User Guide PAM8403H-EV Board (Diodes) - 4
| Hersteller | Diodes |
| Beschreibung | 3W Stereo Class D in SOP-16 package |
| Seiten / Seite | 6 / 4 — PAM8403H. EVB User Guide. 7. EV Board BOM List. Item. Value. Type. … |
| Dateiformat / Größe | PDF / 1.2 Mb |
| Dokumentensprache | Englisch |
PAM8403H. EVB User Guide. 7. EV Board BOM List. Item. Value. Type. Rating. Description. Vender and port. 8. External Components Selection
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PAM8403H EVB User Guide 7. EV Board BOM List Item Value Type Rating Description Vender and port
X5R/X7R, TMK107B7474KA-TR C5,C7 0.47µF 25V Input coupling CAP Ceramic/0603 X5R/X7R, TMK107B7105KA-T C2,C9 1µF 25V VDD coupling CAP, Ceramic/0603 X5R/X7R, TMK316AB7106KL-T C1,C10 10µF 25V VDD main coupling CAP, Ceramic/0805 X5R/X7R, UMK212B7104KG-T C4 0.1µF 25V VREF Ceramic/0603 CAP X5R/X7R, C3 1µF 25V Decoupling CAP TMK107B7105KA-T Ceramic/0603 C15 220µF 10V Decoupling CAP R1, R2 20K 1% Input Resistor R3, R5 NC C6,C8 NC FB1,FB2, Wurth 330Ω 0805 2A FB3,FB4 For EMI eliminate 724 792 037 components C11,C12, TMK063B7102KP-F 1nF 0603 25V form a FB-CA P filter C13,C14
8. External Components Selection Input Capacitors (C5, C7)
(1) Form a high pass filter with Ri, and the cut off frequency is fc=1/2*Π*Ri*Ci (2) Have a tolerance of 10% or better for matching: any mismatch in capacitance causes an importance mismatch at the corner frequency and below (3) Low leakage current needed, 0.47µF, X5R/X7R ceramic recommend
Input Resistors (R2, R4)
(1) Limit the closed-loop gain (2) Form a high pass filter with Ci, and the cut off frequency is fc=1/2*Π*Ri*Ci (3) 1% tolerance needed for resistor matching to improve CMRR, PSRR
Power Supply decoupling Caps (C2, C3, C9, C1, C10)
(1) Low ESR for good THD, PSRR (2) 1uF ceramic for higher frequency transients, spikes, or digital hash on the line of PVDD/VDD (3) Additional 10µF or greater for low frequency noise filtering and serves as a local storage capacitor for supplying current during large signal transients on the amplifier outputs (4) Need place very closed to the IC
VREF Capacitor (C4)
(1) 1µF, X5R/X7R ceramic recommended (2) Place very closed to the device
EMI Eliminate Filter (FB1, FB2, FB3 and FB4)
(1) High impedance at high frequency and very low impedance at low frequency (2) The current rating is higher than 2A This application note contains new product information. Diodes, Inc. reserves the right to modify the product specification without notice. No liability isassumed as a result of the use of this product. No rights under any patent accompany the sale of the product.
X5R/X7R, TMK107B7474KA-TR C5,C7 0.47µF 25V Input coupling CAP Ceramic/0603 X5R/X7R, TMK107B7105KA-T C2,C9 1µF 25V VDD coupling CAP, Ceramic/0603 X5R/X7R, TMK316AB7106KL-T C1,C10 10µF 25V VDD main coupling CAP, Ceramic/0805 X5R/X7R, UMK212B7104KG-T C4 0.1µF 25V VREF Ceramic/0603 CAP X5R/X7R, C3 1µF 25V Decoupling CAP TMK107B7105KA-T Ceramic/0603 C15 220µF 10V Decoupling CAP R1, R2 20K 1% Input Resistor R3, R5 NC C6,C8 NC FB1,FB2, Wurth 330Ω 0805 2A FB3,FB4 For EMI eliminate 724 792 037 components C11,C12, TMK063B7102KP-F 1nF 0603 25V form a FB-CA P filter C13,C14
8. External Components Selection Input Capacitors (C5, C7)
(1) Form a high pass filter with Ri, and the cut off frequency is fc=1/2*Π*Ri*Ci (2) Have a tolerance of 10% or better for matching: any mismatch in capacitance causes an importance mismatch at the corner frequency and below (3) Low leakage current needed, 0.47µF, X5R/X7R ceramic recommend
Input Resistors (R2, R4)
(1) Limit the closed-loop gain (2) Form a high pass filter with Ci, and the cut off frequency is fc=1/2*Π*Ri*Ci (3) 1% tolerance needed for resistor matching to improve CMRR, PSRR
Power Supply decoupling Caps (C2, C3, C9, C1, C10)
(1) Low ESR for good THD, PSRR (2) 1uF ceramic for higher frequency transients, spikes, or digital hash on the line of PVDD/VDD (3) Additional 10µF or greater for low frequency noise filtering and serves as a local storage capacitor for supplying current during large signal transients on the amplifier outputs (4) Need place very closed to the IC
VREF Capacitor (C4)
(1) 1µF, X5R/X7R ceramic recommended (2) Place very closed to the device
EMI Eliminate Filter (FB1, FB2, FB3 and FB4)
(1) High impedance at high frequency and very low impedance at low frequency (2) The current rating is higher than 2A This application note contains new product information. Diodes, Inc. reserves the right to modify the product specification without notice. No liability isassumed as a result of the use of this product. No rights under any patent accompany the sale of the product.