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参数资料
| 型号： | MAX1153BEUE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/30页 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT SYS MON 16TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 96 |
| 位数： | 10 |
| 采样率（每秒）： | 94k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 6.6mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 管件 |
| 输入数目和类型： | 8 个单端，单极；4 个差分，单极；4 个差分，双极 |
| 产品目录页面： | 1395 (CN2011-ZH PDF) |
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MAX1153/MAX1154
Stand-Alone, 10-Channel, 10-Bit System Monitors
with Internal Temperature Sensor and VDD Monitor
10
______________________________________________________________________________________
DGND
a) VOL TO VOH
CLOAD = 100pF
100
μA
DOUT
DGND
VDD
b) HIGH-Z TO VOL AND VOH TO VOL
CLOAD = 100pF
100
μA
DOUT
Figure 1. Load Circuits for DOUT Enable Time and SCLK to
DOUT Delay Time
DGND
a) VOH TO HIGH-Z
CLOAD = 100pF
100
μA
DOUT
DGND
VDD
b) VOL TO HIGH-Z
CLOAD = 100pF
100
μA
DOUT
Figure 2. Load Circuit for DOUT Disable Time
Detailed Description
The MAX1153/MAX1154 are precision-monitoring inte-
grated circuit systems specifically intended for stand-
alone operation. They can monitor diverse types of
inputs, such as those from temperature sensors and
voltage signals from pressure, vibration, and accelera-
tion sensors, and digitize these input signals. The digi-
tal values are then compared to preprogrammed
thresholds and, if the thresholds are exceeded, the
processor is alerted by an interrupt signal. No interac-
tion by the CPU or microcontroller (C) is required until
one of the programmed limits is exceeded (Figures 3
and 4).
Voltages on all the inputs are converted to 10-bit values
sequentially and stored in the current data registers.
Note that eight of these inputs are external and two are
internal. One of the internal inputs monitors the VDD
voltage supply, while the other monitors the internal IC
temperature. AIN0 to AIN7 can be configured as either
single ended (default) or differential. In addition, these
inputs can be configured for single-ended or differen-
tial temperature measurements. In the temperature
configuration, the device provides the proper bias nec-
essary to measure temperature with a diode-connected
transistor sensor. The user enables which inputs are
measured (both external and internal) and sets the
delay between each sequence of measurements dur-
ing the initial setup of the device.
The values stored in the current data registers are com-
pared to the user-preprogrammed values in the thresh-
old registers (upper and lower thresholds) and, if
exceeded, activate the interrupt output and generate an
alarm condition. If desired, the device can be pro-
grammed to average the results of many measurements
before comparing to the threshold value. This reduces
the sensitivity to external noise in the measured signal.
In addition, the user can set the number of times the
threshold is exceeded (fault cycles) before generating
an interrupt. This feature reduces falsely triggered
alarms caused by undesired, random spurious impulses.
When the fault cycle criterion is exceeded, an alarm
condition is created. The device writes the fault condi-
tion into the alarm register to indicate the alarmed input
channel.
Converter Operation
The MAX1153/MAX1154 ADCs use a fully differential
successive-approximation register (SAR) conversion
technique and an on-chip track-and-hold (T/H) block to
convert temperature and voltage signals into a 10-bit
digital result. Both single-ended and differential config-
urations are supported with a unipolar signal range for
single-ended mode and bipolar or unipolar ranges for
differential mode. Figure 5 shows the equivalent input
circuit for the MAX1153/MAX1154. Configure the input
channels according to Tables 5 and 6 (see the
Input
Configuration Register section).
In single-ended mode, the positive input (IN+) is con-
nected to the selected input channel and the negative
input (IN-) is connected to GND. In differential mode,
IN+ and IN- are selected from the following pairs:
AIN0/AIN1, AIN2/AIN3, AIN4/AIN5, and AIN6/AIN7.
Once initiated, voltage conversions require 10.6s (typ)
to complete.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1153BEUE+ | 功能描述:模数转换器 - ADC Stnd-Alne 10Ch 10Bit System Monitor 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 |
| MAX1153BEUE+T | 功能描述:模数转换器 - ADC Stnd-Alne 10Ch 10Bit System Monitor 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 |
| MAX1153BEUE-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 |
| MAX1153-MAX1154 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Stand-Alone, 10-Channel, 10-Bit System Monitors with Internal Temperature Sensor and VDD Monitor |
| MAX1154 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Stand-Alone, 10-Channel, 10-Bit System Monitors with Internal Temperature Sensor and VDD Monitor |
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