參數(shù)資料
型號： MAX1068ACEG+
廠商： Maxim Integrated Products
文件頁數(shù)： 6/30頁
文件大?。?/td> 0K
描述： IC ADC 14BIT 200KSPS 24-QSOP
標準包裝： 50
位數(shù)： 14
采樣率（每秒）： 200k
數(shù)據(jù)接口： MICROWIRE?，QSPI?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 762mW
電壓電源： 模擬和數(shù)字
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 24-SSOP（0.154"，3.90mm 寬）
供應商設備封裝： 24-QSOP
包裝： 管件
輸入數(shù)目和類型： 8 個單端，單極
MAX1067/MAX1068
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 DVDD 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
AGND
DGND
AIN0
REF
AVDD
DVDD
DOUT
SCLK
CS
+5V
DIN
ANALOG
INPUTS
+5V
1
F
0.1
F
0.1
F
GND
MAX1067
0.1
F
AIN1
AIN2
AIN3
DIN
EOC
AGND
REFCAP
CS
Figure 5. MAX1067 Typical Operating Circuit
SCLK
DOUT
AGND
DGND
AIN0
REF
AVDD
DVDD
DOUT
SCLK
CS
+5V
16
8
DIN
ANALOG
INPUTS
+5V
1
F
0.1
F
0.1
F
GND
MAX1068
0.1
F
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
AIN7
DIN
DSEL
DSPR
DSPX
EOC
AGND
REFCAP
EOC
CS
Figure 6. MAX1068 Typical Operating Circuit
AUTO-ZERO
RAIL
CAPACITIVE
DAC
CDAC
REF
AGND
TRACK
HOLD
TRACK
ZERO
MUX
RIN
RDSON
AIN_
CMUX
CSWITCH
Figure 7. Equivalent Input Circuit
BIT7 (MSB)
BIT6
BIT5
BIT4
BIT3
BIT2
BIT1
BIT0 (LSB)
COMMAND
CH SEL2
CH SEL1
CH SEL0
SCAN1
SCAN0
REF/PD_SEL1
REF/PD SEL0
INT/EXT CLK
POWER-UP
STATE
0
110
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
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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1068ACEG-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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1068AEEG 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1068AEEG+ 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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