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參數(shù)資料
| 型號(hào)： | MAX1089EKA-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | 150ksps, 10-Bit, 2-Channel Single-Ended, and 1-Channel True-Differential ADCs in SOT23 |
| 中文描述： | 2-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8 |
| 封裝： | SOT-23, 8 PIN |
| 文件頁(yè)數(shù)： | 11/15頁(yè) |
| 文件大?。?/td> | 334K |
| 代理商： | MAX1089EKA-T |
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and is available in MSB-first format. Observe the
SCLK to DOUT valid timing characteristic. Clock
data into the μP on SCLK
’
s rising-edge.
SPI and MICROWIRE Interface
When using SPI interface (Figure 8a) or MICROWIRE
(Figure 8a and 8b), set CPOL = CPHA = 0. Two 8-bit
readings are necessary to obtain the entire 10-bit result
from the ADC. DOUT data transitions on the serial
clock
’
s falling edge and is clocked into the μP on
SCLK
’
s rising edge. The first 8-bit data stream contains
the first 8-bits of DOUT starting with the MSB. The sec-
ond 8-bit data stream contains the remaining two result
bits (B1, B0) and two trailing sub-bits (S1, S0). DOUT
then goes high impedance.
QSPI Interface
Using the high-speed QSPI interface (Figure 9a) with
CPOL = 0 and CPHA = 0, the MAX1086
–
MAX1089
support a maximum f
SCLK
of 8MHz. One 8- to16-bit
reading is necessary to obtain the entire 10-bit result
from the ADC. DOUT data transitions on the serial
clock
’
s falling edge and is clocked into the μP on
SCLK
’
s rising edge. The first 10 bits are the data and
the next two bits are sub-bits (S1, S0). DOUT then
goes high impedance (Figure 9b).
PIC16 and SSP Module and
PIC17 Interface
The MAX1086
–
MAX1089 are compatible with a
PIC16/PIC17 microcontroller (μC), using the synchro-
nous serial port (SSP) module
To establish SPI communication, connect the controller
as shown in Figure 10a and configure the PIC16/PIC17
as system master. This is done by initializing its syn-
chronous serial port control register (SSPCON) and
synchronous serial port status register (SSPSTAT) to
the bit patterns shown in Tables 1 and 2.
In SPI mode, the PIC16/PIC17 μCs allow eight bits of
data to be synchronously transmitted and received
simultaneously. Two consecutive 8-bit readings (Figure
10b) are necessary to obtain the entire 10-bit result
from the ADC. DOUT data transitions on the serial
clock
’
s falling edge and is clocked into the μC on
SCLK
’
s rising edge. The first 8-bit data stream contains
M
150ksps, 10-Bit, 2-Channel Single-Ended, and
1-Channel True-Differential ADCs in SOT23
______________________________________________________________________________________
11
Figure 8a. SPI Connections
Table 1. Detailed SSPCON Register Content
Figure 8b. MICROWIRE Connections
CNVST
SCLK
DOUT
I/O
SCK
MISO
V
DD
SS
SPI
MAX1086–
MAX1089
MAX1086
–
MAX1089
CNVST
SCLK
DOUT
I/O
SK
SI
MICROWIRE
CONTROL BIT
MAX1086
–
MAX1089
SETTINGS
SYNCHRONOUS SERIAL PORT CONTROL REGISTER (SSPCON)
WCOL
SSPOV
Bit 7
Bit 6
X
X
Write Collision Detection Bit
Receive Overflow Detect Bit
SSPEN
Bit 5
1
Synchronous Serial Port Enable Bit.
0: Disables serial port and configures these pins as I/O port pins.
1: Enables serial port and configures SCK, SDO and SCI pins as serial port pins.
CKP
SSPM3
SSPM2
SSPM1
SSPM0
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
0
0
0
1
Clock Polarity Select Bit. CKP = 0 for SPI master mode selection.
Synchronous Serial Port Mode Select Bit. Sets SPI master mode and selects
f
CLK
= f
OSC
/ 16.
X = Don
’
t care
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1089ETA+ | 制造商:Maxim Integrated Products 功能描述:150KSPS 10-BIT 2-CHANNEL SINGLE-ENDED AND 1-CHANNEL TRUE-DIF - Rail/Tube |
| MAX1089ETA+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 150ksps 10-Bit 2-Ch Single-Ended RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX108CHC | 制造商:Maxim Integrated Products 功能描述:192 PIN SBGA PACKAGING - Bulk |
| MAX108CHC-D | 制造商:Maxim Integrated Products 功能描述:ADC SGL FLASH 1.5GSPS 8BIT PARALLEL 192PIN ESBGA - Bulk |
| MAX108CHC-TD | 制造商:Maxim Integrated Products 功能描述:ADC SGL FLASH 1.5GSPS 8BIT PARALLEL 192PIN ESBGA - Tape and Reel |
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