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參數(shù)資料
| 型號： | MAX1149BEUP+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 12/25頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 14BIT 116KSPS 20-TSSOP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 116k |
| 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）： | 879mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 帶卷 (TR) |
| 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 |
MAX1146–MAX1149
Multichannel, True-Differential,
Serial, 14-Bit ADCs
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VDD = 5V (MAX1146/MAX1148), VDD = 3.3V (MAX1147/MAX1149), SHDN = VDD, VCOM = 0, fSCLK = 2.1MHz, external clock (50%
duty cycle), 18 clocks/conversion (116ksps), VREFADJ = VDD, CREF = 2.2F, external +4.096V reference at REF (MAX1146/
MAX1148), external 2.500V reference at REF (MAX1147/MAX1149), TA = TMIN to TMAX, unless otherwise noted. Typical values are at
TA = +25°C.)
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 +6.0V
AGND to DGND.....................................................-0.3V to +0.3V
CH0–CH7, COM to AGND..........................-0.3V to (VDD + 0.3V)
REF, REFADJ to AGND ..............................-0.3V to (VDD + 0.3V)
Digital Inputs to DGND...............................-0.3V to (VDD + 0.3V)
Digital Outputs to DGND ............................-0.3V to (VDD + 0.3V)
Digital Output Sink Current .................................................25mA
Continuous Power Dissipation (TA = +70°C)
20 TSSOP (derate 10.9mW/°C above +70°C) .............879mW
Operating Temperature Ranges
MAX114_ BC_ _ ..................................................0°C to +70°C
MAX114_ BE_ _ ...............................................-40°C to +85°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC ACCURACY (Note 1)
Resolution
14
Bits
Relative Accuracy (Note 2)
INL
±0.7
±2
LSB
Differential Nonlinearity
DNL
No missing codes over temperature
-1.0
±0.5
+1.5
LSB
Offset Error
±10
LSB
Offset Temperature Coefficient
0.3
ppm/°C
Gain Error
(Note 3)
±20
LSB
Gain Temperature Coefficient
±0.8
ppm/°C
Channel-to-Channel Offset
Matching
±1
LSB
Channel-to-Channel Gain
Matching
±1
LSB
DYNAMIC SPECIFICATIONS (1kHz sine-wave input, 2.5VP-P, full-scale analog input, 116ksps, 2.1MHz external clock)
Signal-to-Noise Plus Distortion
Ratio
SINAD
77
81
dB
Total Harmonic Distortion
THD
Up to the 5th harmonic
-96
-88
dB
Spurious-Free Dynamic Range
SFDR
84
98
dB
Channel-to-Channel Crosstalk
(Note 4)
-85
dB
Small-Signal Bandwidth
SSBW
-3dB point
3.0
MHz
Full-Power Bandwidth
FPBW
SINAD > 68dB
2.0
MHz
CONVERSION RATE
External clock, 2.1MHz 15 SCLK cycles
7.2
Conversion Time (Note 5)
tCONV
Internal clock
6
8
s
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