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參數(shù)資料
| 型號： | MAX1286ETA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 3/15頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 150KSPS 8-TDFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 150k |
| 數(shù)據(jù)接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-WDFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 8-TDFN-EP（3x3） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 輸入數(shù)目和類型： | 2 個單端，單極；2 個單端，雙極；1 個差分，單極；1 個差分，雙極 |
| 產(chǎn)品目錄頁面： | 1396 (CN2011-ZH PDF) |
| 其它名稱： | MAX1286ETA+TDKR |
5)
Activate SCLK for a minimum of 12 rising clock
edges. DOUT transitions on SCLK’s falling edge
and is available in MSB-first format. Observe the
SCLK to DOUT valid timing characteristic. Clock
data into the P on SCLK’s rising edge.
SPI and MICROWIRE Interface
When using an SPI (Figure 8a) or MICROWIRE inter-
face (Figures 8a and 8b), set CPOL = CPHA = 0. Two
8-bit readings are necessary to obtain the entire 12-bit
result from the ADC. DOUT data transitions on the seri-
al clock’s falling edge and is clocked into the P 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 four result
bits. DOUT then goes high impedance.
QSPI Interface
Using the high-speed QSPI interface (Figure 9a) with
CPOL = 0 and CPHA = 0, the MAX1286–MAX1289
support a maximum fSCLK of 8MHz. One 12- to 16-bit
reading is necessary to obtain the entire 12-bit result
from the ADC. DOUT data transitions on the serial
clock’s falling edge and is clocked into the P on
SCLK’s rising edge. The first 12 bits are the data.
DOUT then goes high impedance (Figure 9b).
PIC16 and SSP Module and
PIC17 Interface
The MAX1286–MAX1289 are compatible with a
PIC16/PIC17 C, using the synchronous 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 Cs allow 8 bits of data
to be synchronously transmitted and received simulta-
neously. Two consecutive 8-bit readings (Figure 10b)
are necessary to obtain the entire 12-bit result from the
ADC. DOUT data transitions on the serial clock’s falling
edge and is clocked into the C on SCLK’s rising edge.
The first 8-bit data stream contains the first 8 data bits
starting with the MSB. The second data stream con-
tains the remaining bits, D3 through D0.
MAX1286–MAX1289
150ksps, 12-Bit, 2-Channel Single-Ended, and
1-Channel True-Differential ADCs
______________________________________________________________________________________
11
Figure 8a. SPI Connections
Figure 8b. MICROWIRE Connections
CNVST
SCLK
DOUT
I/O
SCK
MISO
VDD
SS
SPI
MAX1286–
MAX1289
MAX1286–
MAX1289
CNVST
SCLK
DOUT
I/O
SK
SI
MICROWIRE
Table 1. Detailed SSPCON Register Content
CONTROL BIT
MAX1286–MAX1289
SETTINGS
SYNCHRONOUS SERIAL PORT CONTROL REGISTER (SSPCON)
WCOL
Bit 7
X
Write Collision Detection Bit
SSPOV
Bit 6
X
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
Bit 4
0
Clock Polarity Select Bit. CKP = 0 for SPI master mode selection.
SSPM3
Bit 3
0
SSPM2
Bit 2
0
SSPM1
Bit 1
0
SSPM0
Bit 0
1
Synchronous Serial Port Mode Select Bit. Sets SPI master mode and selects
FCLK = fOSC / 16.
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| MAX1286EVC16 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 150ksps 12-Bit 2-Channel Single-Ended and 1-Channel True-Differential ADCs 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 |
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| MAX1287EKA | 制造商:Maxim Integrated Products 功能描述:150KSPS, 12-BIT, 2-CHANNEL SINGLE-ENDED, AND - Cut Tape Product |
| MAX1287EKA/GG8 | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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