MAX1497 Datasheet, PDF (30/33 Pages) Maxim Integrated Products – 3.5- and 4.5-Digit, Single-Chip ADCs with LED Drivers and μC Interface

3.5- and 4.5-Digit, Single-Chip ADCs with LED
Drivers and µC Interface
Typical Operating Circuits
V_IN
10µF
0.1µF
2.7V TO
5.25V
SEGA–SEGDP
AIN+
SEGMENT
AIN-
CONNECTIONS
V_DD
MAX1497
VLED
DIG0–DIG3
DIGIT
CONNECTIONS
CLK
SCLK
CS
DIN
µC
DOUT
EOC
I_SET
V_NEG
GND REF- REF+
GLED
25kΩ
0.1µF
4.7µF
SEGA–SEGDP
V_IN
AIN+
SEGMENT
AIN-
CONNECTIONS
LOWBATT
VLED
DV_DD
10µF
0.1µF
MAX1499
AV_DD
DIG0–DIG4
DIGIT
CONNECTIONS
CLK
SCLK
CS
DIN
µC
DOUT
EOC
L_ISO
2.7V TO
5.25V
0.1µF
10µF
I_SET
25kΩ
V_NEG
0.1µF
GND REF-
REF+
GLED
4.7µF
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