Low-Power, 1-/2-Channel, I2C, 10-Bit ADCs in Ultra-Tiny 1.9mm " />
參數(shù)資料
型號(hào)： MAX11647EUA+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 2/22頁(yè)
文件大?。?/td> 0K
描述： IC ADC 10BIT I2C 94.4KSPS 8UMAX
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 50
位數(shù)： 10
采樣率（每秒）： 94.4k
數(shù)據(jù)接口： I²C，串行
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 362mW
電壓電源： 單電源
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： 8-uMAX
包裝： 管件
輸入數(shù)目和類型： 2 個(gè)單端，單極；2 個(gè)單端，雙極；1 個(gè)差分，單極；1 個(gè)差分，雙極
MAX11646/MAX11647
Low-Power, 1-/2-Channel, I2C, 10-Bit ADCs
in Ultra-Tiny 1.9mm x 2.2mm Package
10
______________________________________________________________________________________
Detailed Description
The MAX11646/MAX11647 ADCs use successive-
approximation conversion techniques and fully differen-
tial input T/H circuitry to capture and convert an analog
signal to a serial 10-bit digital output. The
MAX11646/MAX11647 measure either two single-
ended inputs or one differential input. These devices
feature a high-speed, 2-wire serial interface supporting
data rates up to 1.7MHz. Figure 2 shows the simplified
internal structure for the MAX11646/MAX11647.
Power Supply
The MAX11646/MAX11647 operate from a single supply
and consume 670A (typ) at sampling rates up to
94.4ksps. The MAX11647 features a 2.048V internal ref-
erence and the MAX11646 features a 4.096V internal ref-
erence. These devices can be configured for use with an
external reference from 1V to VDD.
Analog Input and Track/Hold
The MAX11646/MAX11647 analog input architecture
contains an analog input multiplexer (mux), a fully dif-
ferential T/H capacitor, T/H switches, a comparator,
and a fully differential switched capacitive digital-to-
analog converter (DAC) (Figure 4).
In single-ended mode, the analog-input multiplexer con-
nects CT/H between the analog input selected by CS0
(see the
Configuration/Setup Bytes (Write Cycle) sec-
tion) and GND (Table 3). In differential mode, the analog
input multiplexer connects CT/H to the + and - analog
inputs selected by CS0 (Table 4).
During the acquisition interval, the T/H switches are in
the track position and CT/H charges to the analog input
signal. At the end of the acquisition interval, the T/H
switches move to the hold position retaining the charge
on CT/H as a stable sample of the input signal.
ANALOG
INPUT
MUX
AIN1
REF
AIN0
SCL
SDA
INPUT SHIFT REGISTER
SETUP REGISTER
CONFIGURATION REGISTER
CONTROL
LOGIC
REFERENCE
4.096V (MAX11646)
2.048V (MAX11647)
INTERNAL
OSCILLATOR
OUTPUT SHIFT
REGISTER
AND RAM
REF
T/H
10-BIT
ADC
VDD
GND
MAX11646
MAX11647
Figure 2. Functional Diagram
VDD
IOL
IOH
VOUT
400pF
SDA
Figure 3. Load Circuit
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX11647EUA+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 2Ch 94.4ksps 3.6V 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX11647EUA+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 2Ch 94.4ksps 3.6V 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX11647EWC+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 2Ch 94.4ksps 3.6V 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1165 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Power, 16-Bit Analog-to-Digital Converters with Parallel Interface
MAX1165ACUI 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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