MB4053 Datasheet, PDF (4/17 Pages) Fujitsu Component Limited. – 6-Channel 8-BIT A/D Converter

MB4053
s BLOCK DIAGRAM
I1 15
I2 ₁₃
I3 ₁₂
ANALOG
INPUT
I4 ₁₁
I5 ₁₀
I6 ₉
VREF ₈
RAMP START
VCC
(FROM MPU)
14
3
SAMPLE/RAMP
AMPLIFIER
ANALOG
MULTIPLEXER
VBE1
COMPARATOR
+
IR
–
7
RAMP STOP
(TO MPU)
DECODER
+
–
REFERENCE
CURRENT
GENERATOR
VBE2
16 1 2
A0 A1 A2
(FROM MPU)
6
RREF
54
GND CH
4