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參數(shù)資料
| 型號(hào)： | MAX1068ACEG+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 11/30頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 14BIT 200KSPS 24-QSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 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(yīng)商設(shè)備封裝： | 24-QSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 8 個(gè)單端，單極 |
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sition. Use the EOC high-to-low transition as the signal
to restart the external clock (SCLK). 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 the conversion result to be shifted out again. The
MAX1067/MAX1068 internal clock 8-bit-wide data-
transfer mode requires 24 external clock cycles and 25
internal clock cycles for completion.
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 MAX1067/MAX1068 in shutdown.
Scan mode allows multiple channels to be scanned
consecutively or one channel to be scanned eight
times. Scan mode can only be enabled when using the
MAX1067/MAX1068 in the internal clock mode. Enable
scanning by setting bits 4 and 3 in the command/con-
figuration/control register (see Tables 3 and 4). In scan
mode, conversion results are stored in memory until the
completion of the last conversion in the sequence.
Upon completion of the last conversion in the
sequence, EOC transitions from high to low to indicate
the end of the conversion and shuts down the internal
oscillator. Use the EOC high-to-low transition as the sig-
nal to restart the external clock (SCLK). DOUT provides
the conversion results in the same order as the channel
conversion process. The MSB of the first conversion is
available at DOUT on the falling edge of EOC (Figure 14).
MAX1067/MAX1068
Multichannel, 14-Bit, 200ksps Analog-to-Digital
Converters
______________________________________________________________________________________
19
DOUT
CS
SCLK
DIN
EOC
X X X X X X X X
DATA
LSB
S1 S0
X
tACQ
CONFIGURATION
X = DON
,
T CARE
DSPR = DSEL = DVDD
tCONV
POWER-DOWN
ADC
STATE
INTERNAL
CLK
1
89
16
213
32
24
17
32
MSB
Figure 13. SPI Internal Clock Mode,16-Bit Data-Transfer Mode, Conversion Timing (MAX1068 Only)
DOUT
CS
SCLK
DIN
EOC
ADC
STATE
INTERNAL
CLK
1
8
940
2
6
24
48
30
26
1
MSB
LSB
S1 S0
X
MSB
tACQ
CONFIGURATION
POWER-DOWN
tCONV
tACQ
tCONV
X = DON
,
T CARE
DSPR = DVDD, DSEL = GND (MAX1068 ONLY)
Figure 14. SPI Internal Clock Mode, 8-Bit Data-Transfer Mode, Scan Mode for Two Conversions, Conversion Timing
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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(fēng)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1068AEEG+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 |
| MAX1068AEEG-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 |
| MAX1068BCEG | 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 |
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