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WM9093ECS/R データシート(PDF) 7 Page - Wolfson Microelectronics plc |
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WM9093ECS/R データシート(HTML) 7 Page - Wolfson Microelectronics plc |
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7 / 84 page  Production Data WM9093 w PD, March 2012, Rev 4.2 7 ELECTRICAL CHARACTERISTICS Test Conditions SVDD = 3.6V, HPVDD=1.8V, GND=0V, TA = +25 oC, 1kHz signal, PGA gain = 0dB unless otherwise stated PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Analogue Input Pin Maximum Signal Levels Maximum Full-Scale Input Signal Level for inputs IN1+/- and IN2+/- Single-ended input 1.0 Vrms Differential input 1.0 Vrms Maximum Full-Scale Input Signal Level for inputs IN3+/- Differential input 0.56 Vrms Analogue Input Pin Resistance Line Input Resistance IN1+/- and IN2+/- Differential or Single- Ended Mode 8 10 15 k Line Input Resistance IN3+/- Differential Mode Note that gain is controlled by SKOUTLBOOST[2:0] and SPK_ATTN_FB Speaker Boost = +12dB 42 k Speaker Boost = +9dB 60 k Speaker Boost = +7.5dB 71 k Speaker Boost = +6dB 85 k Speaker Boost = +4.5dB 101 k Speaker Boost = +3dB 120 k Speaker Boost = +1.5dB 143 k Speaker Boost = 0dB (SPK_ATTN_FB=0) 170 k Speaker Boost = 0dB (SPK_ATTN_FB=1) 42 k Speaker Boost = -3dB 60 k Speaker Boost = -4.5dB 71 k Speaker Boost = -6dB 85 k Speaker Boost = -7.5dB 101 k Speaker Boost = -9dB 120 k Speaker Boost = -10.5dB 143 k Speaker Boost = -12dB 170 k Input Programmable Gain Amplifiers (PGAs) IN1A, IN1B, IN2A and IN2B Minimum Programmable Gain -6 dB Maximum Programmable Gain +18 dB Mute Attenuation 80 dB Common Mode Rejection Ratio Differential Mode (217Hz input) 45 dB Output Programmable Gain Amplifiers (PGAs) SPKVOL, HPOUT1LVOL and HPOUT1RVOL Minimum Programmable Gain -57 dB Maximum Programmable Gain +6 dB Programmable Gain Step Size Guaranteed monotonic 1 dB Mute Attenuation HPOUT1LVOL and HPOUT1RVOL 75 dB SPKVOL 66 dB |
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