參數(shù)資料
型號： AD9788BSVZRL
廠商： Analog Devices Inc
文件頁數(shù)： 45/64頁
文件大?。?/td> 0K
描述： IC DAC 16BIT 800MSPS 100TQFP
產(chǎn)品培訓模塊： Data Converter Fundamentals
DAC Architectures
設(shè)計資源： Powering the AD9788 Using ADP2105 for Increased Efficiency (CN0141)
標準包裝： 1,000
系列： TxDAC®
位數(shù)： 16
數(shù)據(jù)接口： 串行
轉(zhuǎn)換器數(shù)目： 2
電壓電源： 模擬和數(shù)字
功率耗散（最大）： 450mW
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 100-TQFP 裸露焊盤
供應商設(shè)備封裝： 100-TQFP-EP（14x14）
包裝： 帶卷 (TR)
輸出數(shù)目和類型： 4 電流，單極；4 電流，雙極
采樣率（每秒）： 800M
AD9785/AD9787/AD9788
Rev. A | Page 5 of 64
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
LATENCY (DACCLK CYCLES)
1× Interpolation
With or without modulation
40
Cycles
2× Interpolation
With or without modulation
83
Cycles
4× Interpolation
With or without modulation
155
Cycles
8× Interpolation
With or without modulation
294
Cycles
Inverse Sinc
18
Cycles
POWER-UP TIME2
260
ms
DAC Wake-Up Time3
IOUT current settling to 1%
22
ms
DAC Sleep Time4
IOUT current to less than 1% of full scale
22
ms
1 Timing vs. temperature and data valid windows are delineated in Table 25.
2 Measured from SPI_CSB rising edge on Register 0x00; toggle Bit 4 from 0 to 1. VREF decoupling capacitor = 0.1 μF.
3 Measured from SPI_CSB rising edge on Register 0x05 or Register 0x07; toggle Bit 15 or Bit 14 from 0 to 1.
4 Measured from SPI_CSB rising edge on Register 0x05 or Register 0x07; toggle Bit 15 or Bit 14 from 1 to 0.
AC SPECIFICATIONS
TMIN to TMAX, AVDD33 = 3.3 V, DVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, IOUTFS = 20 mA, maximum sample rate, unless
otherwise noted.
Table 3.
AD9785
AD9787
AD9788
Parameter
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
SPURIOUS-FREE DYNAMIC RANGE (IN-BAND SFDR)
fDACCLK = 200 MSPS, fOUT = 70 MHz 1× Interpolation
80
82
83
dBc
fDACCLK = 200 MSPS, fOUT = 70 MHz 2× Interpolation
80
82
83
dBc
fDACCLK = 200 MSPS, fOUT = 70 MHz 4× Interpolation
78
80
81
dBc
fDACCLK = 800 MSPS, fOUT = 40 MHz 8× Interpolation
85
87
90
dBc
TWO-TONE INTERMODULATION DISTORTION (IMD)
fDATA = 200 MSPS, fOUT = 50 MHz 1× Interpolation
80
82
83
dBc
fDATA = 200 MSPS, fOUT = 50 MHz 2× Interpolation
78
79
80
dBc
fDATA = 200 MSPS, fOUT = 100 MHz 4× Interpolation
78
79
80
dBc
fDATA = 100 MSPS, fOUT = 100 MHz 8× Interpolation
70
dBc
NOISE SPECTRAL DENSITY (NSD), EIGHT TONE, 500 kHz TONE
SPACING
fDACCLK = 200 MSPS, fOUT = 80 MHz
154
157
158
dBm/Hz
fDACCLK = 400 MSPS, fOUT = 80 MHz
154
158
161
dBm/Hz
fDACCLK = 800 MSPS, fOUT = 80 MHz
154
159
162
dBm/Hz
WCDMA ADJACENT CHANNEL LEAKAGE RATIO (ACLR),
SINGLE CARRIER
fDACCLK = 491.52 MSPS, fOUT = 100 MHz 4× Interpolation
78
80
82
dBc
fDACCLK = 491.52 MSPS, fOUT = 200 MHz 4× Interpolation
72
74
76
dBc
WCDMA SECOND ADJACENT CHANNEL LEAKAGE RATIO
(ACLR), SINGLE CARRIER
fDACCLK = 491.52 MSPS, fOUT = 100 MHz 4× Interpolation
80
82
88
dBc
fDACCLK = 491.52 MSPS, fOUT = 200 MHz 4× Interpolation
78
80
82
dBc
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