参数资料
型号: MAX1416EWE+T
厂商: Maxim Integrated Products
文件页数: 1/36页
文件大小: 0K
描述: IC ADC 16BIT DELTA SIGMA 16-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1,000
位数: 16
采样率(每秒): 500
数据接口: MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 762mW
电压电源: 单电源
工作温度: -45°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC W
包装: 带卷 (TR)
输入数目和类型: 2 个差分,单极;2 个差分,双极
General Description
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 400A (max) with a 3V
supply. Power-down mode reduces the supply current to
2A (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.
Applications
Industrial Instruments
Weigh Scales
Strain-Gauge Measurements
Loop-Powered Systems
Flow and Gas Meters
Medical Instrumentation
Pressure Transducers
Thermocouple Measurements
RTD Measurements
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
2A (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
16-Bit, Low-Power, 2-Channel,
Sigma-Delta ADCs
________________________________________________________________ Maxim Integrated Products
1
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
SCLK
GND
VDD
DIN
DOUT
DRDY
AIN2-
REF-
REF+
TOP VIEW
MAX1415
MAX1416
PDIP/SO/TSSOP
CLKIN
CLKOUT
AIN2+
CS
RESET
AIN1+
AIN1-
Pin Configuration
Ordering Information
19-3163; Rev 1; 12/05
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.
EVALUATION
KIT
AVAILABLE
PART
TEMP
RANGE
PIN-
PACKAGE
VDD
(V)
PKG
CODE
MAX1415ENE*
-45°C to +85°C 16 PDIP
3
P16-1
MAX1415EWE*
-45°C to +85°C 16 Wide SO
3
W16-1
MAX1415EUE
-45°C to +85°C 16 TSSOP
3
U16-1
MAX1415AENE* -45°C to +85°C 16 PDIP
3
P16-1
MAX1415AEWE* -45°C to +85°C 16 Wide SO
3
W16-1
MAX1415AEUE* -45°C to +85°C 16 TSSOP
3
U16-1
MAX1415CNE*
0°C to +70°C
16 PDIP
3
P16-1
MAX1415CWE*
0°C to +70°C
16 Wide SO
3
W16-1
MAX1415CUE*
0°C to +70°C
16 TSSOP
3
U16-1
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
*Future product—contact factory for availability.
Ordering Information continued at end of data sheet.
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