S5A2250A01 S5A2250A01 CMOS designed electronization dual volume.
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DUAL ELECTRONIC VOLUME CONTROL
S5A2250A01
S5A2250A01 CMOS designed electronization dual volume. suitable M/C, stereos. 16-DIP-300A
FEATURES
Wide supply voltage range: (Backup possible Attenuation controlled from -66dB 2dB/step. Controlling attenuation means built up/down terminals. Single power supply operation well split power supply operation.
ORDERING INFORMATION
Device S5A2250A01-D0B0 Package 16-DlP-300A Operating Temperature -20°C +70°C
S5A2250A01
DUAL ELECTRONIC VOLUME CONTROL
BLOCK DIAGRAM
L-CH R-CH
10dB STEP UP/DOWN 10dB STEP UP/DOWN
L-OUT1
BITS BIDIRECTIONAL SHIFT REGISTOR CONTROL
STEP UP/DOWN STEP UP/DOWN
R-OUT1
L-IN1
R-IN1 A-GND R-IN2 R-OUT2
A-GND
L-IN2
L-OUT2
DUAL ELECTRONIC VOLUME CONTROL
S5A2250A01
CONFIGURATION
L-OUT1 L-IN1 A-GND L-IN2 L-OUT2
R-OUT1 R-IN1 A-GND R-IN2 R-OUT2
S5A2250A01
DESCRIPTION
Symbol L-OUT1 R-OUT1 L-IN1 R-IN2 A-GND L-IN2 R-IN2 L-OUT2 R-OUT2 power supply (GND) 10dB/step atttenuator output. signal applied attenuated steps from 60dB 10dB 10dB/step attenuator inputs Analog ground 2dB/step attenuator inputs 2dB/step attenuator output. signal applied attenuated steps from 60dB power supply (VDD) When level, normal operation current output displaying attenuation connecting oscillator Attenuation up/down control input Descriptions
S5A2250A01
DUAL ELECTRONIC VOLUME CONTROL
ABSOLUTE MAXIMUM RATINGS 25°C)
Characteristic Supply Voltage Power Dissipation Operating Temperature Storage Temperature Input Voltage Symbol TOPR TSTG Value Unit
ELECTRICAL CHARACTERISTICS
(VDD 12V, 1kHz, 25°C, unless otherwise specified) Characteristic Circuit Current Symbol IDD1 IDD2 RATT1 Attenuator Resistor RATT2 Backup Current Input High Voltage Input Voltage Total Harmonic Distortion Attenuator Error Input Amplitude Output current Cross Talk Operating Frequency lBACKUP VATT(ERR) VI(MAX) IO(DCO) fOSC1 fOSC2 Test Conditions s/w1 (down) s/w1 Vpp, 10dB, 15kHz step step 10dB UP/SW Min. Typ. 11.8 0.005 Max. 12.3 0.01 Vrms Unit
DUAL ELECTRONIC VOLUME CONTROL
S5A2250A01
APPLICATION INFORMATION
Setting Attenuation Attenuation automatically -40dB position when power applied.
POWER SUPPLY DOWN
VOLUME LEVEL -40dB
-42dB
soon pressed after power placed state level, oscillator actuated. When DOWN pressed, kept level long DOWN pressed, oscillator actuated down State, decreasing attenuation. Oscillation frequency decided 0.7Cx (Hz) 3Rx)
fOSC
S5A2250A01
DUAL ELECTRONIC VOLUME CONTROL
(100K)
(4.7µF)
(33K)
Down
DUAL ELECTRONIC VOLUME CONTROL
S5A2250A01
TEST CIRCUIT
0.012µF 100k 470k 120k DOWN 10µF KA4558 470k
S5A2250A01
KA4558 470k 470k
120k
S5A2250A01
DUAL ELECTRONIC VOLUME CONTROL
Attenuation Display Output S5A2250A01 provided with current output displaying attenuation. Steps attenuation from shown table below. current each step increased decreased approximately 100/uA. STEP 10*1 11*1 12*1 13*1 ATTENUATION 64dB 60dB 62dB 54dB 58dB 50dB 52dB 44dB 48dB 40dB 42dB 34dB 38dB 30dB 32dB 24dB 28dB 20dB 22dB 14dB 18dB 10dB 12dB -2dB
Current value fluctuate depending upon When high precision required variable resistor load resistor.
