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参数资料
型号： MAX194BEPE+
厂商： Maxim Integrated Products
文件页数： 1/24页
文件大小： 0K
描述： IC ADC 14BIT 85KSPS SHTDN 16-DIP
产品培训模块： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装： 25
位数： 14
采样率（每秒）： 85k
数据接口： QSPI?，串行，SPI?
转换器数目： 1
功率耗散（最大）： 80mW
电压电源： 模拟和数字，双 ±
工作温度： -40°C ~ 85°C
安装类型： 通孔
封装/外壳： 16-DIP（0.300"，7.62mm）
供应商设备封装： 16-PDIP
包装： 管件
输入数目和类型： 1 个单端，单极；1 个单端，双极
_______________General Description
The MAX194 is a 14-bit successive-approximation ana-
log-to-digital converter (ADC) that combines high
speed, high accuracy, low power consumption, and a
10A shutdown mode. Internal calibration circuitry cor-
rects linearity and offset errors to maintain the full rated
performance over the operating temperature range
without external adjustments. The capacitive-DAC
architecture provides an inherent 85ksps track/hold
function.
The MAX194, with an external reference (up to +5V),
offers a unipolar (0V to VREF) or bipolar (-VREF to VREF)
pin-selectable input range. Separate analog and digital
supplies minimize digital-noise coupling.
The chip select (CS) input controls the three-state seri-
al-data output. The output can be read either during
conversion as the bits are determined, or following con-
version at up to 5Mbps using the serial clock (SCLK).
The end-of-conversion (EOC) output can be used to
interrupt a processor, or can be connected directly to
the convert input (CONV) for continuous, full-speed
conversions.
The MAX194 is available in 16-pin DIP, wide SO, and
ceramic sidebraze packages. The output data format
provides pin-for-pin and functional compatibility with
the 16-bit MAX195 ADC.
________________________Applications
Portable Instruments
Audio
Industrial Controls
Robotics
Multiple Transducer
Medical Signal
Measurements
Acquisition
Vibrations Analysis
Digital Signal
Processing
____________________________Features
o True 14-Bit Accuracy: 12LSB INL
82dB SINAD
o 9.4s Conversion Time
o 10A Shutdown Mode
o Built-In Track/Hold
o AC and DC Specified
o Unipolar (0V to VREF) and Bipolar (-VREF to VREF)
Input Range
o Three-State Serial-Data Output
o Small 16-Pin DIP, SO, and Ceramic SB Packages
o Pin-Compatible 16-Bit Upgrade (MAX195)
______________Ordering Information
MAX194
14-Bit, 85ksps ADC with 10A Shutdown
________________________________________________________________
Maxim Integrated Products
1
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
VDDA
VSSA
AGND
AIN
VDDD
SCLK
CLK
BP/UP/SHDN
TOP VIEW
MAX194
REF
VSSD
RESET
CONV
CS
EOC
DGND
DOUT
DIP/Wide SO/Ceramic SB
MAX194
AIN
REF
CONV
SCLK
CLK
BP/UP/SHDN
CS
RESET
VSSD
DGND
VDDD
VDDA
AGND
VSSA
DOUT
EOC
SAR
CONTROL LOGIC
COMPARATOR
CALIBRATION
DACs
THREE-STATE BUFFER
4
6
11
16
14
15
5
7
10
8
1
9
3
2
13
12
MAIN DAC
Σ
________________Functional Diagram
__________________Pin Configuration
19-0345; Rev 4; 12/97
PART
MAX194ACPE
MAX194BCPE
MAX194ACWE
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
16 Plastic DIP
16 Wide SO
MAX194BCWE
0°C to +70°C
16 Wide SO
MAX194AEPE
-40°C to +85°C
16 Plastic DIP
MAX194BEPE
-40°C to +85°C
16 Plastic DIP
MAX194AEWE
-40°C to +85°C
16 Wide SO
MAX194BEWE
-40°C to +85°C
16 Wide SO
MAX194AMDE
-55°C to +125°C
16 Ceramic SB
MAX194BMDE
-55°C to +125°C
16 Ceramic SB
EVALUATION
KIT
AVAILABLE
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
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相关代理商/技术参数
参数描述
MAX194BEPE+ 功能描述:模数转换器 - ADC 14Bit 85ksps 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
MAX194BEWE 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
MAX194BEWE+ 功能描述:模数转换器 - ADC 14Bit 85ksps 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
MAX194BEWE+T 功能描述:模数转换器 - ADC 14Bit 85ksps 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
MAX194BEWE-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
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