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BH2715FV Datasheet(PDF) 3 Page - Rohm

Part No. BH2715FV
Description  Successive Approximation A/D Converter
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Maker  ROHM [Rohm]
Homepage  http://www.rohm.com
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BH2715FV Datasheet(HTML) 3 Page - Rohm

 
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BH2715FV
3/14
© 2016 ROHM Co., Ltd. All rights reserved.
www.rohm.com
TSZ22111・15・001
TSZ02201-0RCR1N300010-1-2
25.Feb.2016 Rev.002
Block Diagram
1. MUX(Analog Multiplexer)
MUX is a group of analog switches which connects one of the input terminals IN0 through IN7 to the Track/Hold circuit
for A/D conversions. MUX is controlled by the 3-wire serial interface.
2. T/H(Track/Hold circuit)
Track/Hold circuit tracks the input terminal voltage before A/D conversion starts, and the input voltage is held just after
the A/D conversion starts. Even if the terminal voltage changes in the A/D conversion, it is possible to convert correctly
the input voltage which is captured just as the A/D conversion starts.
3. 10bit Charge-Redistribution DAC
The capacitor type D/A converter with the 10 bit resolution. It gives a comparison voltage for A/D conversion to the
voltage comparator.
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
CSB
AVDD AGND
IN1
IN2
IN3
IN4
IN5
IN6
IN7
IN0
DGND
DVDD
SDIN
SDOUT
SCLK
MUX
T/H
10bit Charge
Redistribution
DAC
Control
Logic
AVDD
AGND
+
-
DGND
DVDD


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