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参数资料
| 型号： | MAX1284EVC16 |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/15页 |
| 文件大小： | 0K |
| 描述： | EVALUATION SYSTEM FOR MAX1284 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 12 |
| 采样率（每秒）： | 400k |
| 数据接口： | 串行 |
| 输入范围： | 0 ~ 2.5 V |
| 在以下条件下的电源（标准）： | 13.75mW @ 400kSPS |
| 工作温度： | 0°C ~ 70°C |
| 已用 IC / 零件： | MAX1284 |
| 已供物品： | 2 板，CD |
MAX1284/MAX1285
400ksps/300ksps, Single-Supply, Low-Power,
Serial 12-Bit ADCs with Internal Reference
______________________________________________________________________________________
13
Figure 14 shows the recommended system ground con-
nections. Establish a single-point analog ground (“star”
ground point) at GND, separate from the logic ground.
Connect all other analog grounds and DGND to this star
ground point for further noise reduction. No other digital
system ground should be connected to this single-point
analog ground. The ground return to the power supply for
this ground should be low impedance and as short as
possible for noise-free operation.
High-frequency noise in the VDD power supply may affect
the ADC’s high-speed comparator. Bypass this supply to
the single-point analog ground with 0.1F and 10F
bypass capacitors. Minimize capacitor lead lengths for
best supply noise rejection. To reduce the effects of sup-
ply noise, a 10
Ω resistor can be connected as a lowpass
filter to attenuate supply noise (Figure 14).
Definitions
Integral Nonlinearity
Integral nonlinearity (INL) is the deviation of the values on
an actual transfer function from a straight line. This
straight line can be either a best-straight-line fit or a line
drawn between the endpoints of the transfer function,
once offset and gain errors have been nullified. The static
linearity parameters for the MAX1284/MAX1285 are mea-
sured using the endpoints method.
Differential Nonlinearity
Differential nonlinearity (DNL) is the difference between
an actual step width and the ideal value of 1LSB. A DNL
error specification of 1LSB or less guarantees no missing
codes and a monotonic transfer function.
CS
SCLK
DOUT
916
8
1
D0
D11
D10
D9
D8
D6
D5
D4
D3
D2
D1
D7
FIRST BYTE READ
SECOND BYTE READ
HIGH-Z
SCLK
DOUT
CS
14
13
D11
D10
D9
D8
D4
D5
D6
D3
D2
D1
D0
HIGH-Z
D7
HIGH-Z
Figure 12. SPI/MICROWIRE Serial Interface Timing (CPOL = CPHA = 0)
Figure 13. QSPI Serial Interface Timing (CPOL = 0, CPHA = 1)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1284EVKIT | 功能描述:数据转换 IC 开发工具 MAX1284 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| MAX1285BCSA | 功能描述:模数转换器 - ADC Integrated Circuits (ICs) 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 |
| MAX1285BCSA+ | 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 |
| MAX1285BCSA+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 |
| MAX1285BCSA-T | 功能描述:模数转换器 - ADC Integrated Circuits (ICs) 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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