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TS4621EIJT Scheda tecnica(PDF) 5 Page - STMicroelectronics |
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TS4621EIJT Scheda tecnica(HTML) 5 Page - STMicroelectronics |
5 / 32 page TS4621E Typical application schematics Doc ID 022201 Rev 1 5/32 2 Typical application schematics Figure 1. Typical application schematics for the TS4621E Table 3. TS4621E pin description Pin number Pin name Pin definition A1 SW Switching node of the buck converter A2 AVDD Analog supply voltage, connect to battery A3 VOUTL Output signal for left audio channel A4 INL- Negative input signal for left audio channel B1 AGND Device ground B2 C1 Flying capacitor terminal for internal negative supply generator B3 HPVDD Buck converter output, power supply for amplifier B4 INL+ Positive input signal for left audio channel C1 C2 Flying capacitor terminal for internal negative supply generator C2 PVSS Negative supply generator output C3 CMS Common mode sense, to be connected as close as possible to the ground of headphone/line out plug C4 INR+ Positive input signal for right audio channel D1 SDA I²C data signal, up to VCC tolerant input D2 SCL I²C clock signal, up to VCC tolerant input D3 VOUTR Output signal for right audio channel D4 INR- Negative input signal for right audio channel Rout 12 ohms min. Rout 12 ohms min. Cout 0.8 nF min. Cout 0.8 nF min. Cin 2.2 uF Cin 2.2 uF Cin 2.2 uF Cin 2.2 uF 1 2 3 J1 C12 2.2 uF Cs 2.2 uF Css 2.2 uF Ct 10 uF L1 3.3 uH Vbat I²C bus + - I2C Negative supply Positive supply AGnd C1 C2 SDA SCL AVdd InL- InL+ InR+ InR- VoutL VoutR CMS Level detector Level detector Sw HpVdd PVss Negative left input Positive left input Negative right input Positive right input AM06119 |
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