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參數(shù)資料
| 型號： | MAX5307EUE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 3/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 12BIT OCT LP SER 16-TSSOP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 設置時間： | 5µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 8 |
| 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： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 16-TSSOP |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 8 電壓，單極；8 電壓，雙極 |
| 采樣率（每秒）： | * |
Hardware Clear (CLR)
The MAX5307 has an active low CLR input. Drive CLR
low to clear all internal registers, shutdown all DACs,
and terminate all DAC outputs to GND through 100k
Ω
resistors. CLR is asynchronous and can be applied at
any time. If CLR is toggled low during loading of a seri-
al word, that word will terminate and must be reloaded.
Reference Input
The external reference input has a typical input imped-
ance of 200k
Ω. The input voltage range is from 800mV
to VDD. VDD can be used as the reference for the
MAX5306/MAX5307. The DAC outputs are then ratio-
metric to VDD.
Output Buffer
The rail-to-rail buffer amplifier is stable with any combi-
nation of resistive loads greater than 2k
Ω and capaci-
tive loads less than 500pF. With a capacitive load of
200pF the output buffers have a slew rate of 1V/s. For
a 1/4 FS to 3/4 FS output transition, the amplifier output
typically settles to 1/2 LSB in less than 10s when
loaded with 2k
Ω in parallel with 200pF.
Power-On Reset
The MAX5306/MAX5307 have a POR circuit to set the
DACs output to zero when VDD is first applied. This
ensures that unwanted DAC output voltages will not
occur immediately following a system startup, such as
after a loss of power. Upon initial power-up the POR cir-
cuit ensures that all DAC registers are cleared, the
DACs are powered-down, and their outputs are termi-
nated to GND through a 100k
Ω resistor.
Application Information
Daisy-Chaining Devices
Any number of MAX5306 can be daisy-chained by con-
necting the DOUT pin of one device to the DIN pin of
the following device in the chain (Figure 5). To write to
the chain, drive CS low until all n x 16 clock cycles
(where n is the number of devices in the chain) and
associated data have been applied to the first device.
When CS is driven high, each device in the chain acts
on the 16 bits in its input register. To adjust a single
device in the chain, a No-Operation (NOP) command
must be loaded for all other devices.
Figure 6 shows an alternate method of connecting sev-
eral MAX5306s or MAX5307s. In this configuration, the
data bus is common to all devices; data is not shifted
through a daisy chain. More I/O lines are required in
this configuration because a dedicated chip-select
input (CS) is required for each IC.
Unipolar Output
The MAX5306/MAX5307 are normally configured for
unipolar output. Table 3 lists the unipolar output volt-
ages vs. digital codes.
Bipolar Output
The MAX5306/MAX5307 outputs can be configured for
bipolar operation using Figure 7’s circuit.
VOUT = VREF [(2D / 4096 -1)]
where D is the decimal value of the DACs binary input
code. Table 4 shows digital codes (offset binary) and
corresponding output voltages for the Figure 7 circuit.
MAX5306/MAX5307
Low-Power, Low-Glitch, Octal 12-Bit Voltage-
Output DACs with Serial Interface
______________________________________________________________________________________
11
SCLK
DIN
DOUT*
CS
SK
SO
SI*
I/O
MAX5306
MICROWIRE
PORT
*THE DOUT-SI CONNECTION IS NOT REQUIRED FOR WRITING TO THE MAX5306,
BUT MAY BE USED FOR TRANSMISSION VERIFICATION PURPOSES.
Figure 2. Connections for MICROWIRE
DOUT*
DIN
SCLK
CS
MISO*
MOSI
SCK
I/O
SPI/QSPI
PORT
SS
+5V
CPOL = 0, CPHA = 0
*THE DOUT-MISO CONNECTION IS NOT REQUIRED FOR WRITING TO THE MAX5307,
BUT MAY BE USED FOR TRANSMISSION VERIFICATION PURPOSES.
MAX5307
Figure 3. Connections for SPI/QSPI
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5307EUE-TG077 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX5308EUE | 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)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5308EUE+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10-Bit 8Ch 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)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5308EUE+T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10-Bit 8Ch 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)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5308EUE-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)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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