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参数资料
| 型号： | MAX115CAX |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | ADC |
| 英文描述： | Low-Voltage Adjustable Precision Shunt Regulator 3-SOT-23 -40 to 85 |
| 中文描述： | 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO36 |
| 封装： | 0.300 INCH, 0.80 MM PITCH, SSOP-36 |
| 文件页数： | 12/14页 |
| 文件大小： | 215K |
| 代理商： | MAX115CAX |
M
(LSB) values. Output coding is two-complement binary
with 1LSB = 2.44mV for the MAX115 and
1LSB = 1.22mV for the MAX116.
Output Demultiplexer
An output demultiplexer circuit is useful for isolating
data from one channel in a four-channel conversion
sequence. Figure 9’s circuit uses the external 16MHz
clock and the
INT
signal to generate four
RD
pulses
and a latch clock to save data from the desired chan-
nel.
CS
must be low during the four
RD
pulses. The
channel is selected with the binary coding of two
switches. A 16-bit 16373 latch simplifies layout.
Motor-Control Applications
Vector motor control requires monitoring of the individ-
ual phase currents. In their most basic application, the
MAX115/MAX116 simultaneously sample two currents
(CH1A and CH2A, Figure 10) and preserve the neces-
sary relative phase information. Only two of the three
phase currents have to be digitized because the third
component can be mathematically derived with a coor-
dinate transformation.
The circuit of Figure 10 shows a typical vector motor-
control application using all available inputs of the
MAX115/MAX116. CH1A and CH2A are connected
to two isolated Hall-effect current sensors and are a
2x4-Channel, Simultaneous-Sampling
12-Bit ADCs
12
______________________________________________________________________________________
PRE
CLR
ENP
ENT
LOAD
HC161
1/2 HC74
V
CC
V
CC
V
CC
A
B
C
D
(LSB) 0
1
2
3
RCO
D
Q
Q
CLR
P0
P1
P2
P3
P4
P5
P6
P7
HC688
P = Q
Q0
Q1
Q2
Q3
V
CC
Q4
Q5
Q6
Q7
G
LATCH
CLOCK
(TO 16373 LATCH)
0
1
0
1
CH1
CH2
CH3
CH4
0
0
1
1
10k
EXTERNAL
CLOCK
EXTERNAL
CLOCK
RD
INT
Figure 9. Output Demultiplexer Circuit
相关PDF资料 |
PDF描述 |
|---|---|
| MAX116EAX | 2x4-Channel, Simultaneous-Sampling 12-Bit ADCs |
| MAX115-MAX116 | 2x4-Channel, Simultaneous-Sampling 12-Bit ADCs |
| MAX116 | 2x4-Channel, Simultaneous-Sampling 12-Bit ADCs |
| MAX1160ACPI | 10-Bit, 20Msps, TTL-Output ADC |
| MAX1160 | Low-Voltage Adjustable Precision Shunt Regulator 3-SOT-23 -40 to 85 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX115CAX+ | 功能描述:数据转换系统 12-Bit 8Ch 116ksps 2.6V Precision ADC RoHS:否 制造商:Texas Instruments 转换速率:0.001 MSPs 分辨率:24 bit 最大工作温度:+ 125 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX115CAX+T | 功能描述:数据转换系统 12-Bit 8Ch 116ksps 2.6V Precision ADC RoHS:否 制造商:Texas Instruments 转换速率:0.001 MSPs 分辨率:24 bit 最大工作温度:+ 125 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX115CAX-T | 功能描述:数据转换系统 RoHS:否 制造商:Texas Instruments 转换速率:0.001 MSPs 分辨率:24 bit 最大工作温度:+ 125 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX115EAX | 功能描述:数据转换系统 Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 转换速率:0.001 MSPs 分辨率:24 bit 最大工作温度:+ 125 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX115EAX+ | 制造商:Maxim Integrated Products 功能描述: |
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