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MAX1415_05

Description
16-Bit, Low-Power, 2-Channel, Sigma-Delta ADCs
File Size568KB,36 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX1415_05 Overview

16-Bit, Low-Power, 2-Channel, Sigma-Delta ADCs

19-3163; Rev 1; 12/05
KIT
ATION
EVALU
BLE
AVAILA
16-Bit, Low-Power, 2-Channel,
Sigma-Delta ADCs
General Description
Features
16-Bit Sigma-Delta ADCs
Two Fully Differential Input Channels
0.0015% Integral Nonlinearity with No Missing
Codes
Internal Analog Input Buffers
Programmable Gain Amplifier (PGA) from 1 to 128
Internal Oscillator (2.4576MHz or 1MHz)
Single 2.7V to 3.6V (MAX1415) or 4.75V to 5.25V
(MAX1416) Supply
Low Power
1mW max, 3V Supply
2µA (typ) Power-Down Current
SPI™-/QSPI™-/MICROWIRE™-Compatible 3-Wire
Serial Interface
Pin Compatible with MX7705/AD7705
16-Pin PDIP, SO, and TSSOP Packages
MAX1415/MAX1416
The MAX1415/MAX1416 low-power, 2-channel, serial-
output analog-to-digital converters (ADCs) use a sigma-
delta modulator with a digital filter to achieve 16-bit
resolution with no missing codes. These ADCs are pin-
compatible upgrades to the MX7705/AD7705. The
MAX1415/MAX1416 feature an internal oscillator (1MHz
or 2.4576MHz), an on-chip input buffer, and a program-
mable gain amplifier (PGA). The devices offer an SPI™-/
QSPI™-/MICROWIRE™-compatible serial interface.
The MAX1415 requires a single 2.7V to 3.6V supply, and
the MAX1416 requires a single 4.75V to 5.25V supply.
The operating supply current is 400µA (max) with a 3V
supply. Power-down mode reduces the supply current to
2µA (typ). When operating with a supply of 3V, the power
dissipation is less than 1.44mW, making the MAX1415
ideal for battery-powered applications.
Self-calibration and system calibration allow the
MAX1415/MAX1416 to correct for gain and offset errors.
Excellent DC performance (±0.0015% FSR INL) and low
noise (700nV in unbuffered mode) make the MAX1415/
MAX1416 ideal for measuring low-frequency signals with
a wide dynamic range. These devices accept fully differ-
ential bipolar/unipolar inputs. An internal input buffer
allows for input signals with high source impedances. An
on-chip digital filter, with a programmable cutoff and out-
put data rate, processes the output of the sigma-delta
modulator. The first notch frequency of the digital filter is
chosen to provide 150dB rejection of common-mode
50Hz or 60Hz noise and 98dB rejection of normal-mode
50Hz or 60Hz noise. A PGA and digital filtering allow sig-
nals to be directly acquired with little or no signal-condi-
tioning requirements.
The MAX1415/MAX1416 are available in 16-pin PDIP,
SO, and TSSOP packages.
Ordering Information
PART
MAX1415ENE*
MAX1415EWE*
MAX1415EUE
TEMP
RANGE
PIN-
PACKAGE
V
DD
(V)
3
3
3
3
3
3
3
3
PKG
CODE
P16-1
W16-1
U16-1
P16-1
W16-1
U16-1
P16-1
W16-1
-45°C to +85°C 16 PDIP
-45°C to +85°C 16 Wide SO
-45°C to +85°C 16 TSSOP
MAX1415AENE* -45°C to +85°C 16 PDIP
MAX1415AEWE* -45°C to +85°C 16 Wide SO
MAX1415AEUE* -45°C to +85°C 16 TSSOP
MAX1415CNE*
MAX1415CWE*
0°C to +70°C 16 PDIP
0°C to +70°C 16 Wide SO
Applications
Industrial Instruments
Weigh Scales
Strain-Gauge Measurements
Loop-Powered Systems
Flow and Gas Meters
Medical Instrumentation
Pressure Transducers
Thermocouple Measurements
RTD Measurements
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
MAX1415CUE*
0°C to +70°C 16 TSSOP
3
U16-1
*Future
product—contact factory for availability.
Ordering Information continued at end of data sheet.
Pin Configuration
TOP VIEW
SCLK 1
CLKIN 2
CLKOUT 3
CS 4
RESET 5
AIN2+ 6
AIN1+ 7
AIN1- 8
16 GND
15 V
DD
14 DIN
MAX1415
MAX1416
13 DOUT
12 DRDY
11 AIN2-
10 REF-
9
REF+
PDIP/SO/TSSOP
________________________________________________________________
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.

