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参数资料
| 型号： | MAX1240AEPA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/15页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT SERIAL 8-DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 位数： | 12 |
| 采样率（每秒）： | 73k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 727mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
| 输入数目和类型： | 1 个单端，单极 |
VDD = 3.6V
MAX1240/MAX1241
+2.7V, Low-Power,
12-Bit Serial ADCs in 8-Pin SO
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +3.6V (MAX1240); VDD = +2.7V to +5.25V (MAX1241); 73ksps, fSCLK = 2.1MHz (50% duty cycle); MAX1240—4.7F
capacitor at REF pin, MAX1241—external reference; VREF = 2.500V applied to REF pin; TA = TMIN to TMAX; unless otherwise noted.)
Note 1: Tested at VDD = +2.7V.
Note 2: Relative accuracy is the deviation of the analog value at any code from its theoretical value after the full-scale range and
offset have been calibrated.
Note 3: MAX1240—internal reference, offset nulled; MAX1241—external reference (VREF = +2.500V), offset nulled.
Note 4: External load should not change during conversion for specified accuracy.
Note 5: Guaranteed by design. Not subject to production testing.
Note 6: Measured as [VFS(2.7V) - VFS(VDD(MAX)].
Note 7: To guarantee acquisition time, tACQ is the maximum time the device takes to acquire the signal, and is also the minimum
time needed for the signal to be acquired.
SCLK Pulse Width Low
tCL
200
ns
SCLK Pulse Width High
tCH
200
ns
SCLK Clock Frequency
fSCLK
0
2.1
MHz
CS Rise to Output Disable
tTR
240
ns
SCLK Low to CS Fall Setup Time
tCS0
50
ns
DOUT Rise to SCLK Rise (Note 5)
tSTR
0
ns
CS Pulse Width
tCS
240
ns
Figure 2, CLOAD = 50pF
CS Fall to Output Enable
tDV
240
ns
Figure 1, CLOAD = 50pF
PARAMETERS
SYMBOL
MIN
TYP
MAX
UNITS
CONDITIONS
Acquisition Time
tACQ
1.5
s
CS = VDD (Note 6)
TIMING CHARACTERISTICS (Figure 8)
(VDD = +2.7V to +3.6V (MAX1240); VDD = +2.7V to +5.25V (MAX1241); TA = TMIN to TMAX, unless otherwise noted.)
PARAMETERS
SYMBOL
MIN
TYP
MAX
UNITS
CONDITIONS
2.7
3.6
MAX1240
2.7
5.25
MAX1241
VDD
Supply Voltage
V
±0.3
(Note 5)
PSR
Supply Rejection
mV
20
240
SCLK Fall to Output Data Valid
tDO
20
200
ns
Figure 1,
CLOAD = 50pF
MAX124_ _C/E
MAX124_ _M
1.4
2.0
Operating
mode
1.6
2.5
VDD = 3.6V
3.5
15
VDD = 5.25V
VDD = 3.6V
VDD = 5.25V
IDD
1.9
10
Power-down, digital inputs
at 0V or VDD
1.4
3.5
A
0.9
1.5
VDD = 3.6V
MAX1240C
MAX1241A/B
Supply Current
MAX1240A/B
mA
1.6
3.8
VDD = 3.6V
VDD = 5.25V
0.9
2.8
MAX1241C
POWER REQUIREMENTS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1240AEPA+ | 功能描述:模数转换器 - ADC 12-Bit 73ksps 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 |
| MAX1240AESA | 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 |
| MAX1240AESA/V+ | 功能描述:模数转换器 - ADC 12-Bit 73ksps 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 |
| MAX1240AESA/V+T | 功能描述:模数转换器 - ADC 12-Bit 73ksps 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 |
| MAX1240AESA+ | 功能描述:模数转换器 - ADC 12-Bit 73ksps 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 |
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