參數資料
型號: MAX1267AEEG+T
廠商: Maxim Integrated Products
文件頁數: 14/19頁
文件大小: 0K
描述: IC ADC 12BIT 265KSPS 24-QSOP
標準包裝: 2,500
位數: 12
采樣率(每秒): 265k
數據接口: 并聯
轉換器數目: 1
功率耗散(最大): 5.4mW
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: 24-SSOP(0.154",3.90mm 寬)
供應商設備封裝: 24-QSOP
包裝: 帶卷 (TR)
輸入數目和類型: 2 個單端,單極;2 個單端,雙極;1 個偽差分,單極;1 個偽差分,雙極
MAX1265/MAX1267
265ksps, +3V, 6-/2-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
4
_______________________________________________________________________________________
tTR
20
70
ns
CLOAD = 20pF, Figure 1
RD Rise to Output Disable
WR to CLK Fall Setup Time
tCWS
40
ns
CLK Pulse Width High
ns
CLK Period
tCH
40
RD Fall to Output Data Valid
tDO
20
70
ns
RD Fall to INT High Delay
tINT1
100
ns
CS Fall to Output Data Valid
tDO2
110
ns
CLOAD = 20pF, Figure 1
tCP
208
CLK Pulse Width Low
tCL
40
ns
Data Valid to WR Rise Time
tDS
40
ns
WR Rise to Data Valid Hold Time
tDH
0
ns
CLK Fall to WR Hold Time
tCWH
40
ns
CS to CLK or WR Setup Time
tCSWS
60
ns
CLK or WR to CS Hold Time
tCSWH
0
ns
CS Pulse Width
tCS
100
ns
WR Pulse Width
tWR
60
ns
tTC
20
100
ns
(Note 8)
CLOAD = 20pF, Figure 1
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
CONDITIONS
CS Rise to Output Disable
Note 1: Tested at VDD = +3V, COM = GND, unipolar single-ended input mode.
Note 2: Relative accuracy is the deviation of the analog value at any code from its theoretical value after offset and gain errors have
been removed.
Note 3: Offset nulled.
Note 4: On channel is grounded; sine wave applied to off channels.
Note 5: Conversion time is defined as the number of clock cycles times the clock period; clock has a 50% duty cycle.
Note 6: Input voltage range referenced to negative input. The absolute range for the analog inputs is from GND to VDD.
Note 7: External load should not change during conversion for specified accuracy.
Note 8: When bit 5 is set low for internal acquisition, WR must not return low until after the first falling clock edge of the conversion.
TIMING CHARACTERISTICS
(VDD = +2.7V to +3.6V, COM = GND, REFADJ = VDD, VREF = +2.5V, 4.7F capacitor at REF pin, fCLK = 4.8MHz (50% duty cycle),
TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
6k
3k
DOUT
VDD
a) HIGH-Z TO VOH AND VOL TO VOH
b) HIGH-Z TO VOL AND VOH TO VOL
CLOAD
20pF
CLOAD
20pF
Figure 1. Load Circuits for Enable/Disable Times
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MAX1267BCEG+ 功能描述:模數轉換器 - ADC 12-Bit 2Ch 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
MAX1267BCEG+T 功能描述:模數轉換器 - ADC 12-Bit 2Ch 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
MAX1267BCEG-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
MAX1267BEEG 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