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BD37068FV-M_16

更新时间： 2024-09-10 01:07:19
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罗姆 - ROHM /
页数 文件大小 规格书
39页 2671K
描述
Sound Processor for car audio built-in High-Voltage function and 2nd order post filter

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BD37068FV-M_16 数据手册

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Datasheet  
Analog Sound Processors series  
Sound Processor for car audio  
built-in High-Voltage function and  
2nd order post filter  
BD37068FV-M  
General Description  
Key Specifications(Note1)  
TotalHarmonic Distortion：  
Maximum Input Voltage：  
It is built-in input selector of 6 stereo source and output  
to ADC after adjusting signal level. And built-in 2nd order  
post filter to reduce out of band noise and 6ch Volume  
circuit. It is possible to out until 5.2VRMS at maximum  
output. (High Voltage function) Moreover, it is simple to  
design set by built-in TDMA noise reduction systems.  
0.003%(Typ)  
2.2VRMS(Typ)  
55dB(Min)  
5.2VRMS(Typ)  
23μVRMS(Typ)  
Common Mode Rejection Ratio：  
Maximum Output Voltage：  
Output Noise Voltage：  
Residual Output Noise Voltage： 10.5μVRMS(Typ)  
Ripple Rejection:  
Operating Temperature Range:  
-70dB (Typ)  
-40˚C to +85˚C  
Features  
AEC-Q100 (Grade3) Qualified  
Built-in differential input selector that can select  
single-ended / differential input  
(Note1) These specifications are condition of High-Voltage ON.  
Reduce the pop noise when switching gain due to  
built-in advanced switch circuit  
Package  
W(Typ) x D(Typ) x H(Max)  
13.60mm x 7.80mm x 2.00mm  
Less out-of-band noise of DAC by built-in 2nd order  
post filter.  
SSOP-B40  
Built-in buffered ground isolation amplifier to realize  
high CMRR characteristics  
Built-in TDMA noise reduction circuit reduces the  
additional components for external filter.  
It is possible to output 5.2VRMS by High-Voltage  
function  
Package is SSOP-B40. Putting same direction  
input-terminals and output-terminals make PCB  
layout easier and PCB area smaller.  
Available to control by 3.3V/5V for I2C-bus  
controller  
Applications  
It is the optimal for the car audio. Besides, it is  
possible to use for the audio equipment of mini  
Compo, micro Compo.  
SSOP-B40  
Typical Application Circuit  
VCCL  
10µF  
VCCH  
INC  
INS  
IG1  
IG2  
OUTC OUTS OUTR1 OUTR2 OUTF1 OUTF2 INF2 INF1 INR2  
INR1  
GND SDA SCL  
10µF  
10µF 10µF 10µF 10µF  
10µF 10µF  
35  
2.2µF 10µF 10µF  
2.2µF  
2.2µF 2.2µF 2.2µF 2.2µF  
10µF  
VREF  
40  
39  
38  
37  
34  
33  
32  
31  
30  
29  
28  
27  
26  
24  
22  
25  
23  
21  
36  
Level  
Shift  
Level  
Shift  
Level  
Shift  
Level  
Shift  
Level  
Shift  
Level  
Shift  
VREF  
100kΩ  
100kΩ  
100kΩ  
100kΩ  
100kΩ  
100kΩ  
I2C-bus LOGIC  
Front mixing  
Sub  
Selector  
★
★
■Fader : +23dB to -79dB、-∞/1dBstep  
■Input Gain : +23dB to -15dB/1dBstep  
Sub  
Gain adjust  
Main Gain adjust  
Fader  
Fader  
Fader  
Fader  
Fader  
Fader  
■Front Mixing : on/off  
ATT★  
ATT★  
ATT★  
ATT★  
ATT★  
ATT★  
★ Advanced Switch  
2nd order LPF  
■2nd order LPF: fc=70kHz  
■Main/Sub Gain Adjust 0dB/6dB  
■Anti-TDMA noise circuit  
■High-Voltage Output  
Fader  
Fader  
Fader  
Fader  
Fader  
Fader  
Boost★  
Boost★  
Boost★  
Boost★  
Boost★  
Boost★  
Rear  
Selector  
Front  
Selector  
★
Input Gain  
Input selector (1 single  
GND  
-
end and  
GND  
5 stereo ISO)  
Differential  
amp  
Differential  
amp  
GND  
ISO  
GND  
ISO  
GND  
ISO  
GND  
GND  
ISO  
GND  
ISO  
amp  
amp  
amp  
amp  
amp  
ISO  
amp  
ISO  
amp  
amp  
ISO  
250kΩ 250kΩ  
250kΩ 250kΩ  
250kΩ  
250kΩ 250kΩ  
250kΩ  
250kΩ  
250kΩ  
250kΩ  
250kΩ  
250kΩ  
250kΩ  
100kΩ  
100kΩ 100kΩ 250kΩ 250kΩ  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
2.2µF  
2.2µF  
2.2µF 2.2µF 2.2µF 10µF 2.2µF 2.2µF 10µF 2.2µF 2.2µF 10µF 2.2µF 2.2µF 10µF  
BP2 CP1 CN CP2 DP1 DN DP2 EP1 EN EP2 FP1 FN1  
10µF  
10µF  
2.2µF 2.2µF  
MIN  
BN  
HIVOLB  
A1  
A2  
BP1  
FN2  
FP2  
Figure 1. Typical Application Circuit  
○Product structure：Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays.  
www.rohm.com  
TSZ02201-0C2C0E100130-1-2  
14.NOV.2016 Rev.002  
© 2014 ROHM Co., Ltd. All rights reserved.  
1/35  
TSZ22111・14・001  
 
 
 
 
 
 
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