參數資料
型號: MAX1295BEEI+
廠商: Maxim Integrated Products
文件頁數: 5/19頁
文件大小: 0K
描述: IC ADC 12BIT 265KSPS 28-QSOP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 50
位數: 12
采樣率(每秒): 265k
數據接口: 并聯(lián)
轉換器數目: 1
功率耗散(最大): 762mW
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: 28-SSOP(0.154",3.90mm 寬)
供應商設備封裝: 28-QSOP
包裝: 管件
輸入數目和類型: 6 個單端,單極;6 個單端,雙極;3 個偽差分,單極;3 個偽差分,雙極
產品目錄頁面: 1396 (CN2011-ZH PDF)
MAX1295/MAX1297
265ksps, +3V, 6-/2-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
______________________________________________________________________________________
13
External Clock Mode
To select the external clock mode, bits D6 and D7 of
the control byte must be set to 1. Figure 6 shows the
clock and WR timing relationship for internal (Figure 6a)
and external (Figure 6b) acquisition modes with an
external clock. For proper operation, a 100kHz to
4.8MHz clock frequency with 30% to 70% duty cycle is
recommended. Operating the MAX1295/MAX1297 with
clock frequencies lower than 100kHz is not recommend-
ed because the resulting voltage droop across the hold
capacitor in the T/H stage degrades performance.
Digital Interface
The input and output data are multiplexed on a three-
state parallel interface (I/O) that can easily be inter-
faced with standard Ps. The signals CS, WR, and RD
control the write and read operations. CS represents
Figure 6a. External Clock and WR Timing (Internal Acquisition Mode)
Figure 6b. External Clock and WR Timing (External Acquisition Mode)
WR
CLK
WR
WR GOES HIGH WHEN CLK IS HIGH.
WR GOES HIGH WHEN CLK IS LOW.
tCWS
tCH
tCL
tCP
tCWH
ACQUISITION STARTS
CONVERSION STARTS
ACQUISITION ENDS
ACQMOD = "0"
WR
CLK
WR
WR GOES HIGH WHEN CLK IS HIGH
WR GOES HIGH WHEN CLK IS LOW
tDH
tCWH
tCWS
ACQUISITION STARTS
CONVERSION STARTS
ACQUISITION ENDS
ACQMOD = "1"
ACQMOD = "0"
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相關代理商/技術參數
參數描述
MAX1295BEEI+ 功能描述:模數轉換器 - ADC 12-Bit 6Ch 265ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量: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
MAX1295BEEI+T 功能描述:模數轉換器 - ADC 12-Bit 6Ch 265ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量: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
MAX1295BEEI-T 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量: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
MAX1296ACEG 功能描述:模數轉換器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道數量: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
MAX1296ACEG+ 功能描述:模數轉換器 - ADC 12-Bit 2Ch 420ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量: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