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| 型號： | DAC1627D1G25HN |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | Dual 16-bit DAC, up to 1.25 Gsps; 2x 4x and 8x interpolating |
| 封裝： | DAC1627D1G25HN/C1<SOT813-3 (HVQFN72)|<<http://www.nxp.com/packages/SOT813-3.html<1<Always Pb-free,; |
| 文件頁數(shù)： | 31/69頁 |
| 文件大小： | 1677K |
| 代理商： | DAC1627D1G25HN |
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DAC1627D1G25
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Objective data sheet
Rev. 1 — 29 April 2011
31 of 69
NXP Semiconductors
DAC1627D1G25
Dual 16-bit DAC: up to 1.25 Gsps; x2, x4 and x8 interpolating
10.15 Auxiliary DACs
The DAC1627D1G25 integrates two auxiliary DACs, which are used to compensate any
offset between the DACs and the next stage in the transmission path. Both auxiliary DACs
have a 10-bit resolution and are current sources (referenced to ground).
The full-scale output current for each DAC is the sum of the two complementary current
outputs:
The output current depends on the digital input data set by SPI registers
DAC_A_Aux_MSB (bits AUX_A[9:2]; see
Table 50
), DAC_A_Aux_LSB (bits AUX_A[1:0];
see
Table 51
), DAC_B_Aux_MSB (bits AUX_B[9:2]; see
Table 52
) and DAC_B_Aux_LSB
(bits AUX_B[1:0]; see
Table 53
).
(7)
(8)
(9)
(10)
Table 22
shows the output current as a function of the auxiliary DACs data DATAA and
DATAB above.
Table 22.
DATAA; DATAB
Auxiliary DAC transfer function
AUX_A[9:2]/AUX_A[1:0];
AUX_B[9:0]/AUX_B[1:0]
(binary coding
00 0000 0000
...
10 0000 0000
...
11 1111 1111
I
AUXAP
; I
AUXBP
(mA)
I
AUXAN
; I
AUXBN
(mA)
0
...
512
...
1023
0
...
1.1
...
2.2
2.2
...
1.1
...
0
I
OAUXA fs
I
AUXAP
I
AUXAN
+
=
I
OAUXB fs
I
AUXBP
I
AUXBN
+
=
I
AUXAP
I
OAUXA fs
1023
-------------------
×
=
I
AUXAN
I
OAUXA fs
-------------------------------------
1023
×
=
I
AUXBP
I
OAUXB fs
1023
-------------------
×
=
I
AUXBN
I
OAUXB fs
-------------------------------------
1023
×
=
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DAC1627D1G25HN/C1, | 功能描述:調(diào)節(jié)器/解調(diào)器 DUAL 16b 1.25GSPS to 1.25 Gsps RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel |
| DAC1627D1G25HN/C1,551 | 功能描述:調(diào)節(jié)器/解調(diào)器 Dual 16-bit DAC, up to 1.25 Gsps RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel |
| DAC1627D1G25HN-C1 | 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 |
| DAC1627D1G25HN-C18 | 制造商:Integrated Device Technology Inc 功能描述:HVQFN72 - Tape and Reel |
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