AD6645 Analog Devices, AD6645 Datasheet - Page 5

• Manufacturer Part Number: AD6645
• Description: 14-Bit, 80 MSPS/105 MSPS A/D Converter
• Manufacturer: Analog Devices

Specifications of AD6645

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 105MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 2.2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: QFP

Parameter
WORST HARMONIC (FOURTH OR HIGHER)
TWO-TONE SFDR
TWO-TONE IMD REJECTION
ANALOG INPUT BANDWIDTH
1
2
3
4
SWITCHING SPECIFICATIONS
AV
Table 4.
Parameter
ENCODE INPUT PARAMETERS
ENCODE/DATA-READY
ENCODE/DATA (D13:0), OVR
Analog input signal power swept from −10 dBFS to −100 dBFS.
F1 = 30.5 MHz, F2 = 31.5 MHz.
F1 = 55.25 MHz, F2 = 56.25 MHz.
F1 = 69.1 MHz, F2 = 71.1 MHz.
Maximum Conversion Rate
Minimum Conversion Rate
ENCODE Pulse Width High, t
ENCODE Pulse Width Low, t
ENCODE Period
50% Duty Cycle
Analog Input @ −1 dBFS
F1, F2 @ −7 dBFS
ENCODE Rising to Data-Ready Falling
ENCODE Rising to Data-Ready Rising
ENCODE to DATA Falling Low
ENCODE to DATA Rising Low
ENCODE to DATA Delay
ENCODE to DATA Delay (Setup Time)
50% Duty Cycle
CC
= 5 V, DV
CC
1
= 3.3 V; ENCODE, ENCODE , T
3
(Hold Time)
2, 3
ENCL
ENCH
1
3
2
2
Symbol
t
t
t
t
t
t
t
ENC
DR
E_DR
E_FL
E_RL
H_E
S_E
Temp
25°C
Full
25°C
Full
25°C
25°C
25°C
25°C
25°C
25°C
25°C
MIN
Temp
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
and T
Test
Level
V
II
I
V
V
V
V
V
V
V
V
MAX
Rev. D | Page 5 of 24
Test
Level
II
IV
IV
V
IV
V
V
V
V
V
V
V
V
V
V
at rated speed grade, unless otherwise noted.
Min
85.0
AD6645ASQ-80/
AD6645ASV-80
Min
80
5.625
5.625
1.0
7.3
2.4
1.4
1.4
t
t
5.3
ENC
E_FL(max)
Typ
96.0
95.0
90.0
90.0
88.0
100
100
90
270
−
AD6645ASQ-80/
AD6645ASV-80
Typ
6.25
6.25
12.5
2.0
t
8.3
4.7
3.0
3.0
t
t
7.6
ENCH
ENC
E_FL(typ)
Max
−
+ t
DR
Min
86.0
AD6645ASQ-105/
AD6645ASV-105
Max
30
3.1
9.4
7.0
4.7
4.7
t
t
10.0
ENC
E_FL(min)
−
Typ
96.0
95.0
90.0
90.0
88.0
98.0
98.0
98.0
90
270
Min
105
4.286
4.286
1.0
5.7
2.4
1.4
1.4
t
t
2.3
ENC
E_FL(max)
−
Max
AD6645ASQ-105/
AD6645ASV-105
Typ
4.75
4.75
9.5
2.0
t
6.75
4.7
3.0
3.0
t
t
4.8
ENCH
ENC
E_FL(typ)
Unit
dBc
dBc
dBc
dBc
dBc
dBc
dBFS
dBFS
dBFS
dBc
MHz
−
+ t
DR
At 37.7 MHz
At 150.0 MHz
At 200.0 MHz
Conditions
At 15.5 MHz
At 30.5 MHz
At 70.0 MHz
At 30.5 MHz
At 55.0 MHz
At 70.0 MHz
Max
30
3.1
7.9
7.0
4.7
4.7
t
t
7.0
ENC
E_FL(min)
AD6645
−
Unit
MSPS
MSPS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1, 2
1, 3
1, 4