AD9245BCPZ-20 Analog Devices Inc, AD9245BCPZ-20 Datasheet - Page 13
![IC,A/D CONVERTER,SINGLE,14-BIT,CMOS,LLCC,32PIN](/photos/6/64/66408/32-lfcsp_sml.jpg)
AD9245BCPZ-20
Manufacturer Part Number
AD9245BCPZ-20
Description
IC,A/D CONVERTER,SINGLE,14-BIT,CMOS,LLCC,32PIN
Manufacturer
Analog Devices Inc
Datasheet
1.AD9245BCPZ-80.pdf
(32 pages)
Specifications of AD9245BCPZ-20
Number Of Bits
14
Sampling Rate (per Second)
20M
Data Interface
Parallel
Number Of Converters
3
Power Dissipation (max)
90mW
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-VFQFN, CSP Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AD9245BCP-80EBZ - BOARD EVAL FOR AD9245BCP-80AD9245BCP-40EBZ - BOARD EVAL FOR AD9245BCP-40AD9245BCP-20EBZ - BOARD EVAL FOR AD9245BCP-20
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
TYPICAL PERFORMANCE CHARACTERISTICS
DUT = AD9245-80, AVDD = 3.0 V, DRVDD = 2.5 V, maximum sample rate, DCS disabled, T
AIN = −0.5 dBFS, VREF = 1.0 V external, unless otherwise noted.
–100
–110
–120
–100
–110
–120
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
0
0
0
AIN = –0.5dBFS
SNR = 72.7dBc
ENOB = 11.8 BITS
SFDR = 87.6dBc
5
5
5
Figure 10. Single Tone 8K FFT @ 70 MHz
Figure 8. Single Tone 8K FFT @ 2.5 MHz
Figure 9. Single Tone 8K FFT @ 39 MHz
10
10
10
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
15
15
15
AIN = –0.5dBFS
SNR = 71.7dBc
ENOB = 11.5 BITS
SFDR = 81.6dBc
20
20
20
25
25
25
AIN = –0.5dBFS
SNR = 73.2dBc
ENOB = 11.8 BITS
SFDR = 92.8dBc
30
30
30
35
35
35
40
40
40
Rev. D | Page 13 of 32
Figure 11. Single Tone SNR/SFDR vs. Input Amplitude (AIN) @ 2.5 MHz
Figure 12. Single Tone SNR/SFDR vs. Input Amplitude (AIN) @ 39 MHz
100
100
100
90
80
70
60
50
40
90
80
70
60
50
40
90
80
70
60
50
–30
–30
0
Figure 13. SNR/SFDR vs. Sample Rate @ 40 MHz
–25
–25
20
A
SFDR (DIFF)
= 25°C, 2 V p-p differential input,
SFDR = 90dBc
REFERENCE LINE
SFDR = 90dBc
REFERENCE LINE
INPUT AMPLITUDE (dBFS)
INPUT AMPLITUDE (dBFS)
SFDR (SE)
–20
–20
SAMPLE RATE (MSPS)
SFDR (dBc)
SFDR (dBc)
40
SNR (dBc)
SNR (dBc)
–15
–15
60
–10
–10
SFDR (dBFS)
SNR (SE)
SFDR (dBFS)
SNR (dBFS)
SNR (dBFS)
80
SNR (DIFF)
–5
–5
AD9245
100
0
0