MAX1492CNI+ Maxim Integrated Products, MAX1492CNI+ Datasheet - Page 32

• Manufacturer Part Number: MAX1492CNI+
• Description: IC ADC W/LCD DRIVER 28-DIP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1492CNI+

• Display Type: LCD
• Configuration: 7 Segment + 2 Annunciators
• Interface: Serial
• Digits Or Characters: A/D 3.5 Digits
• Current - Supply: 960µA
• Voltage - Supply: 2.7 V ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 28-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.5- and 4.5-Digit, Single-Chip ADCs
with LCD Drivers
Figure 27. MAX1492 Transfer Function ±2V Range
32
-1 - - -
LCD
1 - - -
-1999
1999
______________________________________________________________________________________
-0
-1
-2
2
1
0
ADC RESULT
>7CFh
7CFh
002h
001h
000h
FFFh
FFEh
FFDh
830h
<830h
V
4.7µF
IN
2.7V TO
5.25V
-2V
0.1µF
L
ISO
ANALOG INPUT VOLTAGE
10µF
0.1µF
0.1µF
0.1µF
-1mV
0
1mV
AIN+
AIN-
DVDD
AVDD
R
HI
LOWBATT
+2V
HOLD
R
LOW
(SEG1–SEG10)
V
SEG1–SEG13
NEG
PEAK
0.1µF
(MAX1492)
MAX1494
GND
LOW BATTERY
REF-
Typical Operating Circuit
REF+
4.7µF
CONNECTIONS
(MAX1494 ONLY)
BACKPLANE
V
DISP
DOUT
SCLK
EOC
CLK
DIN
CS