参数资料
型号: MAX196BCAI+
厂商: Maxim Integrated Products
文件页数: 7/16页
文件大小: 0K
描述: IC DAS 6CH 12BIT 5V 28-SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 46
类型: 数据采集系统(DAS)
分辨率(位): 12 b
采样率(每秒): 100k
数据接口: 并联
电压电源: 单电源
电源电压: 4.75 V ~ 5.25 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 管件
产品目录页面: 1393 (CN2011-ZH PDF)
Layout, Grounding, and Bypassing
Careful printed circuit board layout is essential for best
system performance. For best performance, use a
ground plane. To reduce crosstalk and noise injection,
keep analog and digital signals separate. Digital
ground lines can run between digital signal lines to
minimize interference. Connect analog grounds and
DGND in a star configuration to AGND. For noise-free
operation, ensure the ground return from AGND to the
supply ground is low impedance and as short as possi-
ble. Connect the logic grounds directly to the supply
ground. Bypass VDD with 0.1F and 4.7F capacitors
to AGND to minimize high- and low-frequency fluctua-
tions. If the supply is excessively noisy, connect a 5
resistor between the supply and VDD, as shown in
Figure 12.
MAX196/MAX198
Multirange, Single +5V, 12-Bit DAS
with 12-Bit Bus Interface
______________________________________________________________________________________
15
VDD
GND
DGND
AGND
+5V
SUPPLY
R* = 5
DIGITAL
CIRCUITRY
4.7
F
0.1
F
MAX196
MAX198
**
* OPTIONAL
** CONNECT AGND AND DGND WITH A GROUND PLANE OR A SHORT TRACE
Figure 12. Power-Supply Grounding Connection
_________________________________________________________Functional Diagram
T/H
THREE-STATE, BIDIRECTIONAL
I/O INTERFACE
12
10k
12
8
CHARGE REDISTRIBUTION
12-BIT DAC
CLOCK
SIGNAL
CONDITIONING
BLOCK
&
OVERVOLTAGE
TOLERANT
MUX
CONTROL LOGIC
&
LATCHES
REF
REFADJ
+2.5V
REFERENCE
D0–D11
12-BIT DATA BUS
CH5
CH4
CH3
CH2
CH1
CH0
CLK
CS
WR
RD
INT
VDD
AGND
DGND
MAX196
MAX198
AV =
1.638
COMP
SUCCESSIVE-
APPROXIMATION
REGISTER
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相关代理商/技术参数
参数描述
MAX196BCAI+ 功能描述:模数转换器 - ADC 12-Bit 6Ch 100ksps 4.18V 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
MAX196BCAI+T 功能描述:模数转换器 - ADC 12-Bit 6Ch 100ksps 4.18V 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
MAX196BCAI-T 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
MAX196BCNI 功能描述:模数转换器 - ADC Integrated Circuits (ICs) 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
MAX196BCNI+ 功能描述:模数转换器 - ADC 12-Bit 6Ch 100ksps 4.18V 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