Datasheet

MAX1291/MAX1293
250ksps, +3V, 8-/4-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
______________________________________________________________________________________ 19
Typical Operating Circuits
V
DD
REF
REFADJ
CH6
CH5
CH4
CH3
CH2
CH1
CH0
COM
GND
4.7µF
0.1µF
+3V
+1.8V TO +3.6V
+2.5V
OUTPUT STATUS
µP
CONTROL
INPUTS
CLK
CS
WR
RD
D7
D6
D5
D4
D3/D11
D2/D10
D1/D9
D0/D8
µP DATA BUS
CH7
INT
HBEN
µP
CONTROL
INPUTS
ANALOG
INPUTS
V
LOGIC
MAX1291
V
DD
REF
REFADJ
CH3
CH2
CH1
CH0
COM
GND
4.7µF
0.1µF
+3V
+1.8V TO +3.6V
+2.5V
OUTPUT STATUS
CLK
CS
WR
RD
D7
D6
D5
D4
D3/D11
D2/D10
D1/D9
D0/D8
µP DATA BUS
INT
HBEN
ANALOG
INPUTS
V
LOGIC
MAX1293
TOP VIEW
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
V
LOGIC
V
DD
REF
REFADJ
GND
COM
CH0
CH1
CH2
CH3
CS
CLKWR
RD
INT
D0/D8
D1/D9
D2/D10
D3/D11
D4
D5
D6
D7
HBEN
QSOP
MAX1293
Pin Configurations (continued)
PART TEMP RANGE PIN-PACKAGE
INL
(LSB)
MAX1293ACEG
0°C to +70°C ±0.524 QSOP
MAX1293BEEG
MAX1293AEEG
-40°C to +85°C ±1
-40°C to +85°C ±0.524 QSOP
24 QSOP
Ordering Information (continued)
MAX1293BCEG 0°C to +70°C ±124 QSOP