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| 型号： | MAX1254BEUE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/29页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT W/REF 16-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 96 |
| 位数： | 12 |
| 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）： | 15mW |
| 电压电源： | 模拟和数字，双 ± |
| 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；8 个单端，双极；4 个差分，单极；4 个差分，双极 |
| 产品目录页面： | 1396 (CN2011-ZH PDF) |
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MAX1253/MAX1254
Stand-Alone, 10-Channel, 12-Bit System Monitors
with Internal Temperature Sensor and VDD Monitor
18
______________________________________________________________________________________
Write-Selected Channel Configuration
Registers (Command Code 1100)
The Write-Selected Channel Configuration Register com-
mand, 1100, writes to the three channel configuration
registers for the addressed channel (see Table 3). The
first register to be written is the upper threshold (2 bytes),
followed by the lower threshold (2 bytes), ending with the
channel configuration register (1 byte), all MSB first.
Writing to the configuration registers resets the alarm reg-
ister bits and the fault counters for the addressed chan-
nel. See the Channel Registers section for more details.
Write Global Configuration Registers
(Command Code 1101)
The Write Global Configuration Registers command,
1101, writes to three registers: the channel-enable reg-
ister (2 bytes), the input configuration register (2 bytes),
and the setup register (1 byte). The command address
bits are ignored. See the Global Configuration
Registers section for more details.
Global Configuration Registers
The global configuration registers consist of the chan-
nel-enable register, the input configuration register, and
the setup register. These registers hold configuration
data common to all channels.
Channel-Enable Register
The channel-enable register (Table 4) controls which
channels are converted while in automatic scan mode.
The register contents are ignored for manual conver-
sion commands. Each input channel has a correspond-
ing bit in the channel-enable register. A logic high
enables the corresponding analog input channel for
conversion, while a logic low disables it. In differential
configuration, the bits for odd channels are ignored. At
power-up and after a RESET command, the register
contents default to 111111111111b (all channels
enabled).
Input Configuration Register
The input configuration register (Table 5) stores the
configuration code for each channel as a 3-bit per
channel-pair code (see Table 6), selecting from five
input signal configurations: single-ended unipolar volt-
age, single-ended temperature, differential unipolar
voltage, differential bipolar voltage, and differential
temperature. Table 5 shows the input configuration reg-
ister format, and Table 6 shows the 3-bit encoding for
channel configuration. At power-up and after a RESET
command, the register contents defaults to
000000000000b (all inputs single ended).
Table 4. Channel-Enable Register Format
B11
(MSB)
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
(LSB)
TEMP
VDD
AIN0
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
AIN7
Res
Table 5. Input Configuration Register Format
B11
(MSB)
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
(LSB)
AIN0 and AIN1 configuration
AIN2 and AIN3 configuration
AIN4 and AIN5 configuration
AIN6 and AIN7 configuration
Table 6. Channel Configuration Coding (3 Bits/Channel Pair)
CODE
AIN0, AIN2, AIN4, AIN6 CONFIGURATION
AIN1, AIN3, AIN5, AIN7 CONFIGURATION
000
Single-ended input (power-up state)
001
Single-ended input
Single-ended, external temperature sensor input
010
Single-ended, external temperature sensor input
Single-ended input
011
Single-ended, external temperature sensor input
100
Differential unipolar encoded, positive input
Differential unipolar encoded, negative input
101
Differential bipolar encoded, positive input
Differential bipolar encoded, negative input
110
Differential external temperature sensor, positive input
Differential external temperature sensor, negative input
111
Reserved
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相关代理商/技术参数 |
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| MAX1254BEUE+ | 功能描述:模数转换器 - ADC 12-Bit 10Ch 94ksps 5V 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 |
| MAX1254BEUE+T | 功能描述:模数转换器 - ADC 12-Bit 10Ch 94ksps 5V 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 |
| MAX1254BEUE-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 |
| MAX1254EVC16 | 功能描述:模数转换器 - ADC Stand-Alone 10-Channel 12-Bit System Monitors with Internal Temperature Sensor and VDD 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 |
| MAX1254EVKIT | 功能描述:数据转换 IC 开发工具 Evaluation Kit/Evaluation System for the MAX1254 MAX1253 RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
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