參數(shù)資料
型號: MAX1246BEEE+
廠商: Maxim Integrated Products
文件頁數(shù): 9/25頁
文件大小: 0K
描述: IC ADC 12BIT SERIAL 16-QSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 100
位數(shù): 12
采樣率(每秒): 133k
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): 667mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-QSOP
包裝: 管件
輸入數(shù)目和類型: 4 個(gè)單端,單極;4 個(gè)單端,雙極;2 個(gè)差分,單極;2 個(gè)差分,雙極
產(chǎn)品目錄頁面: 1396 (CN2011-ZH PDF)
MAX1246/MAX1247
+2.7V, Low-Power, 4-Channel,
Serial 12-Bit ADCs in QSOP-16
______________________________________________________________________________________
17
determines clock mode and power-down states. For
example, if the DIN word contains PD1 = 1, then the
chip remains powered up. If PD0 = PD1 = 0, a
power-down resumes after one conversion.
Hardware Power-Down
Pulling SHDN low places the converter in hardware
power-down (Table 6). Unlike software power-down
mode, the conversion is not completed; it stops coin-
cidentally with SHDN being brought low. SHDN also
controls the clock frequency in internal clock mode.
Letting SHDN float sets the internal clock frequency to
1.8MHz. When returning to normal operation with SHDN
floating, there is a tRC delay of approximately 2M
x CL,
where CL is the capacitive loading on the SHDN pin.
Pulling SHDN high sets internal clock frequency to
225kHz. This feature eases the settling-time requirement
for the reference voltage. With an external reference, the
MAX1246/MAX1247 can be considered fully powered up
within 2s of actively pulling SHDN high.
POWERED UP
HARDWARE
POWER-
DOWN
POWERED UP
12 DATA BITS
INVALID
DATA
VALID
DATA
EXTERNAL
SX XXXX 11
S
0 0
XX
X
X X XXX
S1 1
SOFTWARE
POWER-DOWN
MODE
DOUT
DIN
CLOCK
MODE
SHDN
SETS EXTERNAL
CLOCK MODE
SETS EXTERNAL
CLOCK MODE
SETS SOFTWARE
POWER-DOWN
POWERED UP
DATA VALID
INTERNAL
SX XXXX 10
S
0 0
XX
X
S
MODE
DOUT
DIN
CLOCK
MODE
SETS INTERNAL
CLOCK MODE
SETS
POWER-DOWN
CONVERSION
SSTRB
Figure 11a. Timing Diagram Power-Down Modes, External Clock
Figure 11b. Timing Diagram Power-Down Modes, Internal Clock
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1246BEEE+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4Ch 133ksps 3.6V 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
MAX1246BEEE+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4Ch 133ksps 3.6V 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
MAX1246BEEE-T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4Ch 133ksps 3.6V 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
MAX1246BEPE 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
MAX1246BEPE+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4Ch 133ksps 3.6V 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