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| 型号： | MAX11359AETL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 20/67页 |
| 文件大小： | 0K |
| 描述： | IC DAS SYSTEM 16BIT 40-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 数据采集系统（DAS） |
| 分辨率（位）： | 16 b |
| 采样率（每秒）： | 512 |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 电压电源： | 模拟和数字 |
| 电源电压： | 1.8 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-WFQFN 裸露焊盘 |
| 供应商设备封装： | 40-TQFN-EP（6x6） |
| 包装： | 带卷 (TR) |
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MAX11359A
16-Bit Data-Acquisition System with ADC, DAC,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
27
Maxim Integrated
Voltage Supervisors
The MAX11359A provides voltage supervisors to monitor
DVDD and CPOUT. The first supervisor monitors the
DVDD supply voltage.
RESET asserts and sets the corre-
sponding LDVD status bit when DVDD falls below the
1.8V threshold voltage. When the DVDD supply voltage
rises above the threshold during power-up,
RESET
deasserts after a nominal 1.5s timeout period to give the
crystal oscillator time to stabilize. Set the threshold hys-
teresis using the HYSE bit of the PS_VMONS register.
See the
PS_VMONS Register section for configuring hys-
teresis. There is no separate voltage monitor for AVDD,
but the analog supply is covered by the DVDD monitor in
many applications where DVDD and AVDD are externally
connected together. Multiple supply applications where
AVDD and DVDD are not connected together require a
separate external voltage monitor for AVDD. See Figure 7
for a block diagram of the DVDD voltage supervisor.
The second voltage monitor tracks the charge-pump
output voltage, CPOUT. If CPOUT falls below the 2.7V
threshold, a corresponding register status bit (LCPD) is
set to flag the condition. The CPOUT monitor output
can also be mapped to the interrupt generator and out-
put on INT. The CPOUT monitor can be used as a 3V
AVDD monitor in applications where the charge pump
is disabled and CPOUT is connected to AVDD. AVDD
must be greater or equal to DVDD when CPOUT is
used to monitor AVDD. See Figure 8 for a block diagram
of the CPOUT voltage supervisor.
Interrupt Generator (INT)
The interrupt generator provides an interrupt to an
external C. The source of the interrupt is generated by
the status register and can be masked and unmasked
through the IMSK register. CRDY is unmasked by
default, and INT is active-high at power-on reset. INT is
programmable as active-high and active-low. Possible
sources include a rising or falling edge of UPIO_, an
RTC alarm, an ADC conversion completion, or the volt-
age-supervisor outputs. The interrupt causes INT to
assert when configured as an interrupt output.
OP
1.22V
1.65V
LINEAR 1.65V VOLTAGE REGULATOR
DVDD
REG
LDOE
Figure 5. Linear-Regulator Block Diagram
CF+
CF-
CPOUT
REG
M32K
CHARGE-PUMP DOUBLER
NONOVERLAP
CLOCK GENERATOR
CPE
Figure 6. Charge-Pump Block Diagram
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1135BCAP | 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 |
| MAX1135BCAP+ | 功能描述:模数转换器 - ADC 16-Bit 150ksps 3.3V Single Supply 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 |
| MAX1135BCAP+T | 功能描述:模数转换器 - ADC 16-Bit 150ksps 3.3V Single Supply 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 |
| MAX1135BCAP-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 |
| MAX1135BEAP | 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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