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What is MAX1394?

This electronic component, produced by the manufacturer "Maxim Integrated Products", performs the same function as "(MAX1391 / MAX1394) 1-Channel True-Differential/ 2-Channel Single-Ended".


MAX1394 Datasheet PDF - Maxim Integrated Products

Part Number MAX1394
Description (MAX1391 / MAX1394) 1-Channel True-Differential/ 2-Channel Single-Ended
Manufacturers Maxim Integrated Products 
Logo Maxim Integrated Products Logo 


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19-3720; Rev 0; 11/06
1.5V to 3.6V, 416ksps, 1-Channel True-Differential/
2-Channel Single-Ended, 8-Bit, SAR ADCs
General Description
The MAX1391/MAX1394 micropower, serial-output,
8-bit, analog-to-digital converters (ADCs) operate with a
single power supply from +1.5V to +3.6V. These ADCs
feature automatic shutdown, fast wake-up, and a high-
speed 3-wire interface. Power consumption is only
0.743mW (VDD = +1.5V) at the maximum conversion
rate of 416ksps. AutoShutdown™ between conversions
reduces power consumption at slower throughput rates.
The MAX1391/MAX1394 require an external reference
VREF that has a wide range from 0.6V to VDD. The
MAX1391 provides one true-differential analog input
that accepts signals ranging from 0 to VREF (unipolar
mode) or ±VREF/2 (bipolar mode). The MAX1394 pro-
vides two single-ended inputs that accept signals rang-
ing from 0 to VREF. Analog conversion results are
available through a 5MHz 3-wire SPI™-/QSPI™-/
MICROWIRE™-/digital signal processor (DSP)-compati-
ble serial interface. Excellent dynamic performance,
low voltage, low power, ease of use, and small pack-
age sizes make these converters ideal for portable bat-
tery-powered data-acquisition applications, as well as
other applications that demand low-power consumption
and minimal space.
The MAX1391/MAX1394 are available in a space-sav-
ing (3mm x 3mm), 10-pin TDFN package. The parts
operate over the extended (-40°C to +85°C) and mili-
tary (-55°C to +125°C) temperature ranges.
Applications
Portable Datalogging
Data Acquisition
Medical Instruments
Battery-Powered Instruments
Process Control
Features
o 416ksps, 8-Bit Successive-Approximation
Register (SAR) ADCs
o Single True-Differential Analog Input Channel
with Unipolar-/Bipolar-Selected Input (MAX1391)
o Dual Single-Ended Input Channel with Channel-
Selected Input (MAX1394)
o ±0.2 LSB INL, ±0.2 LSB DNL, No Missing Codes
o ±0.25 LSB Total Unadjusted Error (TUE)
o 49dB SINAD at 100kHz Input Frequency
o Single-Supply Voltage (+1.5V to +3.6V)
o 0.97mW at 416ksps, 1.8V
o 0.230mW at 100ksps, 1.8V
o 3.1µW at 1ksps, 1.8V
o < 1µA Shutdown Current
o External Reference (0.6V to VDD)
o AutoShutdown Between Conversions
o SPI-/QSPI-/MICROWIRE-/DSP-Compatible,
3- or 4-Wire Serial Interface
o Small (3mm x 3mm), 10-Pin TDFN
Typical Operating Circuit and Pin Configurations appear at
end of data sheet.
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Ordering Information
PART
MAX1391ETB
MAX1391MTB**
MAX1394ETB
MAX1394MTB**
TEMP RANGE
-40°C to +85°C
-55°C to +125°C
-40°C to +85°C
-55°C to +125°C
PIN-PACKAGE
10 TDFN-EP*
10 TDFN-EP*
10 TDFN-EP*
10 TDFN-EP*
ANALOG INPUTS
1-CH DIFF
1-CH DIFF
2-CH S/E
2-CH S/E
TOP MARK
AOX
APA
PKG CODE
T1033-1
T1033-1
T1033-1
T1033-1
*EP = Exposed pad.
**Future product—contact factory for availability.
________________________________________________________________ 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.

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MAX1394 equivalent
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1.5V to 3.6V, 416ksps, 1-Channel True-Differential/
2-Channel Single-Ended, 8-Bit, SAR ADCs
UNI/BIP OR
CH1/CH2
OE
CS
SCLK
tCHS
tUBS
tCHH
tUBH
tCSO tCSS
tDOE
tCL tCH
tCP
DOUT
HIGH-Z
Figure 1. Detailed Serial-Interface Timing Diagram
tDOV
tOEW
tCSW
tDOD
HIGH-Z
VDD
DOUT
6k
DOUT
6k50pF
50pF
GND
a) HIGH IMPEDANCE TO VOH, VOL TO VOH,
AND VOH TO HIGH IMPEDANCE
GND
b) HIGH IMPEDANCE TO VOL, VOH TO VOL,
AND VOL TO HIGH IMPEDANCE
Figure 2. Load Circuits for Enable/Disable Times
_______________________________________________________________________________________ 5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for MAX1394 electronic component.


Information Total 18 Pages
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