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參數(shù)資料
| 型號： | DAC1201D125HL |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | Dual 12-bit DAC, up to 125 Msps |
| 封裝： | DAC1201D125HL/C1<SOT313-2 (LQFP48)|<<http://www.nxp.com/packages/SOT313-2.html<1<Always Pb-free,;DAC1201D125HL/C1<SOT313-2 (LQFP48)|<<http://www.nxp.com/packages/SOT313-2 |
| 文件頁數(shù)： | 14/26頁 |
| 文件大?。?/td> | 274K |
| 代理商： | DAC1201D125HL |
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DAC1201D125_1
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 01 — 27 November 2008
14 of 26
NXP Semiconductors
DAC1201D125
Dual 12-bit DAC, up to 125 Msps
10. Application information
10.1 General description
The DAC1201D125 is a dual 12-bit DAC operating up to 125 Msps. Each DAC consists of
a segmented architecture, comprising a 7-bit thermometer sub-DAC and a 5-bit binary
weighted sub-DAC.
Two modes are available for the digital input depending on the status of pin MODE. In
Dual-port mode, each DAC uses its own data input line at the same frequency as the
update rate. In Interleaved mode, both DACs use the same data input line at twice the
update rate.
Each DAC generates on pins IOUTAP/IOUTAN and IOUTBP/IOUTBN two complementary
current outputs. This provides a full-scale output current (I
O(fs)
), up to 20 mA. A single
common or two independent full-scale current controls can be selected for both channels
using pin GAINCTRL. An internal reference voltage is available for the reference current
which is externally adjustable using pin REFIO.
The DAC1201D125 operates at 3.3 V and has separate digital and analog power supplies.
Pin PWD is used to power-down the device. The digital input is 1.8 V compliant, 3.3 V
compliant and 5 V tolerant.
10.2 Input data
The DAC1201D125 input follows a straight binary coding where DA11 and DB11 are the
Most Significant Bits (MSB) and DA0 and DB0 are the Least Significant Bits (LSB).
The setting applied to pin MODE defines whether the DAC1201D125 operates in
Dual-port mode or in Interleaved mode, (see
Table 6
).
Fig 13. Analog supply current as a function of the output current
001aaj032
l
O
(mA)
0
20
15
10
5
20
40
60
I
DDA
(mA)
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DAC1201D125HL/C1'1 | 制造商:Integrated Device Technology Inc 功能描述:IC DAC 12BIT 125MSPS DL 48LQFP |
| DAC1201D125HL/C1,1 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC DAC 2-CH Segment 12-Bit 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DAC1201D125HL/C1,118 | 制造商:NXP Semiconductors 功能描述: |
| DAC1201D125HL/C1’1 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC IC DAC 12BIT 125MSPS 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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