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BD37069FV-E2 Scheda tecnica(PDF) 1 Page - Rohm |
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BD37069FV-E2 Scheda tecnica(HTML) 1 Page - Rohm |
1 / 41 page Datasheet ○ Product structure:Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays 1/37 TSZ02201-0C2C0E100270-1-2 © 2016 ROHM Co., Ltd. All rights reserved. 12. MAY. 2016 Rev.001 www.rohm.com TSZ22111・14・001 Sound Processor for Car Audio with Built-in High-Voltage Amplifier and 2nd Order Post Filter BD37069FV-M General Description BD37069FV-M is a sound processor developed for car audio with built-in selector of six stereo inputs and output interfaced to ADC after adjusting signal level. BD37069FV-M has a 6-channel volume circuit and built-in 2 nd order post filter which reduces the out-of -band noise. The High-Voltage function is capable to reach up to 5.2VRMS maximum output. Furthermore, the IC is simple to design due to the built-in TDMA noise reduction systems. Features AEC-Q100 Qualified (Note1) Built-in differential input selector that can select single-ended / differential input Reduce switching pop noise of input gain control due to the built-in advanced switch circuit Less out-of-band noise of DAC by built-in 2 nd order post filter Built-in buffered ground isolation amplifier to achieve high CMRR characteristics Built-in TDMA noise reduction circuit reduces the additional components for external filter Available to output 5.2VRMS by High-Voltage function (This device is possible to 3.2VRMS output by using another High-Voltage mode, VCCH=11.5V) Available to control by 3.3V / 5V for I 2C-bus controller The input and output terminals are located together to arrange the flow of signal in a same direction making the PCB layout easier and PCB area smaller (Note 1) Grade 3 Key Specifications (Note2) Total Harmonic Distortion: 0.003%(Typ) Maximum Input Voltage: 2.1VRMS(Typ) Common Mode Rejection Ratio : 55dB(Min) Maximum Output Voltage: 5.2VRMS(Typ) Output Noise Voltage: 23μVRMS(Typ) Residual Output Noise Voltage: 10.5μVRMS(Typ) Ripple Rejection Ratio: -70dB (Typ) Operating Temperature Range: -40°C to +85°C (Note2)These specifications are High-Voltage mode2. Package W(Typ) x D(Typ) x H(Max) SSOP-B40 13.60mm x 7.80mm x 2.00mm Applications Car Audio and Other Audio Equipment Typical Application Circuit ★ ★ Main Gain adjust MIN Sub SEL Sub Gain adjust Advanced Switch Rear SEL Front SEL 2nd order LPF Fader ATT★ Level Shift FP2 FN2 FN1 FP1 EP2 EN EP1 DP2 DN DP1 CP2 CN CP1 B2 B1 A2 A1 IG1 IG2 INF2 INF1 INR2 INR1 INS INC OUTC OUTS OUTR1 OUTR2 OUTF1 OUTF2 CD USB AUX BT AUX TUN DAC DSP ADC NAVI 2nd order LPF 2nd order LPF 2nd order LPF 2nd order LPF 2nd order LPF Fader ATT★ Fader ATT★ Fader ATT★ Fader ATT★ Fader ATT★ Level Shift Level Shift Level Shift Level Shift Level Shift BD37069FV-M Fader boost★ Fader boost★ Fader boost★ Fader boost★ Fader boost★ Fader boost★ Figure 1. Typical Application Circuit |
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