MAX1415_05 Related Products

MAX1415_05 MAX1416CNE MAX1416CUE MAX1416CWE MAX1416ENE
Description 16-Bit, Low-Power, 2-Channel, Sigma-Delta ADCs 16-Bit, Low-Power, 2-Channel, Sigma-Delta ADCs 16-Bit, Low-Power, 2-Channel, Sigma-Delta ADCs 16-Bit, Low-Power, 2-Channel, Sigma-Delta ADCs 16-Bit, Low-Power, 2-Channel, Sigma-Delta ADCs
Is it lead-free? - Contains lead Contains lead Contains lead Contains lead
Is it Rohs certified? - incompatible incompatible incompatible incompatible
Parts packaging code - DIP TSSOP SOIC DIP
package instruction - 0.300 INCH, PLASTIC, MS-001AA, DIP-16 4.40 MM, MS-153AB, TSSOP-16 0.300 INCH, MS-013AA, SOP-16 0.300 INCH, PLASTIC, MS-001AA, DIP-16
Contacts - 16 16 16 16
Reach Compliance Code - _compli _compli _compli _compli
ECCN code - EAR99 EAR99 EAR99 EAR99
Maximum analog input voltage - 5 V 5 V 5 V 5 V
Converter type - ADC, DELTA-SIGMA ADC, DELTA-SIGMA ADC, DELTA-SIGMA ADC, DELTA-SIGMA
JESD-30 code - R-PDIP-T16 R-PDSO-G16 R-PDSO-G16 R-PDIP-T16
JESD-609 code - e0 e0 e0 e0
length - 19.175 mm 5 mm 10.3 mm 19.175 mm
Maximum linear error (EL) - 0.0015% 0.0015% 0.0015% 0.0015%
Number of analog input channels - 2 2 2 2
Number of digits - 16 16 16 16
Number of functions - 1 1 1 1
Number of terminals - 16 16 16 16
Maximum operating temperature - 70 °C 70 °C 70 °C 85 °C
Output bit code - BINARY, OFFSET BINARY BINARY, OFFSET BINARY BINARY, OFFSET BINARY BINARY, OFFSET BINARY
Output format - SERIAL SERIAL SERIAL SERIAL
Package body material - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code - DIP TSSOP SOP DIP
Encapsulate equivalent code - DIP16,.3 TSSOP16,.25 SOP16,.4 DIP16,.3
Package shape - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form - IN-LINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE IN-LINE
Peak Reflow Temperature (Celsius) - NOT SPECIFIED 240 NOT SPECIFIED NOT SPECIFIED
power supply - 5 V 5 V 5 V 5 V
Certification status - Not Qualified Not Qualified Not Qualified Not Qualified
Sample and hold/Track and hold - TRACK TRACK TRACK TRACK
Maximum seat height - 4.572 mm 1.1 mm 2.65 mm 4.572 mm
Nominal supply voltage - 5 V 5 V 5 V 5 V
surface mount - NO YES YES NO
technology - BICMOS BICMOS BICMOS BICMOS
Temperature level - COMMERCIAL COMMERCIAL COMMERCIAL INDUSTRIAL
Terminal surface - Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form - THROUGH-HOLE GULL WING GULL WING THROUGH-HOLE
Terminal pitch - 2.54 mm 0.65 mm 1.27 mm 2.54 mm
Terminal location - DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width - 7.62 mm 4.4 mm 7.5 mm 7.62 mm
Base Number Matches - 1 1 1 1
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