
10µF 10µF
NJM2752
10µF
IN1A IN2A CNT1
IN1B IN2B Vref
100µF
10µF
10µF 10µF
100k
Application note: Resistor(100k) capacitor(1µF) connected CNT1 added reduce pop-noise. value input capacitor connected IN1A IN2A depends cut-off frequency(calculated fc=1/2RC) need. R(input impedance)=100k.
NJM2752
TERMINAL DESCRIPTION SYMBOL IN1A IN2A IN2B IN1B FUNCTION Input Terminal1 Input Terminal2 Input Terminal2 Input Terminal1 EQUIVALENT CIRCUIT TERMINAL VOLTAGE V+/2
IN1A IN2A IN1B IN2B
100k
CNT1
Control Switch Terminal1
(GND)
100k
OUTA OUTB
Output Terminal Output Terminal
OUTA OUTB
V+/2
100k
Vref
Reference Terminal
V+/2
VREF
Power Supply Terminal Terminal
NJM2752
!TYPICAL CHARACTERISTICS
Supply Voltage signal VREF Supply Voltage signal
25105
[mA] VREF[V] Supply Voltage GAIN Frequency +=9V, I/O: INA1-Aout Gain Output [dB] -0.2 -0.4 -0.6 -0.8 1000 Frequency [Hz] 10000 100000 0.0001 0.01 Supply Voltage THD+N Input Voltage BW:10-22kHz(f=100Hz), 400-30kHz(f=1kHz, 10kHz) I/O: INA1-Aout
-40105
-40105
THD+N
-4025
0.01
0.001
Input Voltage [Vrms]
THD+N Frequency I/O: INA1-Aout
Maximum Output Voltage Frequency +=9V, THD=1%, I/O: INA1-Aout 2.65 Maximum Output Voltage [Vrms]
THD+N
2.55 2.45 2.35
0.01
-40105
0.001
0.0001 1000 Frequency [Hz] 10000 100000
1000 10000 100000 Frequency [Hz]
NJM2752
!TYPICAL CHARACTERISTICS
Maximum Output Voltage Supply Voltage THD=1%, I/O: INA1-1Aout Maximum Output Voltage [Vrms] Supply Voltage Cross Talk Frequency +=9V, Vin=1Vrms, BW:10-80kHz, I/O: INA1-Aout, Select Channel:2ch Maximum Output Voltage [Vrms] Maximum Output Voltage Load Resistance +=9V, THD=1%, f=1kHz, I/O: INA1-Aout INB1-Bout
RL[] Cross Talk Frequency +=9V, Vin=1Vrms, BW:10-80kHz, I/O: INA1-Aout, Select Channel:2ch 1000 10000 100000
Rg=5.1k Rg=3.3k
Cross Talk[dB] Cross Talk[dB] -100
Rg=620
-100
Rg=0
-110 1000 Frequency [Hz] Channel Separation Frequency +=9V, Vin=1Vrms, BW:10-80kHz, I/O: INB1-Aout 10000 100000
-110 1000 Frequency [Hz] Channel Separation Frequency +=9V, Vin=1Vrms, BW:10-80kHz, I/O: INB1-Aout 10000 100000
Rg=5.1k Rg=3.3k
Channel Separation[dB] Channel Separation[dB] -100 -110 1000 Frequency [Hz] 10000 100000
Rg=620
Rg=0
-100 -110 1000 Frequency [Hz] 10000 100000
NJM2752
!TYPICAL CHARACTERISTICS
Voltage vsCross Talk +=9V, Vin=1Vrms, eghit I/O: IN2A-Aout
Cross Talk[dB] -100 -110 -120 -130
Cross Talk[dB] -100 -110 -120 -130
Voltage vsCross Talk +=9V, Vin=1Vrms, eghit I/O: IN1A-Aout
Voltage[V]
Voltage[V]
[CAUTION] specifications this databook only given information without guarantee regards either mistakes omissions. application circuits this databook described only show representative usages product intended guarantee permission right including industrial rights.

2-Input 1-Output Stereo Audio Selector GENERAL DESCRIPTION NJM275

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