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參數(shù)資料
| 型號： | MAX1270AEAI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | Multirange, +5V, 8-Channel, Serial 12-Bit ADCs |
| 中文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO28 |
| 封裝： | 5.3 MM, 0.65 MM PITCH, MO-150, SSOP-28 |
| 文件頁數(shù)： | 8/20頁 |
| 文件大?。?/td> | 808K |
| 代理商： | MAX1270AEAI |
M
Multirange, +5V, 8-Channel,
Serial 12-Bit ADCs
8
_______________________________________________________________________________________
Pin Description
PIN
PDIP
1
2, 4
SSOP
1
2, 3
4, 7, 8,
11, 22,
24, 25, 28
NAME
FUNCTION
V
DD
DGND
+5V Supply. Bypass with a 0.1μF capacitor to AGND.
Digital Ground
3, 9,
22, 24
N.C.
No Connection. No internal connection.
5
5
SCLK
Serial Clock Input. Clocks data in and out of serial interface. In external clock mode, SCLK also
sets the conversion speed.
6
6
CS
Active-Low Chip-Select Input. Data is not clocked into DIN unless
CS
is low. When
CS
is high,
DOUT is high impedance.
7
9
DIN
Serial Data Input. Data is clocked in on the rising edge of SCLK.
8
10
SSTRB
Serial Strobe Output. In internal clock mode, SSTRB goes low after the falling edge of the eighth
SCLK and returns high when the conversion is done. In external clock mode, SSTRB pulses high
for one clock period before the MSB decision. High impedance when
CS
is high in external
clock mode.
10
12
DOUT
Serial Data Output. Data is clocked out on the falling edge of SCLK. High impedance when
CS
is
high.
11
12
13
14
SHDN
AGND
CH0–CH7
Shutdown Input. When low, device is in FULLPD mode. Connect high for normal operation.
Analog Ground
Analog Input Channels
13–20
15–21, 23
21
26
REFADJ
Bandgap Voltage-Reference Output/External Adjust Pin. Bypass with a 0.01μF capacitor to AGND.
Connect to V
DD
when using an external reference at REF.
23
27
REF
Refer ence- Buffer O utp ut/AD C Refer ence Inp ut. In i nter nal r efer ence m od e, the r efer ence b uffer
p r ovi d es a 4.096V nom nal outp ut, exter nal y ad ustab e to RE FAD . In exter nal r efer ence m od e,
d sab e the i nter nal r efer ence b y p ul ng RE FAD to V
D D
and ap p yi ng the exter nal r efer ence to RE F.
0
1
2
3
4
5
6
7
8
0.1
1
CONVERSION RATE (ksps)
10
100
1000
AVERAGE SUPPLY CURRENT vs.
CONVERSION RATE (USING STANDBY)
M
A
V
DD
= 5V, INTERNAL REFERENCE,
f
= 2MHz
EXTERNAL CLOCK MODE.
LOW-RANGE UNIPOLAR MODE.
V
CH_
= 0
0
1
2
3
4
5
6
7
8
0.1
1
CONVERSION RATE (ksps)
10
100
1000
AVERAGE SUPPLY CURRENT vs.
CONVERSION RATE (USING FULLPD)
M
A
V
DD
= 5V, INTERNAL REFERENCE,
f
CLK
= 2MHz
EXTERNAL CLOCK MODE.
LOW-RANGE UNIPOLAR MODE.
V
CH_
= 0
Typical Operating Characteristics (continued)
(Typical Operating Circuit, V
DD
= +5V; external reference mode, V
REF
= +4.096V; 4.7μF at REF; external clock, f
CLK
= 2MHz;
110ksps; T
A
= +25°C, unless otherwise noted.)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1270AEAI/GG8 | 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 |
| MAX1270AEAI/GG9 | 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 |
| MAX1270AEAI/GG9-T | 制造商:Maxim Integrated Products 功能描述: |
| MAX1270AEAI/GH9 | 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 |
| MAX1270AEAI/GH9-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 |
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