參數(shù)資料
型號： MAX1168CCEG
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： Multichannel, 16-Bit, 200ksps Analog-to-Digital Converters
中文描述： 8-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24
封裝： 0.150 INCH, 0.025 INCH PITCH, MO-137AE, QSOP-24
文件頁數(shù)： 14/30頁
文件大?。?/td> 462K
代理商： MAX1168CCEG
M
Digital Interface
The MAX1167/MAX1168 feature an SPI/QSPI/
MICROWIRE-compatible, 3-wire serial interface. The
MAX1167 digital interface consists of digital inputs
CS
,
SCLK, and DIN and outputs DOUT and
EOC
. The
MAX1167 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 MAX1168 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 MAX1168 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 configuration
of the device for each bit. Cycling the power supplies
resets the command/configuration/control register to the
power-on-reset default state.
Initialization After Power-Up
A logic high on
CS
places the MAX1167/MAX1168 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 MAX1167/MAX1168
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 external reference mode (or if the inter-
nal reference is already on), no reference settling time
is needed after power-up.
Multichannel, 16-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
MAX1167
0.1
μ
F
AGND
CS
Figure 5. MAX1167 Typical Operating Circuit
SCLK
DSPX
DOUT
EOC
AGND
DGND
REFCAP
AIN0
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
AIN7
DIN
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
MAX1168
0.1
μ
F
DSEL
DSPR
AGND
CS
Figure 6. MAX1168 T ypical Operating Circuit
AUTOZERO
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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相關代理商/技術參數(shù)
參數(shù)描述
MAX1168CCEG+ 功能描述:模數(shù)轉換器 - ADC Integrated Circuits (ICs) Analog to Digital Converters - IC ADC 16BIT 200KSPS 24-QSOP RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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
MAX1168CCEG+T 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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
MAX1168CCEG-T 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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
MAX1168CEEG 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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
MAX1168CEEG+ 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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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