YDA131-E Yamaha, YDA131-E Datasheet
YDA131-E
Available stocks
Related parts for YDA131-E
YDA131-E Summary of contents
Page 1
... Sleep function by SLEEP terminal Output mute function by MUTE terminal Over current detection function of speaker terminal end (Ground short-circuiting, Load short-circuiting) High temperature detection function Pop noise suppression function at turn-on and turn-off Analog input/BTL(Bridge-Tied Load)output 24-pin plastic SSOP (YDA131-E) D-1 =4Ω L =4Ω L =4Ω ...
Page 2
... Terminal configuration YDA131-E VPL INL VREFL VSSL VDDL VSS PROT VDDR VSSR VREFR INR VPR Terminal functions No. Name I/O VPL INL AI VREFL VSSL − 5 VDDL − − 6 VSS 7 PROT O VDDR − 8 VSSR − 9 VREFR INR AI 12 VPR AO 13 MUTE ...
Page 3
... YDA131 Internal block diagram 1 VPL 2 INL 3 VREFL 24 SLEEP 13 MUTE 7 PROT 12 VPR 11 INR 10 VREFR Balanced Digital Modulation Unit (L channel) Pop Noise Over Rejection Temperature Detection SRFF Balanced Digital Modulation Unit (R channel) VDDPL 19 OUTPL VSSPL VDDPL 21 OUTML VSSPL 6 Over Current Detection 6 VDDPR 18 OUTPR ...
Page 4
... At this time the power consumption is minimized, and warning signal (PROT terminal output) is set at "L" level. When SLEEP terminal is set at "L" level, this IC goes into normal operation after sufficient time (starting time) to make each reference voltage reaches a fixed potential. 4 YDA131 ...
Page 5
... YDA131 MUTE (Terminal No.13) [Digital-IN] This is the output shut-off control terminal. The terminal controls both channels at the same time. When MUTE terminal is set at "H" level, all of the output buffer terminals, OUTPL, OUTML, OUTPR and OUTMR output "L" level, and this IC changes in mute state. ...
Page 6
... Ω 47k R I Ω 7.5k π VPL( INL( )/ YDA131 ) of 10k F Ω )=47k and the gain of the first stage added, whereby this capacitor I VPL(1) INL( π Ω or ...
Page 7
... YDA131 Gain(dB) Gain of first stage inversion operational amplifier Figure 3: Frequency characteristic at low band boost Mute function When MUTE terminal is set at "H" level, all of the output buffer terminals, OUTPL, OUTML, OUTPR and OUTMR, output "L" level, and this IC changes into mute state. When MUTE terminal is set at "L" level, all of the output buffer terminals, OUTPL, OUTML, OUTPR and OUTMR, output digital pulse signal ...
Page 8
... PROT terminal output connection circuit example" is the connection circuit example for the case LPF (low pass filter) and fall delay circuit are attached to PROT terminal and connected to SLEEP terminal. Figure 4: PROT terminal output connection circuit example 8 R PROT(7) C SLEEP(24) YDA131 Fall delay circuit ...
Page 9
... YDA131 Pop noise reduction function This IC includes pop noise reduction function that works when turning on and shutting off the power supply, and controlling the mute or sleep functions. When turn on the power supply This mute state immediately after turning on the power supply. ...
Page 10
... D θ ja Ω ) when the cut-off frequency is set at 50kHz are as shown in the L Load impedance Ω 4 10µH Ω 8 22µH Ω 16 39µH YDA131 ja Ω higher 1µF 0.47µF 0.27µF represents L ...
Page 11
... YDA131 Application circuit C F 82pF C I VPL 10µF/16V INL R F 47k R I 7.5k L VREFL C R1 33µF/16V VDDL L SLEEP L PROT VDDL MUTE L VSS 82pF C I VPR 10µF/16V INR R F 47k R I 7.5k R VREFR C R1 33µF/16V R VDDL 1µF ...
Page 12
... Maximum efficiency Output offset voltage V O Note. All the analog characteristics shown above are the values obtained on the DMB-D1, Yamaha's YDA131 evaluation board. The characteristics may vary according to the coils and capacitors that are used, pattern layout and other factors. These values do not guarantee the characteristics at V ...
Page 13
... YDA131 Characteristics example Frequency[Hz] Frequency[Hz] 13 ...
Page 14
... Efficiency - Power [VDD=5.0V] Frecuency characteristics [VDD=5.0V Frecuency [Hz] 14 YDA131 Efficiency - Power [VDD=3.3V] Frecuency characteristics [VDD=3.3V Frecuency [Hz] ...
Page 15
... YDA131 Output noise spectrum Frequency [Hz] Max power - Power supply voltage Power supply voltage [V] Frequency [Hz] VDD=5.0V±500mVpp CR1=33µF RL=4 Output noise spectrum Output noise - Gain Ω VDD=3.3V±300mVpp CR1=33µF RL=4 Frequency [Hz] Frequency [Hz] Ω 15 ...
Page 16
... MITSUMI ELECTRIC CO., LTD. http://www.mitsumi.co.jp/english/Support/index.html 16 Contacts Hamagomu Bldg. 5-36-11,Shinbashi,Minato-ku, Tokyo, 105-8677,Japan Mr.Hirofumi Hoshino Manager, Sales Section Electroic Materials Sales Dept. Electroic Sales Div. E-MAIL:hoshino@fdk.co.jp Tel:(81)-3-5473-4662, Fax:(81)-3-3431-9436 YDA131 Model numbers D62LCB / A918CY-100M D53LC / A915AY-100M CD-C-0506A-100 CD-C-0506C-100 [Trial product] C5-K1.8L / R-12 A088 EA C5-K2L / R-12 A077 EA ...
Page 17
... YDA131 YDA131-E 8.20±0. 0.30±0.10 端子厚さ:0.20±0.10 or 0.22±0.10 (LEAD THICKNESS) カッコ内の寸法値は参考値とする。 モールド外形寸法はバリを含まない。 ...
Page 18
... Head Office 203, Matsunokijima, Toyooka-mura, Iwata-gun, Shizuoka-ken, 438-0192, Japan Tel. +81-539-62-4918 Tokyo Office 2-17-11, Takanawa, Minato-ku, Tokyo, 108-8568, Japan Tel. +81-3-5488-5431 Osaka Office 3-12-12, Minami Senba, Chuo-ku Osaka City, Osaka, 542-0081, Japan Tel. +81-6-6252-6221 YDA131 Fax. +81-539-62-5054 Fax. +81-3-5488-5088 Fax. +81-6-6252-6229 Printed in Japan ...