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參數(shù)資料
| 型號： | MAX149ACPP+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 12/23頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 10BIT SERIAL 20-DIP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 18 |
| 位數(shù)： | 10 |
| 采樣率（每秒）： | 133k |
| 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）： | 889mW |
| 電壓電源： | 單電源 |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 20-DIP（0.300"，7.62mm） |
| 供應商設備封裝： | 20-PDIP |
| 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 |
+2.7V to +5.25V, Low-Power, 8-Channel,
Serial 10-Bit ADCs
MAX148/MAX149
2
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may
affect device reliability.
VDD to AGND, DGND..............................................-0.3V to +6V
AGND to DGND ...................................................-0.3V to +0.3V
CH0–CH7, COM to AGND, DGND........... -0.3V to (VDD + 0.3V)
VREF, REFADJ to AGND ...........................-0.3V to (VDD + 0.3V)
Digital Inputs to DGND ...........................................-0.3V to +6V
Digital Outputs to DGND.......................... -0.3V to (VDD + 0.3V)
Digital Output Sink Current ................................................25mA
Continuous Power Dissipation (TA = +70NC)
PDIP (derate 11.11mW/NC above +70NC) ...................889mW
SSOP (derate 8.00mW/NC above +70NC) ....................640mW
Operating Temperature Ranges
MAX148_C_P/MAX149_C_P .............................. 0NC to +70NC
MAX148_E_P/MAX149_E_P ............................ -40NC to +85NC
MAX149BMAP............................................... -55NC to +125NC
Storage Temperature Range............................ -60NC to +150NC
Lead Temperature (soldering, 10s) ................................+300NC
Soldering Temperature (reflow) ......................................+260NC
ELECTRICAL CHARACTERISTICS
(VDD = +2.7V to +5.25V; COM = 0; fSCLK = 2.0MHz; external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps);
MAX149—4.7FF capacitor at VREF pin; MAX148—external reference, VREF = 2.500V applied to VREF pin; TA = TMIN to TMAX, unless
otherwise noted.)
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC ACCURACY (Note 1)
Resolution
10
Bits
Relative Accuracy (Note 2)
INL
MAX14_A
±0.5
LSB
MAX14_B
±1.0
Differential Nonlinearity
DNL
No missing codes over temperature
±1
LSB
Offset Error
MAX14_A
±0.15
±1
LSB
MAX14_B
±0.15
±2
Gain Error (Note 3)
MAX14_A
±1
LSB
MAX14_B
±2
Gain Temperature Coefficient
±0.25
ppm/
°C
Channel-to-Channel Offset
Matching
±0.05
LSB
DYNAMIC SPECIFICATIONS (10kHz Sine-Wave Input, 0 to 2.500VP-P, 133ksps, 2.0MHz External Clock, Bipolar Input Mode)
Signal-to-Noise + Distortion
Noise
SINAD
66
dB
Total Harmonic Distortion
THD
Up to the 5th harmonic
-70
dB
Spurious-Free Dynamic Range
SFDR
70
dB
Channel-to-Channel Crosstalk
65kHz, 2.500VP-P (Note 4)
-75
dB
Small-Signal Bandwidth
-3dB rolloff
2.25
MHz
Full-Power Bandwidth
1.0
MHz
CONVERSION RATE
Conversion Time (Note 5)
tCONV
Internal clock, SHDN = unconnected
5.5
7.5
μs
Internal clock, SHDN = VDD
35
65
External clock = 2MHz, 12 clocks/
conversion
6
Track/Hold Acquisition Time
tACQ
1.5
μs
Aperture Delay
30
ns
Aperture Jitter
< 50
ps
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX149ACPP+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構: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 |
| MAX149AEAP | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構: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 |
| MAX149AEAP+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構: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 |
| MAX149AEAP+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構: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 |
| MAX149AEAP-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 |
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