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参数资料
| 型号： | MAX115EVKIT |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/14页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT FOR MAX115 |
| 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）： | 116k |
| 数据接口： | 并联 |
| 输入范围： | ±5 V |
| 在以下条件下的电源（标准）： | 17mW @ 116kSPS |
| 工作温度： | 0°C ~ 70°C |
| 已用 IC / 零件： | MAX115 |
| 已供物品： | 板，CD |
MAX115/MAX116
(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
HC161
1/2 HC74
VCC
ENP
ENT
LOAD
A
B
C
D
(LSB) 0
1
2
3
RCO
DQ
Q
CLR
P0
P1
P2
P3
P4
P5
P6
P7
HC688
P = Q
Q0
Q1
Q2
VCC
Q3
Q4
Q5
Q6
Q7
G
LATCH
CLOCK
(TO 16373 LATCH)
0
CH1
0
1
CH2
0
CH3
1
CH4
1
10k
EXTERNAL
CLOCK
EXTERNAL
CLOCK
RD
INT
Figure 9. Output Demultiplexer Circuit
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| GSC13DREI | CONN EDGECARD 26POS .100 EYELET |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX115-MAX116 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:2x4-Channel, Simultaneous-Sampling 12-Bit ADCs |
| MAX116 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:2x4-Channel, Simultaneous-Sampling 12-Bit ADCs |
| MAX1160 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:10-Bit, 20Msps, TTL-Output ADC |
| MAX11600 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/8-/12-Channel 2-Wire Serial 8-Bit ADCs |
| MAX11600_10 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Evaluation System |
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