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參數資料
| 型號： | TLV5625CDR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 3 us SETTLING TIME, 8-BIT DAC, PDSO8 |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數： | 3/15頁 |
| 文件大小： | 212K |
| 代理商： | TLV5625CDR |
TLV5625
2.7V TO 5.5V LOW POWER DUAL 8BIT DIGITALTOANALOG
CONVERTER WITH POWER DOWN
SLAS233D JULY 1999 REVISED JULY 2002
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
data format
The 16-bit data word for the TLV5625 consists of two parts:
D Program bits
(D15..D12)
D New data
(D11..D4)
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
R1
SPD
PWR
R0
MSB
8 Data bits
LSB
0
SPD: Speed control bit
1
→ fast mode
0
→ slow mode
PWR: Power control bit
1
→ power down
0
→ normal operation
On power up, SPD and PWD are reset to 0 (slow mode and normal operation)
The following table lists all possible combination of 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
Reserved
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:
examples of operation
D Set DAC A output, select fast mode:
Write new DAC A value and update DAC A output:
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
1
0
New DAC A output value
0
The DAC A output is updated on the rising clock edge after D0 is sampled.
D Set DAC B output, select fast mode:
Write new DAC B value to BUFFER and update DAC B output:
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
New BUFFER content and DAC B output value
0
The DAC A output is updated on the rising clock edge after D0 is sampled.
D Set DAC A value, set DAC B value, update both simultaneously, select slow mode:
1.
Write data for DAC B to BUFFER:
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0
1
New DAC B value
0
2.
Write new DAC A value and update DAC A and B simultaneously:
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
1
0
New DAC A value
0
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TLV5625CDRG4 | 功能描述:數模轉換器- DAC 8-Bit 2.5-12 us Dual DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間: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 |
| TLV5625D | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.7-V TO 5.5-V LOW-POWER DUAL 8-BIT DIGITAL-TO-ANALOG CONVERTER WITH POWER DOWN |
| TLV5625ID | 功能描述:數模轉換器- DAC Dual 8bit DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間: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 |
| TLV5625IDG4 | 功能描述:數模轉換器- DAC 8-Bit 2.5-12 us Dual DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間: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 |
| TLV5625IDR | 功能描述:數模轉換器- DAC 8-Bit 2.5-12 us Dual DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間: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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