AN5278
Key Features
- 3±0.25 φ3.3±0.1
- 3±0.3 1 AN5278 s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 9 Sound input Low frequency input Tone control Volume control Ripple filter Negative feedback GND Sound output VCC Description ICs for Audio Common Use s Absolute Maximum Ratings Parameter Supply voltage Supply current Power dissipation
- 3 *1 *2 Symbol VCC ICC PD Topr Tstg Rating 35.0 2 1.6 -20 to +70 -55 to +150 Unit V A W °C °C Operating ambient temperature Storage temperature
- 1 Note) *1 : Ta = 25 °C except operating ambient temperature and storage temperature. *2 : Without input signal, VCC is up to 35 V. *3 : Power dissipation of the package at Ta = 70 °C. s Recommended Operating Range Parameter Supply voltage Symbol VCC Range 12 to 26 Unit V 2 ICs for Audio Common Use AN5278 s Electrical Characteristics at VCC = 18 V, RL = 8 Ω, f = 1 kHz, Vol. = 5.0 V, Tone = 2.5 V, Ta = 25 °C Parameter Quiescent current Voltage gain Total harmonic distortion Max. output power Max. output attenuation Symbol ICQ GV THD POmax Attmax Conditions No input signal Measure VCC current VO = 1 V[rms] GV = 20 log (VO/VIN) VO = 1 V[rms] BPF : 400 Hz to 30 kHz THD = 10 %, PO = VO2/RL VO = 1 V[rms] Vol. = max. → min. Attmax = 20 log [VO (Vol. = min.) / VO (Vol. = max.)] Min 20 27 4.3 -66 Typ 27 30 0.4 4.8 -69 Max 48 33 1.0 Unit mA dB % W dB Tone variable range 1 ∆GTC1 f = 15 kHz, VO = 1 V[rms] ∆GTC = 20 log [VO (Tone = 5.0 V) / VO (Tone = 2.5 V)] ∆GTC2 f = 15 kHz, VO = 1 V[rms] ∆GTC = 20 log [VO (Tone = 0 V) / VO (Tone = 2.5 V)] 7 9 dB Tone variable range 2 -11 -9 dB
- Design reference data Note) The characteristic values below are theoretical values for designing and not guaranteed. Parameter Input dynamic range Output DC bias Max. output power 1 Max. output power 2 Symbol DRIN VODC POmax1 POmax2 Conditions VVOL = 1 V vary VIN until output THD = 1 % No input signal Measure Pin8 DC THD = 10 %, VCC = 18.4 V PO = VO2/RL THD = 10 %, VCC = 26 V PO = VO2/RL Min Typ 4.5 Max Unit V[rms]
- 3 5 9
- 7 V W W 3 AN5278 s Application Circuit Example ICs for Audio Common Use In 1 LF 2 Tone 3 Vol. 4 RF 5 NF 6 GND 7 Out 8 VCC 9 Input 33 µF 330 Ω 10 µF 6.2 kΩ 0.01 µF
