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参数资料
| 型号： | MAX1202EVKIT |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/24页 |
| 文件大小： | 0K |
| 描述： | EVALUATION KIT FOR MAX1202 |
| 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）： | 133k |
| 数据接口： | 串行 |
| 输入范围： | ±VREF/2 |
| 在以下条件下的电源（标准）： | 7.5mW @ 133kSPS |
| 工作温度： | 0°C ~ 70°C |
| 已用 IC / 零件： | MAX1202，MAX1203 |
| 已供物品： | 板，CD |
MAX1202/MAX1203
5V, 8-Channel, Serial, 12-Bit ADCs
with 3V Digital Interface
______________________________________________________________________________________
21
Figure 16. Bipolar Transfer Function, ±4.096V/2 = Full Scale
Figure 15. Unipolar Transfer Function, 4.096V = Full Scale
(“star” ground point) at GND. Connect all other analog
grounds to this ground. 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 pos-
sible for noise-free operation.
High-frequency noise in the power supplies can affect
the ADC’s high-speed comparator. Bypass these sup-
plies to the single-point analog ground with 0.1F and
4.7F
bypass
capacitors
close
to
the
MAX1202/MAX1203. Minimize capacitor lead lengths
for best supply-noise rejection. If the +5V power supply
is very noisy, a 10
resistor can be connected as a
lowpass filter, as shown in Figure 18.
OUTPUT CODE
FULL-SCALE
TRANSITION
11 . . . 111
11 . . . 110
11 . . . 101
00 . . . 011
00 . . . 010
00 . . . 001
00 . . . 000
12
3
0
FS
FS - 3/2LSB
+4.096V
+ 4.096V
4096
FS =
1LSB =
INPUT VOLTAGE (LSBs)
011 . . . 111
OUTPUT CODE
011 . . . 110
000 . . . 010
000 . . . 001
000 . . . 000
111 . . . 111
111 . . . 110
111 . . . 101
100 . . . 001
100 . . . 000
-FS
0V
INPUT VOLTAGE (LSBs)
+FS - 1LSB
FS = +2.048V
1LSB =
+4.096V
4096
+5V
510k
100k
24k
0.01F
12
REFADJ
MAX1202
Figure 17. MAX1202 Reference-Adjust Circuit
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1202EVL11-DIP | 功能描述:数据转换 IC 开发工具 MAX1202 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 |
| MAX1203ACAP | 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 |
| MAX1203ACAP+ | 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 5V 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 |
| MAX1203ACAP+T | 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 5V 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 |
| MAX1203ACAP-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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