19-3710; Rev 1; 8/05
16-Bit Data-Acquisition Systems with ADC, DACs,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
General Description
Features
♦ +1.8V to +3.6V Single-Supply Operation
The MAX1358/MAX1359/MAX1360 smart data-acquisition
systems (DAS) are each based on a 16-bit, sigma-delta
analog-to-digital converter (ADC) and system-support
functionality for a microprocessor (µP)-based system.
These devices integrate an ADC, DACs, operational
amplifiers, internal 1.25V/2.048V/2.5V selectable refer-
ence, temperature sensors, analog switches, a 32kHz
oscillator, a real-time clock (RTC) with alarm, a high-fre-
quency-locked loop (FLL) clock, four user-programma-
ble I/Os, an interrupt generator, and 1.8V and 2.7V
voltage monitors in a single chip.
♦ Multichannel 16-Bit Sigma-Delta ADC
10sps to 512sps Programmable Conversion Rate
Self and System Offset and Gain Calibration
PGA with Gains of 1, 2, 4, or 8
Unipolar and Bipolar Modes
10-Input Differential Multiplexer
♦ 10-Bit Force-Sense DACs
♦ Uncommitted Op Amps
♦ Dual SPDT Analog Switches
♦ 1.25V, 2.048V, or 2.5V Selectable Voltage
The MAX1358/MAX1359/MAX1360 have dual 10:1 dif-
ferential input multiplexers (muxes) that accept signal
levels from 0 to AV . An on-chip 1x to 8x programma-
DD
Reference
♦ Internal Charge Pump
ble-gain amplifier (PGA) measures low-level signals
and reduces external circuitry required.
♦ System Support
Real Time Clock and Alarm Register
Internal/External Temperature Sensor
Internal Oscillator with Clock Output
User-Programmable I/O and Interrupt Generator
The MAX1358/MAX1359/MAX1360 operate from a sin-
gle +1.8V to +3.6V supply and consume only 1.4mA in
normal mode and only 6.1µA in sleep mode.
V
Monitors
DD
The MAX1358 has two DACs with one uncommitted op
amp; the MAX1359 has one DAC with two uncommit-
ted op amps; and the MAX1360 has three uncommit-
ted op amps.
♦ SPI/QSPI/MICROWIRE, 4-Wire Serial Interface
♦ Space-Saving (6mm x 6mm x 0.8mm) 40-Pin TQFN
Package
Ordering Information
The serial interface is compatible with either SPI™/QSPI™
or MICROWIRE™, and is used to power up, configure,
and check the status of all functional blocks.
PIN-
PACKAGE
PKG
CODE
PART
TEMP RANGE
The MAX1358/MAX1359/MAX1360 are available in a
space-saving 40-pin TQFN package and are specified
over the commercial (0°C to +70°C) and the extended
(-40°C to +85°C) temperature ranges.
MAX1358AETL* -40°C to +85°C 40 TQFN-EP** T4066-4
MAX1358BETL
MAX1358ACTL*
MAX1358BCTL*
-40°C to +85°C 40 TQFN-EP** T4066-4
0°C to +70°C 40 TQFN-EP** T4066-4
0°C to +70°C 40 TQFN-EP** T4066-4
Applications
MAX1359AETL* -40°C to +85°C 40 TQFN-EP** T4066-4
Battery-Powered and Portable Devices
Electrochemical and Optical Sensors
Medical Instruments
MAX1359BETL
MAX1359ACTL*
MAX1359BCTL
-40°C to +85°C 40 TQFN-EP** T4066-4
0°C to +70°C 40 TQFN-EP** T4066-4
0°C to +70°C 40 TQFN-EP** T4066-4
MAX1360AETL* -40°C to +85°C 40 TQFN-EP** T4066-4
MAX1360BETL* -40°C to +85°C 40 TQFN-EP** T4066-4
Industrial Control
Data-Acquisition Systems
MAX1360ACTL*
MAX1360BCTL*
0°C to +70°C 40 TQFN-EP** T4066-4
0°C to +70°C 40 TQFN-EP** T4066-4
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
*Future product—contact factory for availability.
**EP = Exposed pad.
Pin Configurations appear at end of data sheet.
Selector Guide
SPDT/SPST
SWITCHES
EXTERNAL ADC
PART
DACs
OP AMPs
UPIOs
INPUTS
MAX1358
MAX1359
MAX1360
2
1
0
1
2
3
2/2
2/1
2/0
2
2
2
4
4
4
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.