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参数资料
| 型号： | MAXADCLITE# |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/22页 |
| 文件大小： | 0K |
| 描述： | KIT EVALUATION FOR MAX11645 |
| 产品培训模块： | Obsolescence Mitigation Program |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 12 |
| 采样率（每秒）： | 94.4k |
| 数据接口： | USB |
| 输入范围： | ±VREF/2 |
| 工作温度： | -40°C ~ 85°C |
| 已用 IC / 零件： | MAX11645 |
| 已供物品： | 板，软件 |
MAX11644/MAX11645
Low-Power, 1-/2-Channel, I2C, 12-Bit ADCs
in Ultra-Tiny 1.9mm x 2.2mm Package
10
______________________________________________________________________________________
Detailed Description
The MAX11644/MAX11645 analog-to-digital converters
(ADCs) use successive-approximation conversion tech-
niques and fully differential input track/hold (T/H) cir-
cuitry to capture and convert an analog signal to a
serial 12-bit digital output. The MAX11644/MAX11645
measure either two single-ended or one differential
input(s). 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
MAX11644/MAX11645.
Power Supply
The MAX11644/MAX11645 operate from a single sup-
ply and consume 670μA (typ) at sampling rates up to
94.4ksps. The MAX11645 feature a 2.048V internal ref-
erence and the MAX11644 feature a 4.096V internal ref-
erence. All devices can be configured for use with an
external reference from 1V to VDD.
Analog Input and Track/Hold
The MAX11644/MAX11645 analog-input architecture
contains an analog-input multiplexer (mux), a fully dif-
ferential track-and-hold (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
connects CT/H between the analog input selected by
CS[0] (see the
Configuration/Setup Bytes (Write Cycle)
section) and GND (Table 3). In differential mode, the
analog-input multiplexer connects CT/H to the + and -
analog inputs selected by CS[0] (Table 4).
ANALOG
INPUT
MUX
AIN1
REF
AIN0
SCL
SDA
INPUT SHIFT REGISTER
SETUP REGISTER
CONFIGURATION REGISTER
CONTROL
LOGIC
REFERENCE
4.096V (MAX11644)
2.048V (MAX11645)
INTERNAL
OSCILLATOR
OUTPUT SHIFT
REGISTER
AND RAM
REF
T/H
12-BIT
ADC
VDD
GND
MAX11644
MAX11645
Figure 2. Simplified Functional Diagram
VDD
IOL
IOH
VOUT
400pF
SDA
Figure 3. Load Circuit
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAXADCLITE# | 功能描述:数据转换 IC 开发工具 MAX11645 Eval Kit 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 |
| MAXADCLITE+ | 功能描述:数据转换 IC 开发工具 MAX11645 Eval Kit 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 |
| MAX-B550 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:THREE-CD CHANGER MINI-COMPACT SYSTEM CD-R/RW PLAYBACK |
| MAX-B570 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:THREE-CD CHANGER MINI-COMPACT SYSTEM CD-R/RW PLAYBACK |
| MAXC001 | 制造商:Maxim Integrated Products 功能描述: |
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