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參數(shù)資料
| 型號： | MAX1416EUE+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 11/36頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 16BIT DELTA SIGMA 16TSSOP |
| 產(chǎn)品培訓模塊： | MAX11200 ADC Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 96 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 500 |
| 數(shù)據(jù)接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 755mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -45°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應商設(shè)備封裝： | 16-TSSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 2 個差分，單極；2 個差分，雙極 |
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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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1416EUE+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 2Ch .5ksps 3.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1416EUE+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 2Ch .5ksps 3.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1416EUE-T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1416EVC16 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC MAX1416 Evaluation Kit/Evaluation System RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1416EVKIT | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX1416 Evaluation Kit/Evaluation System RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
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