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参数资料
| 型号： | MAX1416EUE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/36页 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT DELTA SIGMA 16TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 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）： | 755mW |
| 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-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 2 个差分，单极；2 个差分，双极 |
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Detailed Description
The MAX1415/MAX1416 low-power, 2-channel serial
output ADCs use a sigma-delta modulator with a digital
filter to achieve 16-bit resolution with no missing codes.
Each device includes a PGA, an on-chip input buffer,
an internal oscillator, and a bidirectional communica-
tions port. The MAX1415 operates with a 2.7V to 3.6V
single supply, and the MAX1416 operates with a 4.75V
to 5.25V single supply.
Fully differential inputs, an internal input buffer, and an
on-chip PGA (gain = 1 to 128) allow low-level signals to
be directly measured, minimizing the requirements for
external signal conditioning. Self-calibration corrects for
gain and offset errors. A programmable digital filter
allows for the selection of the output data rate and first
notch frequency from 20Hz to 500Hz.
The bidirectional serial SPI-/QSPI-/MICROWIRE-compati-
ble interface consists of four digital control lines (SCLK,
CS, DOUT, and DIN) and provides an easy interface to
microcontrollers (Cs). Connect
CS to GND to configure
the MAX1415/MAX1416 for 3-wire operation.
Analog Inputs
The MAX1415/MAX1416 accept four analog inputs
(AIN1+, AIN1-, AIN2+, and AIN2-) in buffered or
unbuffered mode. Use Table 8 to select the positive
and negative input pair for a fully differential channel.
The input buffer isolates the inputs from the capacitive
load presented by the PGA/modulator, allowing for high
source-impedance analog transducers. The value of
the BUF bit in the setup register (see the Setup Register
section) determines whether the input buffer is enabled
or disabled.
Internal protection diodes, which clamp the analog
input to VDD and/or GND, allow the input to swing from
(GND - 0.3V) to (VDD + 0.3V), without damaging the
device. If the analog input exceeds 300mV beyond the
supplies, limit the input current to 10mA.
Input Buffers
When the analog input buffer is disabled, the analog
input drives a typical 7pF (gain = 1) capacitor, CTOTAL,
in series with the 7k
typical on-resistance of the track
and hold (T/H) switch (Figure 1). CTOTAL is comprised
of the sampling capacitor, CSAMP, and the stray capac-
itance, CSTRAY. During the conversion, CSAMP charges
to (AIN+ - AIN-). The gain determines the value of
CSAMP (see Table 5).
MAX1415/MAX1416
16-Bit, Low-Power, 2-Channel,
Sigma-Delta ADCs
______________________________________________________________________________________
19
MAX1415
MAX1416
MUX
CLOCK
GENERATOR
DIGITAL
FILTER
2nd-ORDER
SIGMA-DELTA
MODULATOR
PGA
BUFFER
SERIAL INTERFACE,
REGISTERS,
AND
CONTROL
VDD
GND
SCLK
DIN
DOUT
CLKIN
CLKOUT
AIN1+
AIN1-
AIN2+
AIN2-
REF+
REF-
S1
S2
S1 AND S2 ARE OPEN IN
BUFFERED MODE AND CLOSED
IN UNBUFFERED MODE
CS
DRDY
RESET
Functional Diagram
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1416EVC16 | 功能描述:模数转换器 - ADC MAX1416 Evaluation Kit/Evaluation System RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1416EVKIT | 功能描述:数据转换 IC 开发工具 MAX1416 Evaluation Kit/Evaluation System RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| MAX1416EWE | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1416EWE+ | 功能描述:模数转换器 - ADC 16-Bit 2Ch .5ksps 3.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1416EWE+T | 功能描述:模数转换器 - ADC 16-Bit 2Ch .5ksps 3.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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