参数资料
型号: MAX1271BEAI+
厂商: Maxim Integrated Products
文件页数: 17/20页
文件大小: 0K
描述: IC ADC 12BIT 8CH 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),ADC
分辨率(位): 12 b
采样率(每秒): 110k
数据接口: 串行
电压电源: 单电源
电源电压: 4.75 V ~ 5.25 V
工作温度: -40°C ~ 85°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: 1396 (CN2011-ZH PDF)
MAX1270/MAX1271
Multirange, +5V, 8-Channel,
Serial 12-Bit ADCs
6
_______________________________________________________________________________________
Note 1: Accuracy specifications tested at VDD = +5.0V. Performance at power-supply tolerance limit is guaranteed by power-supply
rejection test.
Note 2: External reference: VREF = 4.096V, offset error nulled. Ideal last-code transition = FS - 3/2 LSB.
Note 3: Ground “on” channel; sine wave applied to all “off” channels. VIN = ±5V (MAX1270), VIN = ±4V (MAX1271).
Note 4: Guaranteed by design, not production tested.
Note 5: Use static external loads during conversion for specified accuracy.
Note 6: Tested using internal reference.
Note 7: PSRR measured at full scale. Tested for the ±10V (MAX1270) and ±4.096V (MAX1271) input ranges.
Note 8: Acquisition phase and conversion time are dependent on the clock period; clock has 50% duty cycle (Figure 6).
Note 9: Not production tested. Provided for design guidance only.
TIMING CHARACTERISTICS
(VDD = +4.75V to +5.25V; unipolar/bipolar range; external reference mode, VREF = +4.096V; 4.7F at REF; external clock; fCLK =
2.0MHz (MAX127_B); fCLK = 1.8MHz (MAX127_A); TA = TMIN to TMAX, unless otherwise noted. Typical values are TA = +25°C.)
(Figures 2, 5, 7, 10)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DIN to SCLK Setup
tDS
100
ns
DIN to SCLK Hold
tDH
0ns
SCLK Fall to Output Data Valid
tDO
20
170
ns
CS Fall to Output Enable
tDV
CLOAD = 100pF
120
ns
CS Rise to Output Disable
tTR
CLOAD = 100pF
100
ns
CS to SCLK Rise Setup
tCSS
100
ns
CS to SCLK Rise Hold
tCSH
0ns
SCLK Pulse-Width High
tCH
200
ns
SCLK Pulse-Width Low
tCL
200
ns
SCLK Fall to SSTRB
tSSTRB
CLOAD = 100pF
200
ns
CS to SSTRB Output Enable
tSDV
CLOAD = 100pF, external clock mode only
200
ns
CS to SSTRB Output Disable
tSTR
CLOAD = 100pF, external clock mode only
200
ns
SSTRB Rise to SCLK Rise
tSCK
Internal clock mode only (Note 4)
0
ns
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相关代理商/技术参数
参数描述
MAX1271BEAI+ 功能描述:模数转换器 - ADC 12-Bit 8Ch 110ksps 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
MAX1271BEAI+T 功能描述:模数转换器 - ADC 12-Bit 8Ch 110ksps 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
MAX1271BEAI-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
MAX1271BENG 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
MAX1271BENG+ 功能描述:模数转换器 - ADC 12-Bit 8Ch 110ksps 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