MAX135 Series

±15-Bit, Low-Power ADC with Parallel Interface

Manufacturer: Analog Devices Inc./Maxim Integrated

Catalog

±15-Bit, Low-Power ADC with Parallel Interface

Part	Number of Inputs	Input Type	Number of A/D Converters	Operating Temperature (Max)	Operating Temperature (Min)	Reference Type	Mounting Type	Voltage - Supply, Digital Tolerance	Voltage - Supply, Digital	Number of Bits	Voltage - Supply, Analog (Max)	Voltage - Supply, Analog (Min)	Configuration	Package Width	Package Name	Package Length	Data Interface	Sampling Rate (Per Second)	Architecture	Ratio - ADC	Ratio - S/H
Analog Devices Inc./Maxim Integrated MAX135CWI+T	1	Differential	1 count	70 °C	0 °C	External	Surface Mount	5 %	5 V	15 bits	5 V	-5 V	ADC	7.5 mm	28-SOIC	0.295 in	Parallel	16 Hz	Multi-Slope
Analog Devices Inc./Maxim Integrated MAX135EPI+	1	Differential	1 count	85 °C	-40 °C	External	Through Hole		5 V	15 bits			ADC	15.24 mm	28-DIP 28-PDIP	0.6 in	Parallel	16 Hz	Multi-Slope	3	0
Analog Devices Inc./Maxim Integrated MAX135CWI	1	Differential	1 count	70 °C	0 °C	External	Surface Mount	5 %	5 V	15 bits	5 V	-5 V	ADC	7.5 mm	28-SOIC	0.295 in	Parallel	16 Hz	Multi-Slope
Analog Devices Inc./Maxim Integrated MAX135CPI+	1	Differential	1 count	70 °C	0 °C	External	Through Hole	5 %	5 V	15 bits	5 V	-5 V	ADC	15.24 mm	28-DIP 28-PDIP	0.6 in	Parallel	16 Hz	Multi-Slope
Analog Devices Inc./Maxim Integrated MAX135CWI+	1	Differential	1 count	70 °C	0 °C	External	Surface Mount	5 %	5 V	15 bits	5 V	-5 V	ADC	7.5 mm	28-SOIC	0.295 in	Parallel	16 Hz	Multi-Slope
Analog Devices Inc./Maxim Integrated MAX135EWI+										15 bits
Analog Devices Inc./Maxim Integrated MAX135CPI	1	Differential	1 count	70 °C	0 °C	External	Through Hole	5 %	5 V	15 bits	5 V	-5 V	ADC	15.24 mm	28-DIP 28-PDIP	0.6 in	Parallel	16 Hz	Multi-Slope

Catalog

±15-Bit, Low-Power ADC with Parallel Interface

Description

The MAX135 is a CMOS 15-bit, binary-output analog-to-digital converter (ADC). Multi-slope integration provides low-noise and high-resolution conversions in less time than standard integrating ADCs: The MAX135 is tested at 16 conversions per second, but operates at up to 6 times that rate. The MAX135 uses Super LSBs with data averaging to achieve 18-bit resolution.Supply current is 125µA maximum during normal operation and only 10µA maximum in sleep mode. Low conversion noise allows tested operation at only 300mV full scale (15µV per LSB). A simple 8-bit parallel data bus and three control lines easily interface to all common microprocessors, and twos-complement output coding simplifies bipolar measurements.High resolution and compact size make the MAX135 ideal for data loggers, numerical control systems, weight scales, data-acquisition systems, and panel meters. The MAX135 comes in 28-pin DIP and SO packages in both commercial and extended temperature grades.ApplicationsAnalog-Signal Measurement: Pressure, Flow, Temperature, Voltage, Current, Resistance, WeightBattery-Powered InstrumentsControl ApplicationsData Acquisition