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What is MAX1395?

This electronic component, produced by the manufacturer "Maxim Integrated Products", performs the same function as "(MAX1392 / MAX1395) 1-Channel True-Differential/ 2-Channel Single-Ended".


MAX1395 Datasheet PDF - Maxim Integrated Products

Part Number MAX1395
Description (MAX1392 / MAX1395) 1-Channel True-Differential/ 2-Channel Single-Ended
Manufacturers Maxim Integrated Products 
Logo Maxim Integrated Products Logo 


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19-3709; Rev 0; 5/05
1.5V to 3.6V, 357ksps, 1-Channel True-Differential/
2-Channel Single-Ended, 10-Bit, SAR ADCs
General Description
The MAX1392/MAX1395 micropower, serial-output,
10-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
0.740mW (VDD = +1.5V) at the maximum conversion
rate of 357ksps. AutoShutdown™ between conversions
reduces power consumption at slower throughput rates.
The MAX1392/MAX1395 require an external reference
VREF that has a wide range from 0.6V to VDD. The
MAX1392 provides one true-differential analog input
that accepts signals ranging from 0 to VREF (unipolar
mode) or ±VREF/2 (bipolar mode). The MAX1395 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)-compat-
ible 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, and for
other applications that demand low power consumption
and minimal space.
The MAX1392/MAX1395 are available in a space-sav-
ing (3mm x 3mm) 10-pin TDFN package or 10-pin
µMAX® package. The parts operate over the extended
(-40°C to +85°C) and military (-55°C to +125°C) tem-
perature ranges.
Applications
Portable Datalogging
Data Acquisition
Medical Instruments
Battery-Powered Instruments
Process Control
Features
357ksps 10-Bit Successive-Approximation
Register (SAR) ADCs
Single True-Differential Analog Input Channel
with Unipolar-/Bipolar-Selected Input (MAX1392)
Dual Single-Ended Input Channel with Channel-
Selected Input (MAX1395)
±0.5 LSB INL, ±0.5 LSB DNL, No Missing Codes
±1 LSB Total Unadjusted Error
61dB SINAD at 85kHz Input Frequency
Single Supply Voltage (+1.5V to +3.6V)
0.945mW at 350ksps, 1.8V
0.27mW at 100ksps, 1.8V
3.1µW at 1ksps, 1.8V
<1µA Shutdown Current
External Reference (0.6V to VDD)
AutoShutdown Between Conversions
SPI-/QSPI-/MICROWIRE-/DSP-Compatible,
3- or 4-Wire Serial Interface
Small (3mm x 3mm), 10-Pin TDFN or µMAX
(3mm x 5mm) Package
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.
µMAX is a registered trademark of Maxim Integrated Products, Inc.
Ordering Information
PART
TEMP RANGE
MAX1392ETB**
-40°C to +85°C
MAX1392EUB**
-40°C to +85°C
MAX1392MTB**
-55°C to +125°C
MAX1392MUB**
-55°C to +125°C
MAX1395ETB
-40°C to +85°C
MAX1395EUB**
-40°C to +85°C
MAX1395MTB**
-55°C to +125°C
MAX1395MUB**
-55°C to +125°C
*EP = Exposed pad.
**Future product—contact factory for availability.
PIN-PACKAGE
10 TDFN-EP*
10 µMAX
10 TDFN-EP*
10 µMAX
10 TDFN-EP*
10 µMAX
10 TDFN-EP*
10 µMAX
ANALOG INPUTS
1-CH DIFF
1-CH DIFF
1-CH DIFF
1-CH DIFF
2-CH S/E
2-CH S/E
2-CH S/E
2-CH S/E
TOP MARK
AOY
APB
________________________________________________________________ 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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MAX1395 equivalent
1.5V to 3.6V, 357ksps, 1-Channel True-Differential/
2-Channel Single-Ended, 10-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
10mA
DOUT
10mA
50pF
50pF
GND GND
a) HIGH IMPEDANCE TO VOH, VOL TO VOH, b) HIGH IMPEDANCE TO VOL, VOH TO VOL,
AND VOH TO HIGH IMPEDANCE
AND VOL TO HIGH IMPEDANCE
Figure 2. Load Circuits for Enable/Disable Times
_______________________________________________________________________________________ 5


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