參數(shù)資料
型號(hào)： MAX115EVB16
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 4/14頁(yè)
文件大?。?/td> 0K
描述： EVAL KIT FOR MAX115
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
ADC 的數(shù)量： 1
位數(shù)： 12
采樣率（每秒）： 116k
數(shù)據(jù)接口： 并聯(lián)
輸入范圍： ±5 V
在以下條件下的電源（標(biāo)準(zhǔn)）： 17mW @ 116kSPS
工作溫度： 0°C ~ 70°C
已用 IC / 零件： MAX115
已供物品： 2 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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX115EVKIT 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開(kāi)發(fā)工具 MAX115 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類(lèi)型:ADC 工具用于評(píng)估:ADS130E08 接口類(lèi)型:SPI 工作電源電壓:- 6 V to + 6 V
MAX115-MAX116 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:2x4-Channel, Simultaneous-Sampling 12-Bit ADCs
MAX116 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:2x4-Channel, Simultaneous-Sampling 12-Bit ADCs
MAX1160 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:10-Bit, 20Msps, TTL-Output ADC
MAX11600 制造商:MAXIM 制造商全稱(chēng):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
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