AD6644PCB AD [Analog Devices], AD6644PCB Datasheet - Page 2

• Manufacturer Part Number: AD6644PCB
• Description: 14-Bit, 40 MSPS/65 MSPS A/D Converter
• Manufacturer: AD [Analog Devices]

AD6644–SPECIFICATIONS
DC SPECIFICATIONS
Parameter
RESOLUTION
ACCURACY
TEMPERATURE DRIFT
POWER SUPPLY REJECTION (PSRR)
REFERENCE OUT (V
ANALOG INPUTS (AIN, AIN)
POWER SUPPLY
POWER CONSUMPTION
NOTES
1
Specifications subject to change without notice.
DIGITAL SPECIFICATIONS
Parameter
ENCODE INPUTS (ENC, ENC)
LOGIC OUTPUTS (D13–D0, DRY, OVR)
NOTES
1
2
Specifications subject to change without notice.
SWITCHING SPECIFICATIONS
Parameter
Maximum Conversion Rate
Minimum Conversion Rate
ENCODE Pulsewidth High
ENCODE Pulsewidth Low
Specifications subject to change without notice.
All ac specifications tested by driving ENCODE and ENCODE differentially. Reference Figure 22 for performance versus encode power.
Digital output logic levels: DV
AV
No Missing Codes
Offset Error
Gain Error
Differential Nonlinearity (DNL)
Integral Nonlinearity (INL)
Offset Error
Gain Error
Differential Input Voltage Range
Differential Input Resistance
Differential Input Capacitance
Supply Voltage
Supply Current
Differential Input Voltage
Differential Input Resistance
Differential Input Capacitance
Logic Compatibility
Logic “1” Voltage
Logic “0” Voltage
Output Coding
DMID
CC
AV
DV
IA
ID
may be varied from 4.85 V to 5.25 V. However, rated ac (harmonics) performance is valid only over the range AV
VCC
VCC
CC
CC
1
(AV
(DV
CC
CC
= 5.0 V)
= 3.3 V)
2
2
REF
)
CC
1
= 3.3 V, C
(AV
CC
LOAD
= 5 V, DV
(AV
= 10 pF. Capacitive loads >10 pF will degrade performance.
Temp
Full
Full
Full
Full
Temp
Full
Full
Full
Full
Temp
Full
Full
Full
Full
Full
Full
Full
Full
Full
25°C
Full
Full
Full
25°C
25°C
Full
Full
Full
Full
CC
= 5 V, DV
(AV
–25 C, T
CC
CC
= 3.3 V; T
Test
Level
II
II
II
II
V
V
V
V
V
V
V
V
II
II
II
II
II
Test
Level
IV
V
V
V
V
V
Test
Level
II
IV
IV
IV
= 5 V, DV
MAX
CC
= 3.3 V; T
= +85 C)
MIN
CC
Min
–10
–10
–1.0
4.85
3.0
Min
0.4
Min
40
10
10
= –25 C, T
= 3.3 V; ENCODE and ENCODE = Maximum Conversion Rate MSPS; T
–2–
Two’s Complement
MIN
AD6644AST-40
AD6644AST-40
AD6644AST-40
Guaranteed
= –25 C, T
CMOS
DV
Typ
MAX
Typ
14
3
–6
± 0.25
± 0.50
10
95
± 1.0
2.4
2.2
1
1.5
5.0
3.3
245
30
1.3
Typ
10
2.5
2.5
0.4
CC
= +85 C)
/2
MAX
Max
15
= +85 C)
Max
+10
+10
+1.5
5.25
3.6
276
36
1.5
Max
Min
–10
–10
–1.0
4.85
3.0
Min
0.4
Min
65
6.5
6.5
CC
Two’s Complement
AD6644AST-65
AD6644AST-65
= 5.0 V to 5.25 V.
AD6644AST-65
Guaranteed
CMOS
DV
Typ
14
3
–6
± 0.25
± 0.50
10
95
± 1.0
2.4
2.2
1
1.5
5.0
3.3
245
30
1.3
Typ
10
2.5
2.5
0.4
Typ
CC
/2
Max
15
Max
+10
+10
+1.5
5.25
3.6
276
36
1.5
Max
Unit
MSPS
MSPS
ns
ns
MIN
Unit
mV
% FS
LSB
LSB
ppm/°C
ppm/°C
mV/V
V
V p-p
pF
V
V
mA
mA
W
Unit
V p-p
kΩ
pF
V
V
V
Bits
kΩ
REV. 0
=