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| 型號： | DAC1005D750HW |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | DAC |
| 英文描述： | Dual 10-bit DAC, up to 750 Msps; 2x 4x and 8x interpolating |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 0.02 us SETTLING TIME, 10-BIT DAC, PQFP100 |
| 封裝： | 14 X 14 MM, 1 MM HEIGHT, PLASTIC, MS-026, SOT638-1, HTQFP-100 |
| 文件頁數(shù)： | 32/42頁 |
| 文件大小： | 353K |
| 代理商： | DAC1005D750HW |
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DAC1005D750
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 3 — 7 June 2011
32 of 42
NXP Semiconductors
DAC1005D750
Dual 10-bit DAC, up to 750 Msps; 4x and 8x interpolating
10.13 Auxiliary DACs
The DAC1005D750 integrates 2 auxiliary DACs that can be used to compensate for any
offset between the DAC and the next stage in the transmission path.
Both auxiliary DACs have a resolution of 10-bit and are current sources (referenced to
ground).
(6)
The output current depends on the auxiliary DAC data:
(7)
(8)
Table 42
shows the output current as a function of the auxiliary DAC data.
Table 42.
Default settings are shown highlighted.
Data
AUX[9:0] (binary)
0
00 0000 0000
...
...
512
10 0000 0000
...
...
1023
11 1111 1111
10.14 Output configuration
10.14.1
Basic output configuration
The use of a differentially-coupled transformer output provides optimum distortion
performance (see
Figure 13
). In addition, it helps to match the impedance and provides
electrical isolation.
Auxiliary DAC transfer function
I
AUXP
(mA)
0
...
1.1
...
2.2
I
AUXN
(mA)
2.2
...
1.1
...
0
I
O AUX
I
AUXP
I
AUXN
+
=
AUXP
I
O AUX
1023
------------------------
=
AUXN
I
O AUX
---------------------------------------------
1023
=
Fig 13. 1 V
o(p-p)
differential output with transformer
001aaj817
50
Ω
50
Ω
50
Ω
IOUTnP/IOUTnN; V
o(cm)
= 2.8 V; V
o(dif)(p-p)
= 1 V
IOUTnP
IOUTnN
0 mA to 20 mA
2:1
0 mA to 20 mA
V
DDA(3V3)
V
DDA(3V3)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DAC1005D750HW/C1,5 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC DUAL 10BITS 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DAC1006 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:DOUBLE-BUFFERED D TO A CONVERTERS |
| DAC1006 WAF | 制造商:Texas Instruments 功能描述: |
| DAC1006LCJ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:DOUBLE-BUFFERED D TO A CONVERTERS |
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