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參數(shù)資料
| 型號(hào)： | MAX1067CEEE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | Multichannel, 14-Bit, 200ksps Analog-to-Digital Converters |
| 中文描述： | 4-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| 封裝： | 0.150 INCH, 0.250 INCH PITCH, MO-137AB, QSOP-16 |
| 文件頁(yè)數(shù)： | 14/30頁(yè) |
| 文件大小： | 447K |
| 代理商： | MAX1067CEEE |
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M
Digital Interface
The MAX1067/MAX1068 feature an SPI/QSPI/
MICROWIRE-compatible 3-wire serial interface. The
MAX1067 digital interface consists of digital inputs
CS
,
SCLK, and DIN; and outputs DOUT and
EOC
. The
MAX1067 operates in the following modes:
SPI interface with external clock
SPI interface with internal clock
SPI interface with internal clock and scan mode
In addition to the standard 3-wire serial interface modes,
the MAX1068 includes a DSPR input and a DSPX output
for communicating with DSPs in external clock mode
and a DSEL input to determine 8-bit-wide or 16-bit-wide
data-transfer mode. When not using the MAX1068 in the
DSP interface mode, connect DSPR to DV
DD
and leave
DSPX unconnected.
Command/Configuration/Control Register
Table 1 shows the contents of the command/configura-
tion/control register and the state of each bit after initial
power-up. Tables 2–6 define the control and configura-
tion of the device for each bit. Cycling the power sup-
plies resets the command/configuration/control register
to the power-on-reset default state.
Initialization After Power-Up
A logic high on
CS
places the MAX1067/MAX1068 in the
shutdown mode chosen by the power-down bits, and
places DOUT in a high-impedance state. Drive
CS
low to
power-up and enable the MAX1067/MAX1068 before
starting a conversion. In internal reference mode, allow
5ms for the shutdown internal reference and/or buffer to
wake and stabilize before starting a conversion. In exter-
nal reference mode (or if the internal reference is already
on), no reference settling time is needed after power-up.
Multichannel, 14-Bit, 200ksps Analog-to-Digital
Converters
14
______________________________________________________________________________________
SCLK
DOUT
EOC
AGND
DGND
REFCAP
AIN0
AIN1
AIN2
AIN3
DIN
REF
AV
DD
DV
DD
DOUT
EOC
SCLK
CS
+5V
DIN
ANALOG
INPUTS
+5V
1
μ
F
0.1
μ
F
0.1
μ
F
GND
MAX1067
0.1
μ
F
AGND
CS
Figure 5. MAX1067 Typical Operating Circuit
SCLK
DSPX
DOUT
EOC
AGND
DGND
REFCAP
AIN0
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
AIN7
DIN
DSEL
DSPR
REF
AV
DD
DV
DD
DOUT
EOC
SCLK
DSPX
CS
+5V
16
8
DIN
ANALOG
INPUTS
+5V
1
μ
F
0.1
μ
F
0.1
μ
F
GND
MAX1068
0.1
μ
F
AGND
CS
Figure 6. MAX1068 Typical Operating Circuit
AUTO-ZERO
RAIL
CAPACITIVE
DAC
C
DAC
REF
AGND
TRACK
HOLD
HOLD
TRACK
ZERO
MUX
R
IN
R
DSON
AIN_
C
MUX
C
SWITCH
Figure 7. Equivalent Input Circuit
BIT7 (MSB)
CH SEL2
BIT6
CH SEL1
BIT5
CH SEL0
BIT4
SCAN1
BIT3
SCAN0
BIT2
BIT1
BIT0 (LSB)
INT/EXT CLK
COMMAND
REF/PD_SEL1
REF/PD SEL0
POWER-UP
STATE
0
0
0
0
0
1
1
0
Table 1. Command/Configuration/Control Register
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1067CEEE-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 |
| MAX1068 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:MAX1168 Evaluation Kit/Evaluation System |
| MAX1068ACEG | 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 |
| MAX1068ACEG+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC MultiCh 14-Bit 200ksps 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 |
| MAX1068ACEG+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC MultiCh 14-Bit 200ksps 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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