參數(shù)資料
型號： TLV5638QDREP
廠商： TEXAS INSTRUMENTS INC
元件分類： DAC
英文描述： SERIAL INPUT LOADING, 3.5 us SETTLING TIME, 12-BIT DAC, PDSO8
封裝： GREEN, PLASTIC, MS-012AA, SOIC-8
文件頁數(shù)： 4/21頁
文件大小： 523K
代理商： TLV5638QDREP
TLV5638EP
2.7V TO 5.5V LOW POWER DUAL 12BIT DIGITALTOANALOG
CONVERTER WITH INTERNAL REFERENCE AND POWER DOWN
SGLS130B JULY 2002 REVISED DECEMBER 2003
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
data format
The 16-bit data word for the TLV5638 consists of two parts:
D Program bits
(D15..D12)
D New data
(D11..D0)
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
R1
SPD
PWR
R0
12 Data bits
SPD: Speed control bit
1
→ fast mode
0
→ slow mode
PWR: Power control bit
1
→ power down
0
→ normal operation
The following table lists the possible combination of the register select bits:
register select bits
R1
R0
REGISTER
0
Write data to DAC B and BUFFER
0
1
Write data to BUFFER
1
0
Write data to DAC A and update DAC B with BUFFER content
1
Write data to control register
The meaning of the 12 data bits depends on the register. If one of the DAC registers or the BUFFER is selected,
then the 12 data bits determine the new DAC value:
data bits: DAC A, DAC B and BUFFER
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
New DAC Value
If control is selected, then D1, D0 of the 12 data bits are used to program the reference voltage:
data bits: CONTROL
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
X
REF1
REF0
X: don’t care
REF1 and REF0 determine the reference source and, if internal reference is selected, the reference voltage.
reference bits
REF1
REF0
REFERENCE
0
External
0
1
1.024 V
1
0
2.048 V
1
External
CAUTION:
If external reference voltage is applied to the REF pin, external reference MUST be selected.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLV5638QDRG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12B 1 or 3.5 us DAC Serial Inp Dual 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
TLV5639 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG CONVERTERS WITH INTERNAL REFERENCE AND POWER DOWN
TLV5639C 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG CONVERTERS WITH INTERNAL REFERENCE AND POWER DOWN
TLV5639CDW 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12bit DAC w/V Ref 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
TLV5639CDWG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12bit DAC w/V Ref 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
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