參數(shù)資料
型號(hào)： CY8C5386AXI-081
廠商： CYPRESS SEMICONDUCTOR CORP
元件分類： 外設(shè)及接口
英文描述： MULTIFUNCTION PERIPHERAL, PQFP100
封裝： 14 X 14 MM, 1.40 MM HEIGHT, ROHS COMPLAINT, MS-026, TQFP-100
文件頁(yè)數(shù)： 74/102頁(yè)
文件大小： 2374K
代理商： CY8C5386AXI-081
PRELIMINARY
PSoC 5: CY8C53 Family Datasheet
Document Number: 001-55035 Rev. *G
Page 73 of 102
11.5.7 VDAC
11.5.8 Discrete Time Mixer
The discrete time mixer is used for modulating (shifting signals in frequency down) where the output frequency of the mixer is equal
to the difference of the input frequency and the local oscillator frequency. The discrete time mixer is created using a SC/CT analog
block; see the Mixer component datasheet in PSoC Creator for full AC/DC specifications, and APIs and example code.
Table 11-27. VDAC (Voltage Digital-to-Analog Converter) DC Specifications
Parameter
Description
Conditions
Min
Typ
Max
Units
Resolution
–8
–
ROUT
Output resistance[29]
High
VOUT = 4 V
–
16
–
k
Low
VOUT = 1 V
–
4
–
k
VOUT
Output voltage range[29]
High
Code = 255, VDDA > 5 V
–
4
–
V
Low
Code = 255
–
1
–
V
INL
Integral non linearity
CL=15 pF
–
±
1LSB
DNL
Differential non linearity
CL=15 pF
–
±
1LSB
Ezs
Zero scale error
–
±
1LSB
Eg
Gain error
Uncompensated
–
3
%
Temperature compensated
–
TBD
%
VDAC_ICC
DAC current low speed mode[29]
Code = 0
–
100
A
VDAC_ICC
DAC current high speed mode[29]
Code = 0
–
500
A
Table 11-28. VDAC (Voltage Digital-to-Analog Converter) AC Specifications
Parameter
Description
Conditions
Min
Typ
Max
Units
FDAC
Update rate[29]
1 V mode
–
1
Msps
Update rate[29]
4 V mode
–
250
Ksps
TSETTLE
Settling time to 0.5LSB[29]
Full scale transition, CL = 15 pF
High[29]
VOUT = 4 V
–
4000
ns
Low[29]
VOUT = 1 V
–
1000
ns
Table 11-29. Discrete Time Mixer DC Specifications
Parameter
Description
Conditions
Min
Typ.
Max
Units
Analog input noise injection (RMS) 1 MHz clock rate
–
10
–
V
4 MHz clock rate
–
30
–
V
Input voltage[30]
VSSA
–
VDDA
V
Input offset voltage
–
10
mV
Quiescent current
–
0.9
2
mA
Table 11-30. Discrete Time Mixer AC Specifications
Parameter
Description
Conditions
Min
Typ
Max
Units
LO
Local oscillator frequency[29]
0
–
4
MHz
Input signal frequency for down
mixing[29]
0
–
14
MHz
Notes
29. Based on device characterization (Not production tested).
30. Bandwidth is guaranteed for input common mode between 0.3 V and VDDA-1.2 V and for output that is between 0.05 V and VDDA-0.05 V.
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