M62421SP Renesas Electronics Corporation., M62421SP Datasheet
M62421SP
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M62421SP Summary of contents
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... M62421SP/FP Tone and Volume Controller with 2 Line Control Outline M62421SP/FP is the tone and volume controller with 2 line control. This IC can apply the broad application because of low noise and distortion. Feature • Tone (Bass/Treble) control and 1 dB step volume control are enabled. ...
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... M62421SP/FP Block Diagram 20 VR2 VR1 ref 1 REJ03F0208-0201 Rev.2.01 Mar 31, 2008 Page 420 Ω 1 1.8 k 420 Ω – VR3 VR5 SIMAMP2 117 k 200 k ref 200 TONE AMP2 + – 6 6.4 k – ref VOLAMP2 VOLAMP1 ref – 6 6.4 k – + TONE AMP1 200 k ref 200 k ...
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... M62421SP/FP Pin Description Pin No. Pin Name 1 REF 2 CH1 IN 3 SIMIN1 4 SIMOUT1 5 BASS1 6 TRE1 7 OUT1 8 DGND 9 DAT 10 CLK DVDD 13 AGND 14 OUT2 15 TRE2 16 BASS2 17 SIMOUT2 18 SIMIN2 19 CH2 IN 20 AVDD REJ03F0208-0201 Rev.2.01 Mar 31, 2008 Page I/O Description I Reference voltage terminal for analog I Input terminal (ch1) ...
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... M62421SP/FP Absolute Maximum Ratings Item Analog supply voltage AVdd Digital supply voltage DVdd Power dissipation Pd Thermal derating ratio Kθ Operating temperature Topr Storage temperature Tstg Recommended Operating Condition Item Analog supply voltage Digital supply voltage H level input voltage (logic circuit) L level input voltage (logic circuit) REJ03F0208-0201 Rev ...
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... M62421SP/FP Electric Characteristics (Ta = 25°C, AVdd = 9 V, DVdd = 5 V and bass and treble = 0 dB unless otherwise noted) (1) Supply Voltage Item Symbol Analog supply current Icc Digital supply current Idd (2) I/O Characteristics Item Symbol Maximum input voltage VIM Output voltage Vodc Gain ...
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... M62421SP/FP Function Explanation Equivalent Circuit of Tone Control The resonance circuit is able to construct by using built-in amplifier for simulated inductor. (Shows the constant as follow Figure 1 The circuit used simulated inductor Center frequency: C1 • C2 • R1 • R2 [Hz 2π (C2 • R2) / (C1 • R1 Example: BASS band (f ≈ 100 Hz 1.8 kΩ ...
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... M62421SP/FP Input Data Format Input direction 0/1 0/1 TREBLE 0: BOTH 1: ONLY 1CHANNEL 0: 1ch 1: 2ch REJ03F0208-0201 Rev.2.01 Mar 31, 2008 Page VOLUME BASS 1 These functions are effective only VOLUME data 0: MUTE OFF 1: MUTE ON DATA SELECT 0: VOLUME/MUTE 1: BASS/TREBLE D9 D10 D11 D12 0 0 pin (11 pin) is " ...
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... M62421SP/FP Volume Control Volume Code ATT – – – – – – – – – – – – – – – – – – – – –∞ Tone Level Control Tone Code – – – – – – Note: Not used "HHHH", "LHHH", "HLLL" ...
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... M62421SP/FP Data and Clock CLK D0 D1 DAT DATA is read by CLK rise edge. Bus Line Timing Specification 75% 25 Item CLK clock frequency The HIGH period of the clock The LOW period of the clock Rise time of CLK line Fall time of CLK line Set-up time DATA Hold time DATA REJ03F0208-0201 Rev ...
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... M62421SP/FP Level Diagram INPUT TERMINAL CH1 IN ref –∞ dB 117 k ref INPUT TERMINAL CH2 IN REJ03F0208-0201 Rev.2.01 Mar 31, 2008 Page 6.4 kΩ – + VOLAMP1 – + 1.8 k Same to CH1 – +12 dB 6.4 kΩ G2 – + OUTPUT TONEAMP1 TERMINAL CH1 OUT OUTPUT TERMINAL CH2 OUT ...
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... M62421SP/FP Logic Circuit CS DAT CLK REJ03F0208-0201 Rev.2.01 Mar 31, 2008 Page – + TONE AMP1 Level shifter Level shifter for volume control Decoder,Iatch for tone control Timing generator Shift register Analog block ref VOLAMP1 + – Decoder,Iatch ...
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... M62421SP/FP Application Example 2.2 µF IN2 Reference circuit example 470 µF 4.7 k 4.7 k Reference voltage 2.2 µF IN1 REJ03F0208-0201 Rev.2.01 Mar 31, 2008 Page 0.033 µF 0.47 µF 0.022 µ 420 Ω 1 – VR3 SIMAMP2 117 k ref 6.4 k VR2 + – ref VOLAMP2 ...
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... M62421SP/FP Package Dimensions JEITA Package Code RENESAS Code P-SDIP20-6.3x19-1.78 PRDP0020BA SEATING PLANE JEITA Package Code RENESAS Code P-SOP20-5.3x12.6-1.27 PRSP0020DA Index mark * REJ03F0208-0201 Rev.2.01 Mar 31, 2008 Page Previous Code MASS[Typ.] 20P4B 1. Previous Code MASS[Typ.] 20P2N-A 0. NOTE) 1. DIMENSIONS "*1" AND "*2" ...
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Notes: 1. This document is provided for reference purposes only so that Renesas customers may select the appropriate Renesas products for their use. Renesas neither makes warranties or representations with respect to the accuracy or completeness of the information contained ...