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| 型號： | DAC1627D1G25 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | DAC |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 0.02 us SETTLING TIME, 16-BIT DAC, PQCC72 |
| 封裝： | 10 X 10 MM, 0.85 MM HEIGHT, PLASTIC, SOT813-3, HVQFN-72 |
| 文件頁數： | 12/69頁 |
| 文件大?。?/td> | 1677K |
| 代理商： | DAC1627D1G25 |
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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
12 of 69
NXP Semiconductors
DAC1627D1G25
Dual 16-bit DAC: up to 1.25 Gsps; x2, x4 and x8 interpolating
[1]
D = guaranteed by design; C = guaranteed by characterization; I = 100 % industrially tested.
[2]
V
DDA(1V8)_D
, V
DDA(1V8)_P1
and V
DDA(1V8)_P2
must be connected to the same 1.8 V analog power supply. it is recommended to use
dedicated filters for the three power pins.
[3]
|
V
gpd
|
represents the ground potential difference voltage. This voltage is the result of current flowing through the finite resistance and the
inductance between the receiver and the driver circuit ground voltages.
10. Application information
10.1 General description
The DAC1627D1G25 is a dual 16-bit DAC operating up to 1250 Msps. Each DAC consists
of a segmented architecture, comprising a 6-bit thermometer sub-DAC and a 10-bit binary
weighted sub-DAC.
A maximum input LVDS DDR data rate of up to 312.5 MHz and a maximum output
sampling rate of 1250 Msps ensure more flexibility for wide bandwidth and multi-carrier
systems. The internal 40-bit NCO of the DAC1627D1G25 simplifies the frequency
selection of the system. The DAC1627D1G25 provides
×
2,
×
4 or
×
8 interpolation filters
that are very useful for removing the undesired images.
Each DAC generates two complementary current outputs on pins IOUTAP and IOUTAN
and pins IOUTBP and IOUTBN. These outputs provide a full-scale output current (I
O(fs)
) of
up to 31.8 mA. An internal reference is available for the reference current which is
externally adjustable using pin VIRES.
High resolution internal gain, phase and offset control provide outstanding image and
Local Oscillator (LO) signal rejection at the system analog modulator output.
Multiple device synchronization enables synchronization of the outputs of multiple DAC
devices. MDS guarantees a maximum skew of one output clock period between several
devices.
All functions can be set using an SPI interface.
ACPR
adjacent channel
power ratio
f
s
= 1228.8 Msps;
×
4 interpolation;
f
o
= 210 MHz
1 carrier; BW = 5 MHz
2 carriers; BW = 10 MHz
4 carriers; BW = 20 MHz
f
s
= 983.04 Msps;
×
4 interpolation;
f
o
= 20 MHz at
1 dBFS
f
s
= 983.04 Msps;
×
4 interpolation;
f
o
= 153.6 MHz at
1 dBFS
D
D
D
D
-
-
-
-
77
73
72
-164
-
-
-
-
dBc
dBc
dBc
dBm/Hz
NSD
noise spectral
density
D
-
-161
-
dBm/Hz
Table 5.
V
DDA(1V8)
= 1.8 V; V
DDD(1V8)
= 1.8 V; V
DDA(3V3)
= 3.3 V; Typical values measured at T
amb
= +25
°
C; R
L
= 50
Ω
; I
O(fs)
= 20 mA;
maximum sample rate used; external PLL; no auxiliary DAC; no inverse sinus x/x; no output correction; output load condition
defined in
Figure 22
; output level = 1 V (p-p).
Symbol
Parameter
Conditions
Characteristics
…continued
Test
[1]
Min
Typ
Max
Unit
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DAC1627D1G25/DB,598 | 功能描述:數據轉換 IC 開發(fā)工具 DAC DEMOBOARD RoHS:否 制造商:Texas Instruments 產品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| DAC1627D1G25HN/C1, | 功能描述:調節(jié)器/解調器 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:調節(jié)器/解調器 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:數模轉換器- 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(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 |
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