MAX157 datasheet, PDF - EEWORLD Datasheet

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MAX157: Description2-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8; Categorysemiconductor logic; File Size237KB，16 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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MAX157 Overview

2-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8

MAX157 Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	8
Maximum operating temperature	85 Cel
Minimum operating temperature	-40 Cel
Maximum conversion time	7 uS
Maximum linear error	0.0977 %
Maximum limit analog input voltage	5.3 V
Minimum limit analog input voltage	0.0 V
Processing package description	0.300 INCH, PLASTIC, MS-001AB, DIP-8
state	ACTIVE
packaging shape	RECTANGULAR
Package Size	IN-LINE
Terminal form	THROUGH-HOLE
Terminal spacing	2.54 mm
terminal coating	TIN LEAD
Terminal location	DUAL
Packaging Materials	PLASTIC/EPOXY
Temperature level	INDUSTRIAL
Sampling Rate	0.0108 MHz
Output format	SERIAL
Type of converter	SUCCESSIVE APPROXIMATION
Number of digits	10
Output bit encoding	BINARY
Number of analog channels	2
Sample and hold and track and hold	TRACK

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19-1388; Rev 0; 11/98

+2.7V, Low-Power, 2-Channel,

108ksps, Serial 10-Bit ADCs in 8-Pin µMAX

General Description

The MAX157/MAX159 low-power, 10-bit analog-to-digi-

tal converters (ADCs) are available in 8-pin µMAX and

DIP packages. Both devices operate with a single

+2.7V to +5.25V supply and feature a 7.4µs succes-

sive-approximation ADC, automatic power-down, fast

wake-up (2.5µs), an on-chip clock, and a high-speed,

3-wire serial interface.

Power consumption is only 3.2mW (V

= +3.6V) at the

maximum sampling rate of 108ksps. At slower through-

put rates, the 0.2µA automatic shutdown further

reduces power consumption.

The MAX157 provides 2-channel, single-ended opera-

tion and accepts input signals from 0 to V

REF

. The

MAX159 accepts pseudo-differential inputs ranging

from 0 to V

REF

. An external clock accesses data

through the 3-wire serial interface, which is SPI™,

QSPI™, and MICROWIRE™ compatible.

Excellent dynamic performance and low power, com-

bined with ease of use and a small package size, make

these converters ideal for battery-powered and data

acquisition applications, or for other circuits with

demanding power-consumption and space require-

ments. For pin-compatible 12-bit upgrades, see the

MAX144/MAX145 data sheet.

Features

Single-Supply Operation (+2.7V to +5.25V)

Two Single-Ended Channels (MAX157)

Single Pseudo-Differential Channel (MAX159)

Low Power

0.9mA (at 108ksps, +3V)

100µA (at 10ksps, +3V)

10µA (at 1ksps, +3V)

<0.2µA (power-down mode)

Internal Track/Hold

108ksps Sampling Rate

SPI/QSPI/MICROWIRE-Compatible 3-Wire

Serial Interface

Space-Saving 8-Pin µMAX Package

Pin-Compatible 12-Bit Upgrades Available

MAX157/MAX159

Ordering Information

PART

TEMP.

RANGE

0°C to +70°C

-40°C to +85°C

PIN-

PACKAGE

8 µMAX

8 Plastic DIP

8 µMAX

8 Plastic DIP

8 CERDIP*

8 µMAX

8 Plastic DIP

8 µMAX

8 Plastic DIP

8 CERDIP*

INL

(LSB)

±0.5

±1

±0.5

±1

±0.5

±1

±0.5

±1

±0.5

±1

±0.5

±1

±0.5

±1

±0.5

±1

±0.5

±1

±0.5

±1

Applications

Battery-Powered Systems

Portable Data Logging

Isolated Data Acquisition

Process-Control Monitoring

Instrumentation

Test Equipment

Medical Instruments

System Supervision

MAX157ACUA

MAX157BCUA

MAX157ACPA

MAX157BCPA

MAX157AEUA

MAX157BEUA

MAX157AEPA

MAX157BEPA

Pin Configuration

TOP VIEW

CH0 (CH+)

CH1 (CH-)

SCLK

DOUT

CS/SHDN

REF

MAX157AMJA -55°C to +125°C

MAX157BMJA -55°C to +125°C

MAX159ACUA

0°C to +70°C

MAX159BCUA

0°C to +70°C

MAX159ACPA

0°C to +70°C

MAX159BCPA

0°C to +70°C

MAX159AEUA -40°C to +85°C

MAX159BEUA -40°C to +85°C

MAX159AEPA

MAX159BEPA

MAX159AMJA

MAX159BMJA

-40°C to +85°C

-55°C to +125°C

MAX157

MAX159

GND

µMAX/DIP

( ) ARE FOR MAX159 ONLY.

SPI and QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

*Contact

factory for availability.

________________________________________________________________

Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

MAX157 Related Products

	MAX157	MAX157-MAX159	MAX159BMJA	MAX159AMJA	MAX159	MAX157BMJA	MAX157AMJA
Description	2-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8	2-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8	2-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8	2-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8	2-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8	2-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8	2-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8
Number of functions	1	1	1	1	1	1	1
Number of terminals	8	8	8	8	8	8	8
Maximum operating temperature	85 Cel	85 Cel	85 Cel	125 °C	85 Cel	125 °C	125 °C
Minimum operating temperature	-40 Cel	-40 Cel	-40 Cel	-55 °C	-40 Cel	-55 °C	-55 °C
Maximum conversion time	7 uS	7 uS	7 uS	7 µs	7 uS	7 µs	7 µs
Terminal form	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	MILITARY	INDUSTRIAL	MILITARY	MILITARY
Output format	SERIAL	SERIAL	SERIAL	SERIAL	SERIAL	SERIAL	SERIAL
Number of digits	10	10	10	10	10	10	10
Maximum linear error	0.0977 %	0.0977 %	0.0977 %	-	0.0977 %	-	-
Maximum limit analog input voltage	5.3 V	5.3 V	5.3 V	-	5.3 V	-	-
Minimum limit analog input voltage	0.0 V	0.0 V	0.0 V	-	0.0 V	-	-
Processing package description	0.300 INCH, PLASTIC, MS-001AB, DIP-8	0.300 INCH, PLASTIC, MS-001AB, DIP-8	0.300 INCH, PLASTIC, MS-001AB, DIP-8	-	0.300 INCH, PLASTIC, MS-001AB, DIP-8	-	-
state	ACTIVE	ACTIVE	ACTIVE	-	ACTIVE	-	-
packaging shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	-	RECTANGULAR	-	-
Package Size	IN-LINE	IN-LINE	IN-LINE	-	IN-LINE	-	-
Terminal spacing	2.54 mm	2.54 mm	2.54 mm	-	2.54 mm	-	-
terminal coating	TIN LEAD	TIN LEAD	TIN LEAD	-	TIN LEAD	-	-
Packaging Materials	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	-	PLASTIC/EPOXY	-	-
Sampling Rate	0.0108 MHz	0.0108 MHz	0.0108 MHz	-	0.0108 MHz	-	-
Type of converter	SUCCESSIVE APPROXIMATION	SUCCESSIVE APPROXIMATION	SUCCESSIVE APPROXIMATION	-	SUCCESSIVE APPROXIMATION	-	-
Output bit encoding	BINARY	BINARY	BINARY	-	BINARY	-	-
Number of analog channels	2	2	2	-	2	-	-
Sample and hold and track and hold	TRACK	TRACK	TRACK	-	TRACK	-	-

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