參數(shù)資料
型號(hào): LP1072
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: 802.11a/b/g Baseband System Solution
中文描述: 802.11a/b/g無線基帶系統(tǒng)解決方案
文件頁數(shù): 8/32頁
文件大小: 293K
代理商: LP1072
LP1072 Advance Information, Rev. 0.3
8
Freescale Semiconductor
PRELIMINARY
Functional Description
3.4.2
I/Q DAC
I/Q DAC specifications are shown in
Table 4
.
Wake-up time
From Shutdown
1
ms
From Standby
10
μ
s
Table 4. I/Q DAC
Parameter
Condition
Min
Typ
Max
Units
Resolution
8
bit
Maximum Update rate
44
MHz
3dB Signal Bandwidth
11
MHz
Output common-mode voltage
0.7
Vcmo
1
1
See Analog input pin for definition of I/Q DAC output common-mode level.
1.5
V
Load
10
Kohm
5
pF
Integral Nonlinearity (INL)
±1.0
LSB
Differential Nonlinearity (DNL)
± 0.5
LSB
Total Harmonic Distortion (THD)
Fin= 1MHz
-48.5
dB
Fin= 10MHz
-47
dB
SNR
Fin= 1MHz
48.5
dB
Fin= 10MHz
47
dB
ENOB
Fin= 1MHz
7.2
bit
Fin= 10MHz
7.0
bit
Channel-to-Channel mismatch
Gain
0.2
dB
Phase
0.5
Degree
DC offset after calibration
-1
+1
LSB
Wake-up time
From Shutdown
10
μ
s
From Standby
2
μ
s
Table 3. I/Q ADC Specifications (continued)
Parameter
Condition
Min
Typ
Max
Units
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