参数资料
型号: MAX128BEAI+
厂商: Maxim Integrated Products
文件页数: 13/16页
文件大小: 0K
描述: IC DAS 12BIT 2-WIRE 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): 8k
数据接口: I²C,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: 1393 (CN2011-ZH PDF)
MAX127/MAX128
Multirange, +5V, 12-Bit DAS with
2-Wire Serial Interface
6
_______________________________________________________________________________________
TIMING CHARACTERISTICS (continued)
(VDD = +4.75V to +5.25V; unipolar/bipolar range; external reference mode, VREF = 4.096V; 4.7F at REF pin; TA = TMIN to TMAX;
unless otherwise noted. Typical values are at TA = +25°C.)
Note 1:
Accuracy specifications tested at VDD = 5.0V. Performance at power-supply tolerance limits is guaranteed by Power-
Supply Rejection test.
Note 2:
External reference: VREF = 4.096V, offset error nulled, ideal last-code transition = FS - 3/2LSB.
Note 3:
Ground “on” channel, sine wave applied to all “off” channels.
Note 4:
Guaranteed by design. Not tested.
Note 5:
Use static external load during conversion for specified accuracy.
Note 6:
Tested using internal reference.
Note 7:
PSRR measured at full scale. Tested for the ±10V (MAX127) and ±4.096V (MAX128) input ranges.
Note 8:
Not subject to production testing. Provided for design guidance only.
PARAMETERS
SYMBOL
MIN
TYP
MAX
UNITS
CONDITIONS
Low Period of the SCL Clock
tLOW
4.7
s
High Period of the SCL Clock
tHIGH
4.0
s
Setup Time for a Repeated
START Condition
tSU, STA
4.7
s
Data Hold Time
tHD, DAT
0
0.9
s
Data Setup Time
tSU, DAT
250
ns
Rise Time for Both SDA and SCL
Signals (Receiving)
tR
1000
ns
Fall Time for Both SDA and SCL
Signals (Receiving)
tF
300
ns
Fall Time for Both SDA and SCL
Signals (Transmitting)
tF
Cb = total capacitance of one bus line in pF,
up to 6mA sink
20 +
250
0.1 x Cb
ns
Setup Time for STOP Condition
tSU, STO
4.0
s
Capacitive Load for Each
Bus Line
Cb
400
pF
Pulse Width of Spike Suppressed
tSP
0
50
ns
Hold Time (Repeated) START
Condition
tHD,STA
4.0
s
Bus Free Time Between a STOP
and START Condition
tBUF
4.7
s
SCL Clock Frequency
fSCL
100
kHz
2-WIRE STANDARD MODE
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MAX128BEAI+ 功能描述:模数转换器 - ADC 12-Bit 8Ch 8ksps 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
MAX128BEAI+T 功能描述:模数转换器 - ADC 12-Bit 8Ch 8ksps 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
MAX128BEAI-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
MAX128BENG 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
MAX128BENG+ 功能描述:模数转换器 - ADC 12-Bit 8Ch 8ksps 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