DUAL ELECTRONIC VOLUME CONTROL
S5A2250A01
BACKUP S5A2250A01, when power spon) VSS) level, shut current consumption reduced minimum. Backup means capacitor (C1) becomes possible this condition. shows example application when backup capacitor used.
S5A2250A01
NOTE: VDD-VSS become below 4.0V, backup impossible.
Initialization When Power S5A2250A01 built-in auto-initializing function initialization when power initializing system adopted through detection supply voltage level, rise power supply fast, initialization fully effected external initialization necessary) addition effective initialization, necessary that raised simultaneously with supply voltage. Further, initializing level -40dB. recommended raise supply voltage illustrated Fig.
VDD-VSS VDD-VSS voltage
NOTE: voltage between below 4.0V, auto-initializing function actuated.
S5A2250A01
DUAL ELECTRONIC VOLUME CONTROL
POWER SUPPLY S5A2250A01 able carry single power supply operation well split power supply operation. Split Power Supply
S5A2250A01
DOWN +VDD
-VSS
DUAL ELECTRONIC VOLUME CONTROL
S5A2250A01
Single Power Supply
S5A2250A01
DOWN
+VDD
-VSS
S5A2250A01
R248
2.2k
R255 R252 R253 R259 R258 R214 100k C215 1µF/50V R218 R257 2.2k R260 IC201 R236 R262 R263 2.2k 6.8k 2.2k R261 6.8k C247 2.2µF/50V R256 8.2k R209 R216 4.7k 2.2k 8.2k R235 3.3k C214 1µF/50V R217 C246 2.2µF/50V FROM TAPE R234 R213 100k C216 1µF/50V R215 4.7k
R249
6.8k
APPLICATION CIRCUIT
C213 1µF/50V C238 10µF/16V
R232
R210
C237 10µF/16V
R211
R269
100k
R212 100k
KA4558S
IC203
R202
S1A0065A
C207 1µF/50V C202 1µF/50V
C200 100µF/16V
R200 100k
R201 100k
C226 C221 C222 R265 4.7k
R203 100k 47µF/16V 47µF/16V C208 1µF/50V C220 C225 100µF/25V 220µF/10V Q202 R1009 R228 R229 R230 R226 R227 C227 1000µF/10V 1000pF R208 C232 C231 C233 1000µF/10V C209 1µF/50V R221 C219 100µF/25V C230 4.7µF/50V
100µF/25V
R204 100k
C201 1µF/50V
R223
C210 3.3µF/50V
S5A2250A01
R225 C229 4.7µF/50V C230 1000pF 1N4148
R222
C211 2.2µF/50V
IC202
C224
0.15µF
Q208 C945
Q210 A928 C235 1000µF/16V R267 R266 1.5k 1/2W R268 2.2k Q201 R1009
SYNCR VR-UP VR-DN
Q209 C1008
C206 2.2µF/50V R224 R207 C212 100µF/10V R264 Q207 C945 Q204 C945 Q203 C945 R231 4.7k C218 4.7µF/50V D202
1µF/50V 1µF/50V
C203 1µF/50V
D201 1N4148
C204
POWER
Q200 7809 RQ200 7805
C205
MICOM
C236 1µF/50V R220 R246 1.5A C241 Q205 A928 C234 D204 D203 C245 1µF/50V
MUTE P-SENS MICOM
R206
C205 100µF/10V
R205
R238 2.2k
R242 3.9k
R241 3.9k Q206 C1008 R240 1.5k D208 5.6V/1W
2200µF/25V
VR-UP
VR-DN
MUTE
POWER
D206
R244
P-SENS
C243 0.47µF /50V
R245 2.2k
C244 10µF /25V R243 4.7k 6.8k D207 1N4001
DUAL ELECTRONIC VOLUME CONTROL
C239 0.047µF
1N5404X5
D205
TRANS FORMER
220V 50Hz
C240 C242 C238 R239
R237 2.2k
SPEAKER OUTPUT
TAPE
R233 3.3k R254
TUNER
IC200
OPTION
R251 R250 6.8k 2.2k
KA4558S
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