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参数资料
| 型号： | MAX1285BESA |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | ADC |
| 英文描述： | 400ksps/300ksps, Single-Supply, Low-Power, Serial 12-Bit ADCs with Internal Reference |
| 中文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8 |
| 封装： | 0.150 INCH, MS-012AA, SOIC-8 |
| 文件页数： | 5/15页 |
| 文件大小： | 210K |
| 代理商： | MAX1285BESA |
M
400ksps/300ksps, Single-Supply, Low-Power,
Serial 12-Bit ADCs with Internal Reference
_______________________________________________________________________________________
5
SCLK Rise to
CS
Fall Ignore
CS
Rise to SCLK Rise Ignore
SCLK Rise to DOUT Hold
SCLK Rise to DOUT Valid
CS
Rise to DOUT Disable
CS
Fall to DOUT Enable
CS
Pulse Width High
t
CSO
t
CS1
t
DOH
t
DOV
t
DOD
t
DOE
t
CSW
35
35
10
ns
ns
ns
ns
ns
ns
ns
SCLK Rise to
CS
Rise Hold
t
CSH
0
ns
CS
Fall to SCLK Rise Setup
t
CSS
35
ns
SCLK Pulse Width Low
t
CL
62
ns
80
65
65
C
LOAD
= 20pF
C
LOAD
= 20pF
C
LOAD
= 20pF
C
LOAD
= 20pF
SCLK Pulse Width High
t
CH
62
ns
PARAMETER
SYMBOL
t
CP
MIN
156
TYP
MAX
UNITS
ns
CONDITIONS
SCLK Period
TIMING CHARACTERISTICS
—
MAX1284 (Figures 1, 2, 8, 9)
(V
DD
= +4.5V to +5.5V, T
A
= T
MIN
to T
MAX,
unless otherwise noted.)
TIMING CHARACTERISTICS
—
MAX1285 (Figures 1, 2, 8, 9)
(V
DD
= +2.7V to +3.6V, T
A
= T
MIN
to T
MAX,
unless otherwise noted.)
PARAMETER
SYMBOL
Note 1:
Tested at V
DD
= V
DD(MIN)
.
Note 2:
Relative accuracy is the deviation of the analog value at any code from its theoretical value after the full-scale range has
been calibrated.
Note 3:
Internal reference, offset, and reference errors nulled.
Note 4:
Conversion time is defined as the number of clock cycles multiplied by the clock period; clock has 50% duty cycle.
Note 5:
External load should not change during conversion for specified accuracy. Guaranteed specification limit of 2mV/mA due to
production test limitations.
Note 6:
Electrical characteristics are guaranteed from V
DD(MIN)
to V
DD(MAX)
. For operations beyond this range, see
Typical
Operating Characteristics
.
Note 7:
MAX1284 tested with 20pF on D
OUT
and f
SCLK
= 6.4MHz, 0 to 5V. MAX1285 tested with same loads, f
SCLK
= 4.8MHz,
0 to 3V. D
OUT
= full scale.
10
100
SCLK Rise to
CS
Fall Ignore
CS
Rise to SCLK Rise Ignore
SCLK Rise to DOUT Hold
SCLK Rise to DOUT Valid
CS
Rise to DOUT Disable
CS
Fall to DOUT Enable
CS
Pulse Width High
t
CSO
t
CS1
t
DOH
t
DOV
t
DOD
t
DOE
t
CSW
45
45
13
ns
ns
ns
ns
ns
ns
ns
SCLK Rise to
CS
Rise Hold
t
CSH
0
ns
CS
Fall to SCLK Rise Setup
t
CSS
45
ns
SCLK Pulse Width Low
t
CL
83
ns
100
85
85
13
C
LOAD
= 20pF
C
LOAD
= 20pF
C
LOAD
= 20pF
C
LOAD
= 20pF
100
SCLK Period
SCLK Pulse Width High
t
CP
t
CH
208
83
ns
MIN
TYP
MAX
UNITS
ns
CONDITIONS
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| MAX1285BESA+ | 功能描述:模数转换器 - ADC 12-Bit 300ksps 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 |
| MAX1285BESA+T | 功能描述:模数转换器 - ADC 12-Bit 300ksps 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 |
| MAX1285BESA-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 |
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