MAX1491CNI+ Maxim Integrated Products, MAX1491CNI+ Datasheet - Page 12

• Manufacturer Part Number: MAX1491CNI+
• Description: IC ADC W/LCD DRIVER 28-DIP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1491CNI+

• Display Type: LCD
• Configuration: 7 Segment + 2 Annunciators
• Digits Or Characters: A/D 3.5 Digits
• Current - Supply: 980µA
• 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
• Interface: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

3.5- and 4.5-Digit, Single-Chip
ADCs with LCD Drivers
Figure 6. Backplane Connection for the MAX1491 (3.5 Digits)
Figure 7. Segment Connection for the MAX1491 (3.5 Digits)
Figure 8. Schematic of Display Digit
12
______________________________________________________________________________________
BP1
BP2
BP3
SEG9: F3, E3, DP3
DP
e
f
X
SEG8: A3, G3, D3
Y
a
g
d
HOLD
SEG10: PEAK, HOLD, BC4
HOLD
Z
b
c
DP
PEAK
PEAK
SEG7: B3, C3, MINUS
SEG6: F2, E2, DP2
LOW BATT
LOW BATT
SEG5: A2, G2, D2
SEG4: B2, C2, LOWBATT
SEG3: F1, E1, DP1
SEG2: A1, G1, D1
SEG1: B1, C1, ANNUNCIATOR
ANNUNCIATOR
BP1
BP2
BP3