AD6645 데이터 시트보기 (PDF) - Analog Devices
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AD6645 Datasheet PDF : 24 Pages
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AD6645
Parameter
WORST HARMONIC (FOURTH OR HIGHER)
Analog Input @ −1 dBFS
TWO-TONE SFDR
TWO-TONE IMD REJECTION2, 3
F1, F2 @ −7 dBFS
ANALOG INPUT BANDWIDTH
AD6645ASQ-80/ AD6645ASQ-105/
Test
AD6645ASV-80
AD6645ASV-105
Temp Level Min Typ Max Min Typ Max Unit Conditions
25°C V
Full II
25°C I
Full V
25°C V
25°C V
25°C V
25°C V
25°C V
96.0
85.0 95.0
90.0
90.0
88.0
100
100
96.0
86.0 95.0
90.0
90.0
88.0
98.0
98.0
98.0
dBc
dBc
dBc
dBc
dBc
dBc
dBFS
dBFS
dBFS
At 15.5 MHz
At 30.5 MHz
At 37.7 MHz
At 70.0 MHz
At 150.0 MHz
At 200.0 MHz
At 30.5 MHz1, 2
At 55.0 MHz1, 3
At 70.0 MHz1, 4
25°C V
90
25°C V
270
90
dBc
270
MHz
1 Analog input signal power swept from −10 dBFS to −100 dBFS.
2 F1 = 30.5 MHz, F2 = 31.5 MHz.
3 F1 = 55.25 MHz, F2 = 56.25 MHz.
4 F1 = 69.1 MHz, F2 = 71.1 MHz.
SWITCHING SPECIFICATIONS
AVCC = 5 V, DVCC = 3.3 V; ENCODE, ENCODE, TMIN and TMAX at rated speed grade, unless otherwise noted.
Table 4.
Parameter
ENCODE INPUT PARAMETERS1
Maximum Conversion Rate
Minimum Conversion Rate
ENCODE Pulse Width High, tENCH2
ENCODE Pulse Width Low, tENCL2
ENCODE Period1
ENCODE/DATA-READY
ENCODE Rising to Data-Ready Falling
ENCODE Rising to Data-Ready Rising
50% Duty Cycle
ENCODE/DATA (D13:0), OVR
ENCODE to DATA Falling Low
ENCODE to DATA Rising Low3
ENCODE to DATA Delay3 (Hold Time)
ENCODE to DATA Delay (Setup Time)
50% Duty Cycle
AD6645ASQ-80/
Test
AD6645ASV-80
AD6645ASQ-105/
AD6645ASV-105
Symbol Temp Level Min Typ
Max Min Typ
Max Unit
Full II
80
105
MSPS
Full IV
30
30
MSPS
Full IV
5.625
4.286
ns
Full V
6.25
4.75
ns
Full IV
5.625
4.286
ns
Full V
6.25
4.75
ns
tENC
Full V
12.5
9.5
ns
tDR
Full V
1.0
2.0
3.1
1.0
2.0
3.1
ns
tE_DR
Full V
tENCH + tDR
tENCH + tDR
ns
Full V
7.3
8.3
9.4
5.7
6.75
7.9
ns
tE_FL
Full V
2.4
4.7
7.0
2.4
4.7
7.0
ns
tE_RL
Full V
1.4
3.0
4.7
1.4
3.0
4.7
ns
tH_E
Full V
1.4
3.0
4.7
1.4
3.0
4.7
ns
tS_E
Full V
tENC −
tENC −
ns
tE_FL(max)
tE_FL(max)
tENC −
tE_FL(typ)
tENC −
ns
tE_FL(typ)
tENC −
tE_FL(min)
tENC − ns
tE_FL(min)
Full V
5.3
7.6
10.0 2.3
4.8
7.0
ns
Rev. D | Page 5 of 24
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