MAX1494CCJ+T Maxim Integrated Products, MAX1494CCJ+T Datasheet - Page 31

IC ADC W/LCD DRIVER 32-TQFP

MAX1494CCJ+T

Manufacturer Part Number
MAX1494CCJ+T
Description
IC ADC W/LCD DRIVER 32-TQFP
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX1494CCJ+T

Display Type
LCD
Configuration
7 Segment + 2 Annunciators
Interface
Serial
Digits Or Characters
A/D 4.5 Digits
Current - Supply
960µA
Voltage - Supply
2.7 V ~ 5.25 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Figure 23. 4–20mA Measurement
Figure 25. MAX1494 Transfer Function ±200mV Range
-1 - - - -
-19,999
1 - - - -
19,999
4–20mA
LCD
-0
-1
-2
2
1
0
ADC RESULT
>4E1Fh
4E1Fh
0002h
00001h
0000h
FFFFh
FFFEh
FFFDh
B1E0h
<B1E0h
R
______________________________________________________________________________________
-200mV
0.1µF
0.1µF
ANALOG INPUT VOLTAGE
R = 100
-10µV
3.5- and 4.5-Digit, Single-Chip ADCs
10
0
for ±200mV RANGE
10µV
for ±2V RANGE
AIN+
AIN-
MAX1492
MAX1494
±1.8.8.8.8
+200mV
Figure 24. MAX1494 Transfer Function, ±2V Range
Figure 26. MAX1492 Transfer Function ±200mV Range
-1 - - - -
-19,999
1 - - - -
-1 - - -
19,999
LCD
1 - - -
-1999
LCD
1999
-0
-1
-2
-0
-1
-2
2
1
0
2
1
0
ADC RESULT
ADC RESULT
>7CFh
7CFh
002h
001h
000h
FFFh
FFEh
FFDh
830h
<830h
>4E1Fh
4E1Fh
0002h
0001h
0000h
FFFFh
FFFEh
FFFDh
B1E0h
<B1E0h
with LCD Drivers
-200mV
-2V
ANALOG INPUT VOLTAGE
ANALOG INPUT VOLTAGE
-100µV 100µV
-100µV 100µV
0
0
+200mV
+2V
31

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