參數(shù)資料
型號： MAX1239MEEE+
廠商： Maxim Integrated Products
文件頁數(shù)： 17/22頁
文件大?。?/td> 0K
描述： IC ADC 12BIT SERIAL 16-QSOP
標(biāo)準(zhǔn)包裝： 100
位數(shù)： 12
采樣率（每秒）： 94.4k
數(shù)據(jù)接口： I²C，串行
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 666.7mW
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： 16-SSOP（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 16-QSOP
包裝： 管件
輸入數(shù)目和類型： 12 個單端，單極；12 個單端，雙極；6 個差分，單極；6 個差分，雙極
MAX1236–MAX1239
2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 2.7V to 3.6V (MAX1237/MAX1239), VDD = 4.5V to 5.5V (MAX1236/MAX1238), VREF = 2.048V (MAX1237/MAX1239), VREF =
4.096V (MAX1236/MAX1238), fSCL = 1.7MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C, see
Tables 1–5 for programming notation.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
POWER REQUIREMENTS
MAX1237/MAX1239
2.7
3.6
Supply Voltage
VDD
MAX1236/MAX1238
4.5
5.5
V
Internal reference
900
1150
fSAMPLE = 94.4ksps
external clock
External reference
670
900
Internal reference
530
fSAMPLE = 40ksps
internal clock
External reference
230
Internal reference
380
fSAMPLE = 10ksps
internal clock
External reference
60
Internal reference
330
fSAMPLE =1ksps
internal clock
External reference
6
Supply Current
IDD
Shutdown (internal REF off)
0.5
10
A
Power-Supply Rejection Ratio
PSRR
Full-scale input (Note 9)
±0.5
±2.0
LSB/V
TIMING CHARACTERISTICS (Figure 1)
(VDD = 2.7V to 3.6V (MAX1237/MAX1239), VDD = 4.5V to 5.5V (MAX1236/MAX1238), VREF = 2.048V (MAX1237/MAX1239), VREF =
4.096V (MAX1236/MAX1238), fSCL = 1.7MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
TA = +25°C, see Tables 1–5 for programming notation.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TIMING CHARACTERISTICS FOR FAST MODE
Serial-Clock Frequency
fSCL
400
kHz
Bus Free Time Between a STOP (P)
and a START (S) Condition
tBUF
1.3
s
Hold Time for START (S) Condition
tHD, STA
0.6
s
Low Period of the SCL Clock
tLOW
1.3
s
High Period of the SCL Clock
tHIGH
0.6
s
Setup Time for a Repeated START
Condition (Sr)
tSU, STA
0.6
s
Data Hold Time (Note 10)
tHD, DAT
0
900
ns
Data Setup Time
tSU, DAT
100
ns
Rise Time of Both SDA and SCL
Signals, Receiving
tR
Measured from 0.3VDD - 0.7VDD
20 + 0.1CB
300
ns
Fall Time of SDA Transmitting
tF
Measured from 0.3VDD - 0.7VDD (Note 11)
20 + 0.1CB
300
ns
Setup Time for STOP (P) Condition
tSU, STO
0.6
s
Capacitive Load for Each Bus Line
CB
400
pF
Pulse Width of Spike Suppressed
tSP
50
ns
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1239MEEE+ 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(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
MAX1239MEEE+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
MAX1239MEEE-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
MAX1240ACPA 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(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
MAX1240ACPA+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 73ksps 3.6V 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
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