MAX1261 Datasheet, PDF (19/20 Pages) Maxim Integrated Products – 250ksps, +3V, 8-/4-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface

250ksps, +3V, 8-/4-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
Typical Operating Circuits
µP
CONTROL
INPUTS
CLK
V_LOGIC
MAX1261 V_DD
CS
REF
WR
REFADJ
RD
HBEN
INT
CH7
D7
CH6
D6
CH5
D5
CH4
D4
CH3
D3/D11
CH2
D2/D10
CH1
D1/D9
CH0
D0/D8
COM
GND
+1.8V TO +3.6V
+3V
+2.5V
0.1µF
4.7µF
µP
CONTROL
INPUTS
OUTPUT STATUS
ANALOG
INPUTS
CLK
V_LOGIC
MAX1263 V_DD
CS
REF
WR
REFADJ
RD
HBEN
INT
D7
D6
D5
D4
CH3
D3/D11
CH2
D2/D10
CH1
D1/D9
CH0
D0/D8
COM
GND
+1.8V TO +3.6V
+3V
+2.5V
0.1µF
4.7µF
OUTPUT STATUS
ANALOG
INPUTS
µP DATA BUS
µP DATA BUS
Pin Configurations (continued)
TOP VIEW
HBEN 1
D7 2
D6 3
D5 4
D4 5
D3/D11 6
D2/D10 7
D1/D9 8
D0/D8 9
INT 10
RD 11
WR 12
MAX1263
QSOP
24 V_LOGIC
23 V_DD
22 REF
21 REFADJ
20 GND
19 COM
18 CH0
17 CH1
16 CH2
15 CH3
14 CS
13 CLK
Ordering Information (continued)
PART
TEMP RANGE PIN-PACKAGE
MAX1263ACEG* 0°C to +70°C 24 QSOP
MAX1263BCEG* 0°C to +70°C 24 QSOP
MAX1263AEEG* -40°C to +85°C 24 QSOP
MAX1263BEEG* -40°C to +85°C 24 QSOP
* Future product—contact factory for availability.
INL
(LSB)
±0.5
±1
±0.5
±1
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