CDP68HC68A2M Intersil Corporation, CDP68HC68A2M Datasheet - Page 2

• Manufacturer Part Number: CDP68HC68A2M
• Description: CMOS Serial 10-Bit A/D Converter
• Manufacturer: Intersil Corporation

Pinouts
Block Diagram
CE
†
EXTERNAL REFERENCE MODE.
USED AS VOLTAGE INPUT IN
REGISTERS
AI0 / EXT. REF
STATUS
SPI CONTROL LOGIC
ADDRESS REGISTER
ADDRESS CONTROL
CONTROL LOGIC
6
LOGIC
MISO
MOSI
OSC
SCK
V
INT
CE
SS
REGISTERS
CONTROL
1
2
3
4
5
6
7
8
CDP68HC58A2E
6
3
TOP VIEW
(PDIP)
4
4
16
15
14
13
12
11
10
9
ACC LATCH COMPARATOR
CONTROL REGISTER
V
V
AI1
AI2
AI3
AI4
AI5
AI6
AI7
SS
DD
8
COMPARATOR
STABILIZED
CAR
CHOPPER
V
DD
CDP68HC68A2
3
4
2
4
3
AI0 / EXT. REF
MOSI
DATA REGISTERS (READ ONLY)
SUCCESSIVE APPROXIMATION
AI0
CAPACITOR SWITCH ARRAY
10-BIT CAPACITOR ARRAY
A/D CONVERTER LATCH
ANALOG MULTIPLEXER
STATUS REGISTER
CONTROL LOGIC
SHIFT REGISTER
ANALOG INPUTS
MISO
MOSI
OSC
SCK
V
INT
NC
NC
CE
SS
SCK
10
1
2
3
4
5
6
7
8
9
CDP68HC68A2M
8
8
10
8
TOP VIEW
(SOIC)
8
MISO
AI7
18
17
16
15
14
13
12
20
19
11
V
AI1
AI2
AI3
NC
NC
AI4
AI5
AI6
AI7
12
REFERENCE
DD
INTERRUPT
LOGIC
OSCILLATOR
OSC
INT