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參數(shù)資料
| 型號(hào)： | MAX5120BEEE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | DAC |
| 英文描述： | +3V/+5V, 12-Bit, Serial Voltage-Output DACs with Internal Reference |
| 中文描述： | SERIAL INPUT LOADING, 20 us SETTLING TIME, 12-BIT DAC, PDSO16 |
| 封裝： | 0.150 INCH, 0.025 INCH PITCH, QSOP-16 |
| 文件頁數(shù)： | 12/20頁 |
| 文件大?。?/td> | 288K |
| 代理商： | MAX5120BEEE |
M
The 16-bit input word may be sent in two 1-byte pack-
ets (SPI-, MICROWIRE- and PIC16/PIC17-compatible),
with
CS
low during this period. The control bits C2, C1,
and C0 (Table 1) determine:
The clock edge on which DOUT is to be clocked out
via the serial interface;
The state of the user-programmable logic output;
The configuration of the device after shutdown.
The general timing diagram in Figure 6 illustrates how
data is acquired.
CS
must be low for the part to receive
data. With
CS
low, data at DIN is clocked into the regis-
ter on the rising edge of SCLK. When
CS
transitions
high, data is latched into the input and/or DAC registers,
depending on the setting of the three control bits C2,
C1, and C0. The maximum serial clock frequency guar-
anteed for proper operation is 10MHz for the MAX5120
and 6.6MHz for the MAX5121. Figure 7 depicts a more
detailed timing diagram of the serial interface.
Table 2. Serial Data Format
PIC16 with S S P Module and
PIC17 Interfac e
The MAX5120/MAX5121 are compatible with a PIC16/
PIC17 controller (μC), using the synchronous serial port
(SSP) module. To establish SPI communication connect
the controller as shown in Figure 4 and configure the
PIC16/PIC17 as system master by initializing its syn-
chronous serial port control register (SSPCON) and
synchronous serial port status register (SSPSTAT) to
the bit patterns shown in Tables 3 and 4.
In SPI mode, the PIC16/PIC17 μCs allow 8 bits of data
to be transmitted synchronously and received simulta-
neously. Two consecutive 8-bit writings (Figure 6) are
necessary to feed the DAC with three control bits and
12 data bits plus one sub-bit. DIN data transitions on
the serial clock’s falling edge and is clocked into the
DAC on SCLK’s rising edge. The first 8 bits on DIN con-
tain the 3 control bits (C2, C1, and C0) and the first five
data bits (D11–D7). The second 8-bit word contains the
remaining bits (D6–D0), and the sub-bit S0.
+3V /+5V, 12-Bit, S erial Voltage-Output DACs
with Internal Referenc e
12
______________________________________________________________________________________
Control Bits
C2, C1, C0
MSB .... Data Bits ..... LSB
D11................................D0
MSB ............................................................................... LSB
16 BITS OF SERIAL DATA
CS
SCLK
DIN
COMMAND
EXECUTED
9
8
16
1
C1
C2
S0
C0 D11 D10
D9
D8
D5
D4
D3
D2
D1
D0
D7
D6
Figure 6. Serial-Interface Timing
SCLK
DIN
DOUT
t
CS0
t
CSS
t
CL
t
CH
t
CP
t
CSW
t
CS1
t
CSH
t
DS
t
DO1
t
DO2
t
DH
CS
Figure 7. Detailed Serial-Interface Timing
S0
Sub-Bit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5120BEEE+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-Bit Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5120BEEE+T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-Bit Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5120BEEE-T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5120-MAX5121 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:+3V/+5V, 12-Bit, Serial Voltage-Output DACs with Internal Reference |
| MAX5121 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Evaluation Kit for the MAX2430[MAX2430EVKIT ] |
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