参数资料
型号: MAX144BCUA+
厂商: Maxim Integrated Products
文件页数: 13/16页
文件大小: 0K
描述: IC ADC 12BIT 108KSPS 8-UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
位数: 12
采样率(每秒): 108k
数据接口: MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 330mW
电压电源: 单电源
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-uMAX
包装: 管件
输入数目和类型: 2 个单端,单极
MAX144/MAX145
+2.7V, Low-Power, 2-Channel, 108ksps,
Serial 12-Bit ADCs in 8-Pin MAX
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VDD = +3.0V, VREF = 2.5V, 0.1F at REF, fSCLK = 2.17MHz, 16 clocks/conversion cycle (108ksps), CH- = GND for MAX145, TA = +25°C,
unless otherwise noted.)
Pin Description
External Reference Voltage Input. Sets the analog voltage range. Bypass with a 100nF capacitor close to
the device.
REF
5
Active-Low Chip-Select Input/Active-High Shutdown Input. Pulling CS/SHDN high puts the device into
shutdown with a maximum current of 5A.
CS/SHDN
6
Serial Data Output. Data changes state at SCLK’s falling edge. High impedance when CS/SHDN
is high.
DOUT
7
Serial Clock Input. DOUT changes on the falling edge of SCLK.
SCLK
8
Analog and Digital Ground
GND
4
Analog Input: MAX144 = single-ended (CH1); MAX145 = differential (CH-)
CH1 (CH-)
3
PIN
Analog Input: MAX144 = single-ended (CH0); MAX145 = differential (CH+)
CH0 (CH+)
2
Positive Supply Voltage, +2.7V to +5.25V
VDD
1
FUNCTION
NAME
-0.20
-0.10
-0.15
0
-0.05
0.05
0.10
0.15
0.20
0
1024
2048
3072
4096
INTEGRAL NONLINEARITY
vs. OUTPUT CODE
MAX144/5-10
OUTPUT CODE
INL
(LSB)
0
0.1
0.2
0.3
0.4
0.5
2.5
3.5
3.0
4.0
4.5
5.0
5.5
INTEGRAL NONLINEARITY
vs. SUPPLY VOLTAGE
MAX144/5-11
VDD (V)
INL
(LSB)
0
0.1
0.2
0.3
0.4
0.5
INTEGRAL NONLINEARITY
vs. TEMPERATURE
MAX144/5-12
INL
(LSB)
TEMPERATURE (°C)
-60
-10
15
-35
40
65
90
115 140
-140
-100
-120
-60
-80
-40
-20
0
20
027
54
FFT PLOT
MAX144/5-13
FREQUENCY (kHz)
AMPLITUDE
(dB)
VDD = +2.7V
fIN = 10kHz
fSAMPLE = 108ksps
12.0
11.0
1
10
100
EFFECTIVE NUMBER OF BITS
vs. FREQUENCY
11.2
MAX144/5-14
FREQUENCY (kHz)
EFFECTIVE
NUMBER
OF
BITS
11.4
11.6
11.8
VDD = +2.7V
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MAX144BCUA+ 功能描述:模数转换器 - ADC 12-Bit 2Ch 108ksps 5.25V High Speed 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
MAX144BCUA+T 功能描述:模数转换器 - ADC 12-Bit 2Ch 108ksps 5.25V High Speed 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
MAX144BCUA-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
MAX144BEPA 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
MAX144BEPA+ 功能描述:模数转换器 - ADC 12-Bit 2Ch 108ksps 5.25V High Speed 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