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YAC526 데이터시트 PDF




YAMAHA CORPORATION에서 제조한 전자 부품 YAC526은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 YAC526 자료 제공

부품번호 YAC526 기능
기능 Electric Variable Resistance 3
제조업체 YAMAHA CORPORATION
로고 YAMAHA CORPORATION 로고


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YAC526 데이터시트, 핀배열, 회로
YAC526
EVR3
Electric Variable Resistance 3
Outline
YAC526 (EVR3) is a 2ch high grade digital volume LSI for high-end audio systems.
Owing to its built-in high-quality sound operational amplifier, output with wide dynamic range and low distortion
www.DataSfhaecteotr4cUa.ncobme obtained.
YAC526 is able to control each channel through a serial data interface in 255 steps at 0.5dB per step, and
daisy chain connection can constitute a multichannel system.
Owing to its zero-cross detection function, the device is able to suppress audible noise that may occur at a quick
volume change.
Features
Built-in 2channel high sound quality operational amplifier.
Wide volume range.
31.5dB95.0dB, MUTE (0.5dB/step, 255 steps)
Maximum input signal amplitude
4.2Vrms (±6V power supply)
Low distortion (THD)
0.0002typ. (Input=1Vrms@1kHz, Gain=0dB
Low residual noise
1.2μVrms typ. (Gain=MUTE, IHF-A)
Power supply voltage
±4.75V〜±6.6V
Silicon gate CMOS process.
24-pin plastic SSOP. The plating of pins is lead-free.(YAC526-EZ)
YAC526 CATALOG
CATALOG No.:LSI-4AC526A2
2003.10




YAC526 pdf, 반도체, 판매, 대치품
YAC526
Description of functions
Analog functions
Maximum input voltage
The maximum amplitude of the input signal that is inputted to the analog input pin of YAC526 is 4.2Vrms when
power supply voltage is ±6V.
For a system to which a signal exceeding the power supply voltage (AVDD/AVSS) may be applied, use
external diodes to suppress the signal to the maximum rating or less.
Maximum output voltage
The maximum output voltage(THD<1) of the signal that is outputted from the analog output pin of YAC526 is
4.2Vrms when power supply voltage is ±6V and no load is connected. The output impedance is 100Ω (typ.).
Realization of low residual noise system
www.DatGaSenheereatl4aUud.cioomamplifiers are designed to have input sensitivity of approximately 150mV, and have a gain of
approximately 16dB at the preamplifier (PreAMP) section and approximately 30dB at the main amplifier section
(MainAMP).
The residual noise of YAC526 (Gain=MUTE) is 1.2μVrms (typ.) which is very small, and the device has positive
side gain (max: 31.5dB). Therefore, by using YAC526 also as ”PreAMP”, systems with a very small residual noise
and amplification of volume control noise can be configured.
For conventional configurations that need a ”PreAMP”, even if the residual noise of the volume control itself is
zero, the noise that is produced at the ”PreAMP” is amplified by the gain, the noise becomes very high when it is
heard at the speakers.
When the input converted noise of ”PreAMP” is 1μV, the conventional configuration produces noise of
approximately 200μV at the speakers. For the configuration that uses YAC526, the noise is 38μV which is very
small.
Residual noise produced by
conventional configuration
1μVrms
6.3μVrms 200μVrms
+16dB
+30dB
Residual noise produced by a
configuration that adopts YAC526
1.2μVrms 38μVrms
YAC526
Zin=10kΩ
+30dB
Volume
PreAMP MainAMP
-∞〜+16dB
Volume + PreAMP
MainAMP
4

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YAC526 전자부품, 판매, 대치품
YAC526
■Electrical characteristics
1.Absolute maximum rating
Item
Power supply voltage
Analog input terminal voltage
Symbol
AVDD-AVSS
VINA
Min.
AVSS -0.6
Digital input terminal voltage
VIND
AVSS -0.3
Storage temperature
TSTG
Note : Please use AVSS and DVSS with the same potential.
DGND=0V
-50
Max.
14.0
AVDD+0.6
and
VINA-AVSS < 14.0V
AVDD+0.3
and
VIND-AVSS < 14.0V
125
Unit
V
V
V
2. Recommended operating conditions
Item
Symbol
Min.
www.DataSheAent4aUlo.gcpoomwer supply voltage(Positive) AVDD
Analog power supply voltage(Negative) AVSS
(AVSS=DVSS)
DVSS
4.75
-6.60
-6.60
Operating ambient temperature
Ta
-40
Note : Please use AVSS and DVSS with the same potential.
DGND=0V
Typ.
6.00
-6.00
-6.00
Max.
6.60
-4.75
-4.75
85
Unit
V
V
V
3. Analog characteristics (Ta=25, AVDD=+6.0V, AVSS=-6.0V, DVSS=-6.0V)
Item Symbol
Gain range
Gain
Step size
Gain matching between channel (0-40dB, 1kHz)
Gain matching between channel (-80dB, 1kHz)
Step error (-80dB)
Input resistance
RI
Output resistance
RO
Load resistance
RL
Input capacitance
CI
Load capacitance
CL
Maximum input voltage (THD<1, RL=)
VI
Maximum output voltage (THD<1, RL=)
VO
Output noise voltage1 (In=GND, Vol=+16dB)
*1 Vn1
Output noise voltage2 (In=GND, Vol=0dB)
*1 Vn2
Output noise voltage3 (In=GND, Vol=Mute)
*1 Vn3
Total harmonic distortion (In=1Vrms, Vol=0dB, 1kHz) *2 THD1
Total harmonic distortion (In=1Vrms, Vol=0dB, 20kHz) *3 THD2
Inter channel isolation (Vol=0dB, 1kHz)
Cs
Min.
-95.0
5
Typ.
0.5
±0.1
±0.2
±0.1
10
100
10.0
2.5
1.2
0.0002
0.0025
-130
Note : *1 : Input of other channels are analog ground, Band Width=IHF-A
*2 : Input of other channels are analog ground, Band Width=400Hz30kHz
*3 : Input of other channels are analog ground, Band Width=400Hz
Max.
+31.5
10
100
4.2
4.2
Unit
dB
dB
dB
dB
dB
kΩ
Ω
kΩ
pF
pF
Vrms
Vrms
μVrms
μVrms
μVrms
dB
4. Power consumption
Item Symbol
Power consumption(AVDD=+6V, AVSS=-6V, CSN="H") PD
Min.
Typ.
150
Max.
Unit
mW
5. DC characteristics
Item
High level input voltage
Low level input voltage
Low level output voltage
Input leakage current
Symbol
VIH
VIL
VOL
ILI
Condition
IO= 1.5mA
Min.
2.2
-0.3
Typ.
Max.
AVDD+0.3
0.8
0.4
10
Unit
V
V
V
μA
7

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