參數(shù)資料
型號： MAX1191
廠商： Maxim Integrated Products, Inc.
元件分類： ADC
英文描述： Ultra-Low-Power, 7.5Msps, Dual 8-Bit ADC
中文描述： 超低功耗、7.5Msps、雙路、8位ADC
文件頁數(shù)： 4/27頁
文件大?。?/td> 492K
代理商： MAX1191
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Maximum REFP/REFN/COM Sink
Current
I
SINK
2
mA
REFIN Input Resistance
REFIN Input Current
UNBUFFERED EXTERNAL REFERENCE
(REFIN = GND, V
REFP
, V
REFN
, and V
COM
are applied
REFP Input Voltage
V
REFP
- V
COM
REFN Input Voltage
V
REFN
- V
COM
COM Input Voltage
V
COM
Differential Reference Input
Voltage
>500
-0.7
k
μA
0.256
-0.256
V
DD
/ 2
V
V
V
V
REF
V
REFP
- V
REFN
0.512
V
REFP Input Resistance
REFN Input Resistance
DIGITAL INPUTS
(CLK, PD0, PD1)
R
REFP
R
REFN
Measured between REFP and COM
Measured between REFN and COM
4
4
k
k
CLK
0.7 x
V
DD
Input High Threshold
V
IH
PD0, PD1
0.7 x
OV
DD
V
CLK
0.3 x
V
DD
Input Low Threshold
V
IL
PD0, PD1
0.3 x
OV
DD
V
Input Hysteresis
V
HYST
0.1
V
CLK at GND or V
DD
PD0 and PD1 at OGND or OV
DD
±5
±5
Digital Input Leakage Current
DI
IN
μA
Digital Input Capacitance
DIGITAL OUTPUTS
(D7
–
D0, A/
B
)
DC
IN
5
pF
Output Voltage Low
V
OL
I
SINK
= 200μA
0.2 x
OV
DD
V
Output Voltage High
V
OH
I
SOURCE
= 200μA
0.8 x
OV
DD
V
Tri-State Leakage Current
Tri-State Output Capacitance
POWER REQUIREMENTS
Analog Supply Voltage
Digital Output Supply Voltage
I
LEAK
C
OUT
±5
μA
pF
5
V
DD
OV
DD
2.7
1.8
3.0
3.6
V
DD
V
V
M
Ultra-Low-Power, 7.5Msps, Dual 8-Bit ADC
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 3.0V, OV
DD
= 1.8V, V
REFIN
= V
DD
(internal reference), C
L
≈
10pF at digital outputs, f
CLK
= 7.5MHz, C
REFP
= C
REFN
= C
COM
= 0.33μF, T
A
= -40
°
C to +85
°
C, unless otherwise noted. Typical values are at T
A
= +25
°
C.) (Note 1)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1191ETI 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
MAX1191ETI+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 2Ch 7.5Msps 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
MAX1191ETI+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 2Ch 7.5Msps 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
MAX1191ETI-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
MAX1192ETI 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
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