參數(shù)資料
型號: MAX1149BCUP+
廠商: Maxim Integrated Products
文件頁數(shù): 20/25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: 74
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: 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
MAX1146–MAX1149
Multichannel, True-Differential,
Serial, 14-Bit ADCs
4
_______________________________________________________________________________________
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
EXTERNAL REFERENCE AT REF
REF Input Voltage Range
VREF
1.5
VDD +
50mV
V
125
450
REF Input Current
IREF
Shutdown
0.01
10
A
REF Input Resistance
68
k
DIGITAL INPUTS (DIN, SCLK,
CS, SHDN)
VDD < 3.6V
2.0
Input High Voltage
VIH
VDD > 3.6V
3.0
V
Input Low Voltage
VIL
0.8
V
Input Hysteresis
VHYST
0.2
V
Input Leakage
IIN
±1
A
Input Capacitance
CIN
10
pF
DIGITAL OUTPUT (DOUT, SSTRB)
Output-Voltage Low
VOL
ISINK = 2mA
0.4
V
Output-Voltage High
VOH
ISOURCE = 2mA
VDD - 0.5
V
Tri-State Leakage Current
IL
CS = VDD
±10
A
Tri-State Output Capacitance
COUT
CS = VDD
10
pF
POWER REQUIREMENTS
MAX1147/MAX1149
2.7
3.6
Positive Supply Voltage
VDD
MAX1146/MAX1148
4.75
5.25
V
116ksps
1.1
1.5
10ksps
0.12
External
reference
1ksps
0.012
mA
Supply Current (Note 8)
IDD
Normal
operation, full-
scale input
Internal reference at
116ksps
1.9
2.4
mA
Fast power-down
120
Full power-down
0.3
Shutdown Supply Current
(Note 8)
SHDN = DGND
0.3
10
A
Power-Supply Rejection (Note 9)
PSR
External reference
±0.2
mV
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參數(shù)描述
MAX1149BCUP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-Bit 8Ch 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
MAX1149BCUP+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-Bit 8Ch 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
MAX1149BCUP-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
MAX1149BEUP 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
MAX1149BEUP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-Bit 8Ch 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