參數(shù)資料
型號(hào)： MAX1168BCEG+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 9/30頁(yè)
文件大?。?/td> 0K
描述： IC ADC 16BIT 200KSPS 24-QSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 50
位數(shù)： 16
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(lèi)型： 表面貼裝
封裝/外殼： 24-SSOP（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 24-QSOP
包裝： 管件
輸入數(shù)目和類(lèi)型： 8 個(gè)單端，單極
SCLK rates less than 125kHz can reduce accuracy due
to leakage of the sampling capacitor. DOUT changes
from high-Z to logic low after CS is brought low. Input
data latches on the rising edge of SCLK. The first SCLK
rising edge begins loading data into the command/con-
figuration/control register from DIN. The devices select
the proper channel for conversion on the rising edge of
the 3rd SCLK cycle. Acquisition begins immediately
thereafter and ends on the falling edge of the 6th clock
cycle. The MAX1167/MAX1168 sample the input and
begin conversion on the falling edge of the 6th clock
cycle.
Setup
and
configuration
of
the
MAX1167/MAX1168 complete on the rising edge of the
8th clock cycle. The conversion result is available (MSB
first) at DOUT on the falling edge of the 8th SCLK cycle.
To read the entire conversion result, 16 SCLK cycles are
needed. Extra clock pulses, occurring after the conver-
sion result has been clocked out and prior to the rising
edge of CS, cause zeros to be clocked out of DOUT.
The MAX1167/ MAX1168 external clock 8-bit-wide data-
transfer mode requires 24 SCLK cycles for completion
(Figure 10).
Force CS high after the conversion result is read. For
maximum throughput, force CS low again to initiate the
next conversion immediately after the specified mini-
mum time (tCSW). Forcing CS high in the middle of a
conversion immediately aborts the conversion and
places the MAX1167/MAX1168 in shutdown.
External Clock 16-Bit-Wide Data-Transfer Mode
(MAX1168 Only)
Force DSPR high and DSEL high for SPI/QSPI/
MICROWIRE interface mode. Logic high at DSEL allows
the MAX1168 to transfer data in 16-bit-wide words. The
acquisition time is extended an extra eight SCLK cycles
in the 16-bit-wide data-transfer mode. The falling edge of
CS wakes the analog circuitry and allows SCLK to clock
in data. Ensure the duty cycle on SCLK is between 45%
and 55% when operating at 4.8MHz (the maximum clock
frequency). For lower clock frequencies, ensure that the
minimum high and low times are at least 93ns. External-
clock-mode conversions with SCLK rates less than
125kHz can reduce accuracy due to leakage of the sam-
pling capacitor. DOUT changes from high-Z to logic low
after CS is brought low. Input data latches on the rising
edge of SCLK. The first SCLK rising edge begins loading
data into the command/configuration/control register from
DIN. The devices select the proper channel for conver-
sion and begin acquisition on the rising edge of the 3rd
SCLK cycle. Setup and configuration of the MAX1168
completes on the rising edge of the 8th clock cycle.
Acquisition ends on the falling edge of the 14th SCLK
cycle. The MAX1168 samples the input and begins con-
version on the falling edge of the 14th clock cycle. The
conversion result is available (MSB first) at DOUT on the
falling edge of the 16th SCLK cycle. To read the entire
conversion result, 16 SCLK cycles are needed. Extra
clock pulses, occurring after the conversion result has
been clocked out and prior to the rising edge of CS,
cause zeros to be clocked out of DOUT.
MAX1167/MAX1168
Multichannel, 16-Bit, 200ksps Analog-to-Digital
Converters
______________________________________________________________________________________________________
17
DOUT
CS
SCLK
DIN
DSPR*
*MAX1168 ONLY
0
MSB
LSB
MSB
LSB
tACQ
IDLE
tCONV
ADC
STATE
1
8
16
DSEL*
24
Figure 10. SPI External Clock Mode, 8-Bit Data-Transfer Mode, Conversion Timing
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1168BCEG+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 8Ch 200ksps 5.25V 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1168BCEG+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 8Ch 200ksps 5.25V 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1168BCEG-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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1168BEEG 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX1168BEEG+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 8Ch 200ksps 5.25V 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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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