MB4053 Fujitsu Microelectronics, Inc., MB4053 Datasheet - Page 13

• Manufacturer Part Number: MB4053
• Description: 6-channel 8-bit A/D Converter
• Manufacturer: Fujitsu Microelectronics, Inc.

1. Shince the impedance of the ramp capacitor pin is approximately 30 M
2. At V
3. Since RAMP STOP is an open collector output, an external pull-up resistor is required. (For example, when a
4. All digital inputs/output are TTL compatible.
5. The time from RAMP START input switching (0
6. t
7. t
8. I
9. 2 V
10.While and analog input voltage is being sampled, channel selection signals A
11.When I
nected in paralleled with this input. A ramp capacitor with no leakage must be used.
20 k external pull-up resistor is used.)
changed for (t
USAGE PRECAUTIONS
SL
R
R
.
. =
=
IN
t
C
V
A
I
V
= 0 V, t
R
CC
H
(max) =
R
REF
R
is little, Linearity Error extends. However, Linearity Error is 0.2 [% of FSR] or less in I
– V
REF
V
IN
(V
REF
R
, t
SL
has a finite value.
CC
).
R
150 A –1
(max)
– 2 V) and V
C
H
.
. =
R
C
1
R
H
REF
(V
V
REF
REF
5.25 V
+ 0.7 V)
1) to RAMP STOP output switching (1
(high), a resistance must not be con-
0
, A
1
, and A
2
must not be
0) is ramp time t
MB4053
R
(min) = 12 A.
R
.
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