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FDA803D 数据表(PDF) 6 Page - STMicroelectronics

部件名 FDA803D
功能描述  1 x 45 W class D digital input automotive power amplifier with diagnostics, wide voltage operation range for car audio and telematic
PDF  78 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

FDA803D 数据表(HTML) 6 Page - STMicroelectronics

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List of figures
FDA803D
6/78
DocID031487 Rev 2
List of figures
Figure 1.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 2.
Pins connection diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 3.
Application diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 4.
Efficiency and power dissipation (Vs = 14.4 V, RL = 1 x 4 Ω, f = 1 kHz sine wave) . . . . . . 17
Figure 5.
Efficiency and power dissipation (Vs = 14.4 V, RL = 1 x 4 Ω, f = 1 kHz pink noise) . . . . . . 17
Figure 6.
Efficiency and power dissipation (Vs = 14.4 V, RL = 1 x 2 Ω, f = 1 kHz sine wave) . . . . . . 17
Figure 7.
Efficiency and power dissipation (Vs = 14.4 V, RL = 1 x 2 Ω, f = 1 kHz pink noise) . . . . . . 17
Figure 8.
Efficiency and power dissipation (Vs = 14.4 V, RL = 1 x 8 Ω, f = 1 kHz sine wave) . . . . . . 17
Figure 9.
Efficiency and power dissipation (Vs = 14.4 V, RL = 1 x 8 Ω, f = 1 kHz pink noise) . . . . . . 17
Figure 10.
Efficiency and power dissipation (Vs = 18 V, RL = 1 x 4 Ω, f = 1 kHz sine wave). . . . . . . . 18
Figure 11.
Efficiency and power dissipation (Vs = 18 V, RL = 1 x 4 Ω, f = 1 kHz pink noise). . . . . . . . 18
Figure 12.
Efficiency and power dissipation (Vs = 16 V, RL = 1 x 2 Ω, f = 1 kHz sine wave) . . . . . . . 18
Figure 13.
Efficiency and power dissipation (Vs = 16 V, RL = 1 x 2 Ω, f = 1 kHz pink noise). . . . . . . . 18
Figure 14.
Efficiency and power dissipation (Vs = 18 V, RL = 1 x 8 Ω, f = 1 kHz sine wave). . . . . . . . 18
Figure 15.
Efficiency and power dissipation (Vs = 18 V, RL = 1 x 8 Ω, f = 1 kHz pink noise). . . . . . . . 18
Figure 16.
Efficiency and power dissipation (Vs = 3.3 V, RL = 1 x 4 Ω, f = 1 kHz sine wave) . . . . . . . 19
Figure 17.
Efficiency and power dissipation (Vs = 3.3 V, RL = 1 x 4 Ω, f = 1 kHz pink noise) . . . . . . . 19
Figure 18.
Efficiency and power dissipation (Vs = 3.3 V, RL = 1 x 2 Ω, f = 1 kHz sine wave) . . . . . . . 19
Figure 19.
Efficiency and power dissipation (Vs = 3.3 V, RL = 1 x 2 Ω, f = 1 kHz pink noise) . . . . . . . 19
Figure 20.
Efficiency and power dissipation (Vs = 3.3 V, RL = 1 x 8 Ω, f = 1 kHz sine wave) . . . . . . . 19
Figure 21.
Efficiency and power dissipation (Vs = 3.3 V, RL = 1 x 8 Ω, f = 1 kHz pink noise) . . . . . . . 19
Figure 22.
Output power vs. supply voltage (RL = 4 Ω, sine wave) . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 23.
Output power vs. supply voltage (RL = 2 Ω, sine wave) . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 24.
Output power vs. supply voltage (RL = 8 Ω, sine wave) . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 25.
THD vs. output power (VS = 14.4 V, RL = 4 Ω). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 26.
THD vs. output power (VS = 14.4 V, RL = 2 Ω). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 27.
THD vs. output power (VS = 14.4 V, RL = 8 Ω). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 28.
THD vs. frequency (VS = 14.4 V, RL = 4 Ω, PO = 1 W). . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 29.
THD vs. frequency (VS = 14.4 V, RL = 2 Ω, PO = 1 W). . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 30.
THD vs. frequency (VS = 14.4 V, RL = 8 Ω, PO = 1 W). . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 31.
Frequency response (1 W, RL = 4 Ω, f = 1 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 32.
Frequency response (1 W, RL = 2 Ω, f = 1 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 33.
Frequency response (1 W, RL = 8 Ω, f = 1 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 34.
PSRR vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 35.
Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Figure 36.
Dynamic range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 37.
FFT - Output spectrum (-60 dBFS input signal) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 38.
Finite state machine diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 39.
Operation vs. battery charge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 40.
Analog-Mute diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 41.
Digital-Mute diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 42.
Mixed mute diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 43.
Analog-Mute vs. Mixed-Mute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 44.
HWMute pin schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 45.
Response obtained with a limitation corresponding to 80% of the full-scale . . . . . . . . . . . 35
Figure 46.
Load range detection configured properly setting IB5 d7-d6 . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 47.
DC diagnostic before turn on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 48.
Short to VCC at device turn on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39



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