参数资料
型号: MAX1267BCEG
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: ADC
英文描述: 265ksps, +3V, 6-/2-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface
中文描述: 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24
封装: 0.150 INCH, 0.025 INCH PITCH, MO-137, QSOP-24
文件页数: 4/19页
文件大小: 307K
代理商: MAX1267BCEG
M
265ksps, +3V, 6-/2-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
4
_______________________________________________________________________________________
t
TR
t
DO
t
INT1
t
DO2
20
20
70
70
100
110
ns
ns
ns
ns
C
LOAD
= 20pF, Figure 1
C
LOAD
= 20pF, Figure 1
C
LOAD
= 20pF, Figure 1
C
LOAD
= 20pF, Figure 1
RD
Rise to Output Disable
RD
Fall to Output Data Valid
RD
Fall to
INT
High Delay
CS
Fall to Output Data Valid
WR
to CLK Fall Setup Time
CLK Fall to
WR
Hold Time
CS
to CLK or
WR
Setup Time
CLK or
WR
to
CS
Hold Time
CS
Pulse Width
WR
Pulse Width
CS
Rise to Output Disable
t
CWS
t
CWH
t
CSWS
t
CSWH
t
CS
t
WR
t
TC
40
40
60
0
100
60
20
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CLK Pulse Width High
CLK Pulse Width Low
Data Valid to
WR
Rise Time
WR
Rise to Data Valid Hold Time
ns
CLK Period
t
CH
t
CL
t
DS
t
DH
40
40
40
0
t
CP
208
100
(Note 8)
C
LOAD
= 20pF, Figure 1
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
CONDITIONS
Note 1:
Tested at V
DD
= +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 V
DD
.
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
(V
DD
= +2.7V to +3.6V, COM = GND, REFADJ = V
DD
, V
REF
= +2.5V, 4.7μF capacitor at REF pin, f
CLK
= 4.8MHz (50% duty cycle),
T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
6k
3k
DOUT
DOUT
V
DD
a)
HIGH-Z TO V
OH
AND V
OL
TO V
OH
b)
HIGH-Z TO V
OL
AND V
OH
TO V
OL
C
LOAD
20pF
C
LOAD
20pF
Figure 1. Load Circuits for Enable/Disable Times
相关PDF资料
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MAX1265BCEI 265ksps, +3V, 6-/2-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface
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相关代理商/技术参数
参数描述
MAX1267BCEG+ 功能描述:模数转换器 - ADC 12-Bit 2Ch 265ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX1267BCEG+T 功能描述:模数转换器 - ADC 12-Bit 2Ch 265ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX1267BCEG-T 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX1267BEEG 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX1267BEEG+ 功能描述:模数转换器 - ADC 12-Bit 2Ch 265ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32