MAX1494CCJ+ Maxim Integrated Products, MAX1494CCJ+ Datasheet - Page 17

• Manufacturer Part Number: MAX1494CCJ+
• Description: IC ADC 4.5 DGT LCD DVR 32-TQFP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1494CCJ+

• 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
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 11. Voltage Waveforms on the g Segment
______________________________________________________________________________________
g, d OFF
a, g ON
d OFF
a ON
ALL
ALL
OFF
ON
3.5- and 4.5-Digit, Single-Chip ADCs
V
VOLTAGE CONTRAST RATIO = V
φ1, φ2, φ3 - - BP HIGH WITH RESPECT TO SEGMENT (BP+ TIME)
φ1', φ2', φ3' - - BP LOW WITH RESPECT TO SEGMENT (BP- TIME)
BP1 ACTIVE DURING φ1 AND φ1'
BP2 ACTIVE DURING φ2 AND φ2'
BP3 ACTIVE DURING φ3 AND φ3'
G
φ1
= V
Y
- V
BP2
φ2
(DIFFERENCE BETWEEN SEGMENT LINE Y AND BP2 VOLTAGE)
φ3
RMSON
φ1'
/ V
RMSOFF
= 1.922V
φ2'
φ3'
with LCD Drivers
0
0
0
0
V
-V
V
-V
V
-V
V
-V
LCD
P
P
P
P
P
P
P
V
V
V
V
RMS
RMS
RMS
RMS
= V
= V
= 1.92V
= 1.92V
LCD
LCD
/3 OFF
/3 OFF
LCD
LCD
/3 ON
/3 ON
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