參數(shù)資料
型號(hào): AD9774ASZRL
廠商: Analog Devices Inc
文件頁數(shù): 18/24頁
文件大小: 0K
描述: IC DAC 14BIT 32MSPS 44MQFP
產(chǎn)品變化通告: Product Discontinuance 27/Oct/2011
標(biāo)準(zhǔn)包裝: 800
系列: TxDAC+®
設(shè)置時(shí)間: 35ns
位數(shù): 14
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): 1.13W
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 44-QFP
供應(yīng)商設(shè)備封裝: 44-MQFP(10x10)
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): 32M
–3–
REV. B
AD9774
DYNAMIC SPECIFICATIONS
Parameter
Min
Typ
Max
Units
DYNAMIC PERFORMANCE
Maximum Output Update Rate w/DVDD = 5 V
128
MSPS
Maximum Output Update Rate w/DVDD = 3 V
100
128
MSPS
Output Settling Time (tST) (to 0.025%)
35
ns
Output Propagation Delay (tPD)
55
Clocks
1
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)
50
pA/
√Hz2
AC LINEARITY TO NYQUIST
Spurious-Free Dynamic Range (SFDR) to Nyquist
fCLOCK = 25 MSPS; fOUT = 1.01 MHz
0 dBFS Output
79
dB
–6 dBFS Output
86
dB
–12 dBFS Output
75
dB
–18 dBFS Output
75
dB
fCLOCK = 32 MSPS; fOUT = 1.01 MHz
78
dB
fCLOCK = 32 MSPS; fOUT = 5.01 MHz
77
dB
fCLOCK = 32 MSPS; fOUT = 10.01 MHz
79
dB
fCLOCK = 32 MSPS; fOUT = 13.01 MHz
78
dB
Total Harmonic Distortion (THD)
fCLOCK = 25 MSPS; fOUT = 1.01 MHz; 0 dBFS
–75
dB
Signal-to-Noise Ratio (SNR)
fCLOCK = 25 MSPS; fOUT = 1.01 MHz; 0 dBFS
76
dB
NOTES
1Propagation delay is delay from data input to DAC update.
2Measured single-ended into 50
load.
Specifications subject to change without notice.
(TMIN to TMAX, AVDD = +5 V, PLLVDD = +5 V, DVDD = +5 V, IOUTFS = 20 mA, Differential Transformer
Coupled Output, 50
Doubly Terminated, unless otherwise noted)
DIGITAL SPECIFICATIONS
Parameter
Min
Typ
Max
Units
DIGITAL INPUTS
Logic “1” Voltage @ DVDD = +5 V
3.5
5
V
Logic “1” Voltage @ DVDD = +3 V
2.1
3
V
Logic “0” Voltage @ DVDD = +5 V
0
1.3
V
Logic “0” Voltage @ DVDD = +3 V
0
0.9
V
Logic “1” Current
–10
+10
A
Logic “0” Current
–10
+10
A
Input Capacitance
5
pF
Input Setup Time (tS)
2.5
ns
Input Hold Time (tH)
1.5
ns
Latch Pulsewidth (tLPW)4
ns
(TMIN to TMAX, AVDD = +5 V, PLLVDD = +5 V, DVDD = +5 V, IOUTFS = 20 mA unless otherwise noted)
0.025%
tS
tH
tLPW
t
PD
t
ST
DB0–DB11
CLOCK
IOUTA
OR
IOUTB
Figure 1. Timing Diagram
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