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| 型号： | MAX1254BEUE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 25/29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
_______________________________________________________________________________________
5
Note 1: Relative accuracy is the deviation of the analog value at any code from its theoretical value after the gain and offset errors
have been calibrated.
Note 2: Offset nulled.
Note 3: In reference mode 00, the reference system powers up for each temperature measurement. In reference mode 01, the ref-
erence system powers up once per sequence of channels scanned. If a sample wait <80s is programmed, the reference
system is on all the time. In reference mode 10, the reference system is on all the time (see Table 7).
Note 4: No external capacitor on REF.
Note 5: The operational input voltage range for each individual input of a differentially configured pair (AIN0–AIN7) is from GND to
VDD. The operational input voltage difference is from -VREF/2 to +VREF/2.
Note 6: See Figure 3 and the Sampling Error vs. Input Source Impedance graph in the Typical Operating Characteristics section.
Note 7: Grade A tested at +10°C and +55°C. -20°C to +85°C and -40°C to +85°C specifications guaranteed by design. Grade B
tested at +25°C. TMIN to TMAX specification guaranteed by design.
Note 8: External temperature measurement mode using an MMBT3904 (Diodes Inc.) as a sensor. External temperature sensing
from -40°C to +85°C; MAX1253/MAX1254 held at +25°C.
Note 9: Performing eight single-ended external channels’ temperature measurements, an internal temperature measurement, and
an internal VDD measurement with no sample wait results in a conversion rate of 2ksps per channel.
Note 10: Performing eight single-ended voltage measurements, an internal temperature measurement, and an internal VDD measure-
ment with no sample wait results in a conversion rate of 7ksps per channel.
Note 11: Performing eight single-ended voltage measurements, an internal temperature measurement, and an internal VDD measure-
ment with maximum sample wait results in a conversion rate of 3ksps per channel.
Note 12: Defined as the shift in the code boundary as a result of supply voltage change. VDD = min to max; full-scale input, mea-
sured using external reference.
TIMING CHARACTERISTICS
(VDD = +2.7V to +3.6V (MAX1253), VDD = +4.5V to +5.5V (MAX1254), TA = TMIN to TMAX, unless otherwise noted.) (Figures 1, 2, and 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SCLK Clock Period
tCP
100
0.5
ns
SCLK Pulse Width High Time
tCH
45
ns
SCLK Pulse Width Low Time
tCL
45
ns
DIN to SCLK Setup Time
tDS
25
ns
DIN to SCLK Hold Time
tDH
0ns
CS Fall to SCLK Rise Setup
tCSS
25
ns
SCLK Rise to CS Rise Hold
tCSH
50
ns
SCLK Fall to DOUT Valid
tDOV
CL = 30pF
50
ns
CS Rise to DOUT Disable
tDOD
CL = 30pF
40
ns
CS Fall to DOUT Enable
tDOE
CL = 30pF
40
ns
CS Pulse Width High
tCSW
40
ns
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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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