TMIN to T
參數(shù)資料
型號: AD9748ACPZRL7
廠商: Analog Devices Inc
文件頁數(shù): 19/24頁
文件大小: 0K
描述: IC DAC 8BIT 210MSPS 32LFCSP
標(biāo)準(zhǔn)包裝: 1,500
系列: TxDAC®
設(shè)置時間: 11ns
位數(shù): 8
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 模擬和數(shù)字
功率耗散(最大): 145mW
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 32-LFCSP-VQ(5x5)
包裝: 帶卷 (TR)
輸出數(shù)目和類型: 2 電流,單極;2 電流,雙極
采樣率(每秒): 210M
AD9748
Data Sheet
Rev. B | Page 4 of 24
DYNAMIC SPECIFICATIONS
TMIN to TMAX, AVDD = 3.3 V, DVDD = 3.3 V, CLKVDD = 3.3 V, IOUTFS = 20 mA, differential transformer coupled output, 50 doubly
terminated, unless otherwise noted.
Table 2.
Parameter
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
Maximum Output Update Rate (fCLOCK)
210
MSPS
Output Settling Time (tST) (to 0.1%)1
11
ns
Output Propagation Delay (tPD)
1
ns
Glitch Impulse
5
pV-s
Output Rise Time (10% to 90%)1
2.5
ns
Output Fall Time (10% to 90%)1
2.5
ns
Output Noise (IOUTFS = 20 mA)2
50
pA/√Hz
Output Noise (IOUTFS = 2 mA)2
30
pA/√Hz
AC LINEARITY
Signal-to-Noise and Distortion Ratio
fCLOCK = 50 MSPS; fOUT = 5 MHz
50
dB
fCLOCK = 50 MSPS; fOUT = 19 MHz
48
dB
fCLOCK = 100 MSPS; fOUT = 5 MHz
50
dB
fCLOCK = 100 MSPS; fOUT = 39 MHz
46
dB
fCLOCK = 165 MSPS; fOUT = 5 MHz
50
dB
fCLOCK = 165 MSPS; fOUT = 49 MHz
47
dB
fCLOCK = 210 MSPS; fOUT = 9 MHz
50
dB
fCLOCK = 210 MSPS; fOUT = 68 MHz
46
dB
Total Harmonic Distortion
fCLOCK = 25 MSPS; fOUT = 1 MHz
72
61
dBc
fCLOCK = 50 MSPS; fOUT = 12.5 MHz
65
dBc
fCLOCK = 100 MSPS; fOUT = 25 MHz
60
dBc
fCLOCK = 165 MSPS; fOUT = 41.3 MHz
58
dBc
fCLOCK = 210 MSPS; fOUT = 68 MHz
65
dBc
Spurious-Free Dynamic Range to Nyquist
fCLOCK = 25 MSPS; fOUT = 1 MHz
0 dBFS Output
61
72
dBc
fCLOCK = 65 MSPS; fOUT = 5 MHz
69
dBc
fCLOCK = 65 MSPS; fOUT = 19 MHz
65
dBc
fCLOCK = 100 MSPS; fOUT = 5 MHz
68
dBc
fCLOCK = 100 MSPS; fOUT = 39 MHz
62
dBc
fCLOCK = 165 MSPS; fOUT = 5 MHz
68
dBc
fCLOCK = 165 MSPS; fOUT = 49 MHz
54
dBc
fCLOCK = 210 MSPS; fOUT = 5 MHz
67
dBc
fCLOCK = 210 MSPS; fOUT = 68 MHz
60
dBc
1
Measured single-ended into 50 load.
2
Output noise is measured with a full-scale output set to 20 mA with no conversion activity. It is a measure of the thermal noise only.
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