參數(shù)資料
型號: MAX1147BCUP+T
廠商: Maxim Integrated Products
文件頁數(shù): 19/25頁
文件大?。?/td> 0K
描述: IC ADC 14BIT 116KSPS 20-TSSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)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: 0°C ~ 70°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: 4 個單端,單極;4 個單端,雙極;2 個差分,單極;2 個差分,雙極
MAX1146–MAX1149
Multichannel, True-Differential,
Serial, 14-Bit ADCs
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(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.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
18 clocks/conversion
60.3
Internal clock mode,
fSCLK = 2.1MHz
24 clocks/conversion
51.5
18 clocks/conversion
116.66
Throughput Rate
fSAMPLE
External clock mode,
fSCLK = 2.1MHz
24 clocks/conversion
87.50
ksps
T/H Acquisition Time
tACQ
1.4
s
Aperture Delay
tAD
20
ns
Aperture Jitter
tAJ
<50
ps
External clock mode
0.1
2.1
Serial Clock Frequency
fSCLK
Internal clock mode
0
2.1
MHz
Internal Clock Frequency
2.1
MHz
ANALOG INPUTS (CH0–CH7, COM)
Unipolar, COM = 0
0
VREF
Input Voltage Range, Single-
Ended and Differential (Note 6)
Bipolar, COM = VREF / 2, single-ended
±VREF / 2
V
Multiplexer Leakage Current
On/off-leakage current, VCH_ = 0 to VDD
±0.01
±1
A
Input Capacitance
18
pF
INTERNAL REFERENCE (CREF = 2.2F, CREFADJ = 0.01F)
MAX1147/MAX1149, TA = +25°C
2.480
2.500
2.520
REF Output Voltage
VREF
MAX1146/MAX1148, TA = +25°C
4.076
4.096
4.116
V
REF Short-Circuit Current
IREFSC
REF = DGND
20
mA
MAX114_ BC _ _
±30
±50
VREF Tempco (Note 7)
MAX114_ BE _ _
±40
±60
ppm/°C
Load Regulation
0 to 0.2mA output load (Note 8)
2.0
mV
Capacitive Bypass at REF
2F
Capacitive Bypass at REFADJ
0.01
F
REFADJ Output Voltage
1.250
V
REFADJ Input Range
±18
mV
REFADJ Logic High
Pull REFADJ high to disable the internal
bandgap reference and reference buffer
VDD -
0.25V
V
MAX1147/MAX1149
2.000
Reference Buffer Voltage Gain
MAX1146/MAX1148
3.277
V/V
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參數(shù)描述
MAX1147BEUP 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(gòu):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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1147BEUP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-Bit 4Ch 116ksps 3.3V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1147BEUP+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-Bit 4Ch 116ksps 3.3V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1147BEUP-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(gòu):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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1148 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Multichannel, True-Differential, Serial, 14-Bit ADCs