AD9244BST-40 Analog Devices Inc, AD9244BST-40 Datasheet - Page 16

• Manufacturer Part Number: AD9244BST-40
• Description: IC ADC 14BIT 40MSPS 48-LQFP
• Manufacturer: Analog Devices Inc

Specifications of AD9244BST-40

• Rohs Status: RoHS non-compliant
• Number Of Bits: 14
• Sampling Rate (per Second): 40M
• Data Interface: Parallel
• Number Of Converters: 1
• Power Dissipation (max): 300mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• For Use With: AD9244-65PCBZ - BOARD EVAL FOR AD9244-65AD9244-40PCBZ - BOARD EVAL FOR AD9244-40

AD9244
Figure 36. CMRR vs. Input Frequency (A
–100
–120
–100
–110
–120
–20
–40
–60
–80
–10
–20
–30
–40
–50
–60
–70
–80
–90
105
100
95
90
85
80
75
70
65
0
0
Figure 35. Driving ADC Inputs with Transformer and Balun,
0
0
0
NOTE: SPUR FLOOR
BELOW 90dBFS @ 240MHz
Figure 34. Dual-Tone with f
f
IN−2
5
5
50
= 240.7 MHz (A
f
IN
= 240 MHz, A
10
10
INPUT FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
100
15
15
IN−1
IN
= A
= –8.5 dBFS
IN−1
IN−2
150
IN
20
20
= 239.1 MHz and
= 0 dBFS and CML = 2.5 V)
= –6.5 dBFS)
SFDR = 60.7dBc
THD = –90.8dBc
SNR = 62.6dBc
25
25
SNR = 71.3dBc
200
30.0
30
32.5
250
Rev. C | Page 16 of 36
100
100
90
80
70
60
50
40
95
90
85
80
75
70
65
60
55
50
95
90
85
80
75
70
65
60
55
–30
–21
–21
SNR (dBFS)
Figure 38. Driving ADC Inputs with Transformer and
Figure 39. Driving ADC Inputs with Transformer and
SFDR (dBFS)
SFDR = 90dBc
REFERENCE LINE
SNR (dBFS)
Figure 37. Dual-Tone SNR/SFDR vs. A
–18
–18
f
SNR (dBc)
IN−1
Balun SNR/SFDR vs. A
Balun SNR/SFDR vs. A
–25
SFDR (dBFS)
= 239.1 MHz and f
–15
–15
SFDR (dBc)
SFDR (dBc)
SFDR (dBc)
SNR (dBFS)
–20
SNR (dBc)
–12
–12
A
A
A
IN
IN
IN
(dBFS)
(dBFS)
(dBFS)
SNR (dBc)
IN
IN
IN−2
SFDR (dBFS)
–9
–9
, f
, f
–15
IN
IN
= 240.7 MHz
= 240 MHz
= 190 MHz
SFDR = 90dBc
REFERENCE LINE
–6
–6
SFDR = 90dBc
REFERENCE LINE
IN
–10
with
–3
–3
–5
0
0