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參數(shù)資料
| 型號： | MAX1254BEUE+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 25/29頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 12BIT W/REF 16-TSSOP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 96 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 94k |
| 數(shù)據(jù)接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 15mW |
| 電壓電源： | 模擬和數(shù)字，雙 ± |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 16-TSSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 8 個單端，單極；8 個單端，雙極；4 個差分，單極；4 個差分，雙極 |
| 產(chǎn)品目錄頁面： | 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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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1254BEUE+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10Ch 94ksps 5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構:Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1254BEUE+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10Ch 94ksps 5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構:Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1254BEUE-T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構:Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1254EVC16 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Stand-Alone 10-Channel 12-Bit System Monitors with Internal Temperature Sensor and VDD Monitor RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構:Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1254EVKIT | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 Evaluation Kit/Evaluation System for the MAX1254 MAX1253 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
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