參數(shù)資料
型號： MAX1108EUB
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs
中文描述： 2-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO10
封裝： USOP, UMAX-10
文件頁數(shù)： 13/20頁
文件大?。?/td> 185K
代理商： MAX1108EUB
M
S ingle-S upply, Low-Power,
2-Channel, S erial 8-Bit ADCs
______________________________________________________________________________________
13
Table 1. Control Byte Format
Table 2. Conversion Configuration
Table 3. Full- and Zero-Scale Voltages
*RI = Reference Input (Table 2)
START
SEL2
SEL1
SEL0
I/ECLK
I/EREF
REFSHDN
SHDN
BIT 7
(MSB)
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
(LSB)
NAME
I/EREF
2
BIT
1 = internal reference, 0 = external reference. Internal reference selects +2.048V (MAX1108) or
+4.096V (MAX1109), or an external reference can be applied to the REF pin.
DESCRIPTION
I/ECLK
3
START
1 = external clock, 0 = internal clock. The SAR can be driven by the internal oscillator, or with the
SCLK signal.
SHDN
0 (LSB)
7 (MSB)
1 = operational, 0 = power down. For a full power down set
REFSHDN
=
SHDN
= 0. (See Power-
Down Mode section.)
The first logic “1” bit after
CS
goes low defines the beginning of the control byte.
SEL2
SEL1
SEL0
6
5
4
Selects the mode of operation (Table 2).
REFSHDN
1
1 = operational (if I / EREF = 1), 0 = reference shutdown. When using an external reference, power
consumption can be minimized by powering down the internal reference separately (I / EREF = 0).
REFSHDN
must be set to 0 when
SHDN
= 0.
UNIPOLAR MODE
RI*
RI - V
REF
/ 2
Zero Scale
RI + V
REF
RI
RI + V
REF
/ 2
Negative
Full Scale
Full Scale
Zero
Scale
BIPOLAR MODE
Positive
Full Scale
SEL2
1
1
1
1
SEL1
SAMPLED INPUT
(SI)
SEL0
0
1
CH1
CH0
CONVERSION MODE
REFERENCE INPUT
(RI)
COM
COM
Unipolar
Unipolar
1
0
1
0
1
CH1
CH0
0
GND
GND
Unipolar
Unipolar
0
0
0
1
1
CH1
CH0
1
COM
COM
Bipolar
Bipolar
0
0
0
0
1
V
DD
/ 2
CH0
0
GND
CH1
Unipolar
Bipolar
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相關代理商/技術參數(shù)
參數(shù)描述
MAX1108EUB+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 2Ch Single-Supply Low-P Serial 8-Bit RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1108EUB+G07 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 2Ch Single-Supply Low-P Serial 8-Bit RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1108EUB+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 2Ch Single-Supply Low-P Serial 8-Bit RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1108EUB+TG07 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 2Ch Single-Supply Low-P Serial 8-Bit RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1108EUB-G07 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
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