参数资料
型号: MAX1189ACUI+T
厂商: Maxim Integrated Products
文件页数: 15/15页
文件大小: 0K
描述: IC ADC 16BIT 135KSPS 28-TSSOP
标准包装: 2,500
位数: 16
采样率(每秒): 135k
数据接口: 并联
转换器数目: 1
功率耗散(最大): 1.03W
电压电源: 模拟和数字
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 28-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 28-TSSOP
包装: 带卷 (TR)
输入数目和类型: 1 个单端,双极
completing a conversion. The reference and reference
buffer require a minimum of 12ms (CREFADJ = 0.1F,
CREF = 10F) to power up and settle from shutdown.
The state of R/C during the second falling edge of CS
selects which power-down mode the MAX1179/
MAX1187/MAX1189 enters upon conversion comple-
tion. Holding R/C low causes the MAX1179/MAX1187/
MAX1189 to enter standby mode. The reference and
buffer are left on after the conversion completes. R/C
high causes the MAX1179/MAX1187/MAX1189 to enter
shutdown mode and power down the reference and
buffer after conversion (see Figures 5 and 6). Set the
voltage at REF high during the second falling edge of
CS to realize the lowest current operation.
Standby Mode
While in standby mode, the supply current is less than
3.7mA (typ). The next falling edge of CS with R/C low
causes the MAX1179/MAX1187/MAX1189 to exit stand-
by mode and begin acquisition. The reference and ref-
erence buffer remain active to allow quick turn-on time.
MAX1179/MAX1187/MAX1189
16-Bit, 135ksps, Single-Supply ADCs with
Bipolar Analog Input Range
_______________________________________________________________________________________
9
Figure 4. Equivalent Input Circuit
MAX1187
R2
R3
161
3.4k
TRACK
HOLD
S1, S2 = T/H SWITCH
S3 = POWER-DOWN
(MAX1179/MAX1189
ONLY)
S1
CHOLD
30pF
S2
AIN
MAX1179/MAX1189
R2
R3
161
3.4k
S3
POWER-
DOWN
TRACK
HOLD
REF
R2 = 7.85k
(MAX1189)
OR 3.92k
(MAX1179/MAX1187)
R3 = 5.45k
(MAX1189)
OR 17.79k
(MAX1179/MAX1187)
S1
CHOLD
30pF
S2
AIN
T/H OUT
Figure 5. Selecting Standby Mode
CS
R/C
EOC
ACQUISITION
CONVERSION
DATA
OUT
REF AND
BUFFER
POWER
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相关代理商/技术参数
参数描述
MAX1189AEUI 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
MAX1189AEUI+ 功能描述:模数转换器 - ADC 16-Bit 135ksps 4.2V 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
MAX1189AEUI+T 功能描述:模数转换器 - ADC 16-Bit 135ksps 4.2V 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
MAX1189AEUI-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
MAX1189BCUI 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