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參數(shù)資料
| 型號(hào)： | MAX115EVB16 |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 2/14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 |
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MAX115/MAX116
For multichannel conversions, INT goes low after the last
channel has been digitized.
To input data into the MAX115/MAX116, pull CS low,
program the bidirectional pins A0–A3 (Table 1), and
pulse WR low. Data is latched into the devices on the
WR or CS rising edge. The ADC is now ready to convert.
Once programmed, the ADC continues operating in the
same mode until reprogrammed or until power is
removed. Figure 5 shows an example of programming a
four-channel conversion using Input Mux A.
Starting a Conversion
After programming the MAX115/MAX116 as outlined in
the Programming Modes section, pulse CONVST low to
initiate a conversion sequence. The analog inputs are
sampled at the CONVST rising edge. Do not start a
new conversion while the conversion is in progress.
Monitor the INT output. A falling edge indicates the end
of a conversion sequence.
Reading a Conversion
Digitized data from up to four channels is stored in
memory to be read out through the parallel interface.
After receiving an INT signal, the user can access up to
four conversion results by performing up to four read
operations.
With CS low, the conversion results from CH1_ are
accessed, and INT is reset high on the first RD falling
edge. On the RD rising edge, the internal address
pointer is advanced. If a single conversion is pro-
grammed, only one RD pulse is required. For multi-
channel conversions, up to four RD falling edges
sequentially access the data for channels 1 through 4.
For any number of channels converted, the address
pointer is reset to CH1_ after four RD pulses. The
address pointer also resets after receiving a CNVST
pulse. Do not perform a read operation during conver-
sion; it will corrupt the conversion’s accuracy.
__________Applications Information
Clock
The MAX115/MAX116 have an internal 10MHz (typ)
clock, which is activated by connecting CLK to DVDD
(internal clock startup time is 165s typ). The CLK input
also accepts an external clock with duty cycle between
30% and 70%.
2x4-Channel, Simultaneous-Sampling
12-Bit ADCs
10
______________________________________________________________________________________
X = Don’t care
Table 1. Modes of Operation
TO DAC
REFIN
10k
0.1
F
4.7
F
AV = 1
2.5V
REFOUT
7
6
(2.5V)
MAX115
MAX116
Figure 6. Internal Reference
Input Mux A/Single-Channel Conversion (default at power-up)
Power-Down
—
X
1
Input Mux B/Four-Channel Conversion
8
1
0
Input Mux B/Three-Channel Conversion
6
0
1
0
Input Mux B/Two-Channel Conversion
4
1
0
1
0
Input Mux B/Single-Channel Conversion
2
0
1
0
Input Mux A/Four-Channel Conversion
Input Mux A/Three-Channel Conversion
Input Mux A/Two-Channel Conversion
MODE
8
6
4
2
CONVERSION
TIME (s)
1
0
1
0
A0
1
0
1
0
A1
A2
A3
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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 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| MAX115-MAX116 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:2x4-Channel, Simultaneous-Sampling 12-Bit ADCs |
| MAX116 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:2x4-Channel, Simultaneous-Sampling 12-Bit ADCs |
| MAX1160 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:10-Bit, 20Msps, TTL-Output ADC |
| MAX11600 | 制造商:MAXIM 制造商全稱: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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