Purchase ICL7139, In-stock ICL7139 From SeekIC.
Part Number: ICL7139
Description: The Intersil ICL7139 and ICL7149 are high performance, low power, auto-ranging digital multimeter lCs. Unlike other aut...
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ICL7139
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DataSheet
General Description
ICL7139 General Description
The Intersil ICL7139 and ICL7149 are high performance, low power, auto-ranging digital multimeter lCs. Unlike other autoranging multimeter ICs, the ICL7139 and ICL7149 always display the result of a conversion on the correct range. There is no "range hunting" noticeable in the display. The unit will autorange between the four different ranges. A manual switch is used to select the 2 high group ranges. DC current ranges are 4mA and 40mA in the low current group, and 400mA and 4A in the high current group. Resistance measurements are made on 4 ranges, which are divided into two groups. The low resistance ranges are 4/40k. The high resistance ranges are 0.4/4MW. Resolution on the lowest range is 1.
ICL7139 Maximum Ratings
Supply Voltage (V+ to V-) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Reference Input Voltage (VREF to COM) . . . . . . . . . . . . . . . . . . . 3V
Analog Input Current (IN + Current or IN + Voltage) . . . . . . . 100A
Clock Input Swing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V+ to V+ -3
Reference Input Voltage (VREF to COM) . . . . . . . . . . . . . . . . . . . 3V
Analog Input Current (IN + Current or IN + Voltage) . . . . . . . 100A
Clock Input Swing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V+ to V+ -3
ICL7139 Features
• 13 Ranges - ICL7139
- 4 DC Voltage 400mV, 4V, 40V, 400V
- 1 AC Voltage 400V
- 4 DC Current 4mA, 40mA, 400mA, 4A
- 4 Resistance 4kW, 40kW, 400kW, 4MW
• 18 Ranges - ICL7149
- 4 DC Voltage 400mV, 4V, 40V, 400V
- 2 AC Voltage with Optional AC Circuit
- 4 DC Current 4mA, 40mA, 400mA, 4A
- 4 AC Current with Optional AC Circuit
- 4 Resistance 4k, 40k, 400k, 4M
• Autoranging - First Reading is Always on Correct Range
• On-Chip Duplex LCD Display Drive Including Three Decimal Points and 11 Annunciators
• No Additional Active Components Required
• Low Power Dissipation - Less than 20mW - 1000 Hour Typical Battery Life
• Display Hold Input
• Continuity Output Drives Piezoelectric Beeper
• Low Battery Annunciator with On-Chip Detection
• Guaranteed Zero Reading for 0V Input on All Ranges
- 4 DC Voltage 400mV, 4V, 40V, 400V
- 1 AC Voltage 400V
- 4 DC Current 4mA, 40mA, 400mA, 4A
- 4 Resistance 4kW, 40kW, 400kW, 4MW
• 18 Ranges - ICL7149
- 4 DC Voltage 400mV, 4V, 40V, 400V
- 2 AC Voltage with Optional AC Circuit
- 4 DC Current 4mA, 40mA, 400mA, 4A
- 4 AC Current with Optional AC Circuit
- 4 Resistance 4k, 40k, 400k, 4M
• Autoranging - First Reading is Always on Correct Range
• On-Chip Duplex LCD Display Drive Including Three Decimal Points and 11 Annunciators
• No Additional Active Components Required
• Low Power Dissipation - Less than 20mW - 1000 Hour Typical Battery Life
• Display Hold Input
• Continuity Output Drives Piezoelectric Beeper
• Low Battery Annunciator with On-Chip Detection
• Guaranteed Zero Reading for 0V Input on All Ranges
ICL7139 Connection Diagram
ICL7139
PDF/DataSheet Download
- Datasheet: ICL7139
- File Size: 114332 KB
- Manufacturer: INTERSIL [Intersil Corporation]
- Click here to Download
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