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參數(shù)資料
| 型號： | MAX1282-MAX1283 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 300ksps/400ksps, Single-Supply, 4-Channel, Serial 12-Bit ADCs with Internal Reference |
| 中文描述： | 300ksps/400ksps，單電源，4通道，串行12的內(nèi)部參考位ADC |
| 文件頁數(shù)： | 10/24頁 |
| 文件大?。?/td> | 310K |
| 代理商： | MAX1282-MAX1283 |
M
300ksps/400ksps, Single-Supply, 4-Channel,
Serial 12-Bit ADCs with Internal Reference
10
______________________________________________________________________________________
Pin Description
Positive Supply Voltage
V
DD2
16
Input to the Reference-Buffer Amplifier. To disable the reference-buffer amplifier, connect REFADJ to V
DD1
.
REFADJ
9
Serial Strobe Output. SSTRB pulses high for one clock period before the MSB decision. High impedance
when
CS
is high.
SSTRB
12
Serial-Data Input. Data is clocked in at SCLK’s rising edge.
DIN
13
Active-Low Chip Select. Data will not be clocked into DIN unless
CS
is low. When
CS
is high, DOUT and
SSTRB are high impedance.
CS
14
Serial-Clock Input. Clocks data in and out of serial interface and sets the conversion speed. (Duty cycle
must be 40% to 60%.)
SCLK
15
Reference-Buffer Output/ADC Reference Input. Reference voltage for analog-to-digital conversion. In
internal reference mode, the reference buffer provides a 2.500V nominal output, externally adjustable at
REFADJ. In external reference mode, disable the internal buffer by pulling REFADJ to V
DD1
.
REF
8
Ground
GND
10
Serial-Data Output. Data is clocked out at SCLK’s rising edge. High impedance when
CS
is high.
DOUT
11
Active-Low Shutdown Input. Pulling
SHDN
low shuts down the device, reducing supply current to 2μA (typ).
SHDN
7
Ground Reference for Analog Inputs. COM sets zero-code voltage in single-ended mode. Must be
stable to ±0.5LSB.
COM
6
PIN
Positive Supply Voltage
V
DD1
1
FUNCTION
NAME
V
DD2
3k
GND
DOUT
C
LOAD
50pF
C
LOAD
50pF
GND
3k
DOUT
a) High-Z to V
OH
and V
OL
to V
OH
b) High-Z to V
OL
and V
OH
to V
OL
V
DD2
3k
GND
DOUT
C
LOAD
70pF
C
LOAD
20pF
GND
3k
DOUT
a) V
OH
to High-Z
b) V
OL
to High-Z
Figure 1. Load Circuits for Enable Time
Figure 2. Load Circuits for Disable Time
Sampling Analog Inputs
CH0–CH3
2–5
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相關(guān)代理商/技術(shù)參數(shù) |
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| MAX1283ACEE | 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 |
| MAX1283AEEE | 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 |
| MAX1283BCUE | 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 |
| MAX1283BCUE+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4Ch 300ksps 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 |
| MAX1283BCUE+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4Ch 300ksps 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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