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AD7949SCPZ-EP-R2

P1-P3P4-P6P7-P9P10-P12
AD7949-EP Enhanced Product
90
85
80
75
70
65
60
0 50
100 150 200
SNR (dB)
FREQUENCY (kHz)
VDD = V
REF
= 5V, –0.5dB
VDD = V
REF
= 5V, –10dB
VDD = V
REF
= 2.5V, –0.5dB
VDD = V
REF
= 2.5V, –10dB
09822-011
Figure 11. SNR vs. Frequency
88
86
84
82
80
78
15.5
15.0
14.5
14.0
13.5
13.0
1.0
SNR, SINAD (dB)
ENOB (Bits)
REFERENCE VOLTAGE (V)
1.5 2.0 2.5 3.0
3.5 4.0 4.5
5.0 5.5
SNR
SINAD
ENOB
09822-012
Figure 12. SNR, SINAD, and ENOB vs. Reference Voltage
90
85
80
75
70
65
60
–55
SNR (dB)
TEMPERATURE (°C)
–35 –15 5 25 45 65 85 105
125
f
IN
= 20kHz
VDD = V
REF
= 5V
VDD = V
REF
= 2.5V
09822-013
Figure 13. SNR vs. Temperature
90
85
80
75
70
65
60
0
50 100
150 200
SINAD (dB)
FREQUENCY (kHz)
VDD = V
REF
= 5V, –0.5dB
VDD = V
REF
= 5V, –10dB
VDD = V
REF
= 2.5V, –0.5dB
VDD = V
REF
= 2.5V, –10dB
09822-014
Figure 14. SINAD vs. Frequency
130
125
120
115
110
105
100
95
90
85
80
75
70
1.0
SFDR (dB)
–60
–65
–70
–75
–80
–85
–90
–95
–100
–105
–110
–115
–120
THD (dB)
REFERENCE VOLTAGE (V)
1.5 2.0 2.5
3.0 3.5
4.0 4.5
5.0
5.5
SFDR
THD
09822-015
Figure 15. SFDR and THD vs. Reference Voltage
–90
–95
–100
–105
–110
–55
THD (dB)
TEMPERATURE (°C)
–35 –15 5 25 45 65 85 105
125
f
IN
= 20kHz
VDD = V
REF
= 5V
VDD = V
REF
= 2.5V
09822-016
Figure 16. THD vs. Temperature
Rev. A | Page 10 of 12
Enhanced Product AD7949-EP
–60
–70
–80
–90
–100
–110
–120
0 50 100 150 200
THD (dB)
FREQUENCY (kHz)
VDD = V
REF
= 5V, –0.5dB
VDD = V
REF
= 2.5V, –0.5dB
VDD = V
REF
= 2.5V, –10dB
VDD = V
REF
= 5V, –10dB
09822-017
Figure 17. THD vs. Frequency
90
89
88
87
86
85
84
83
82
81
80
79
78
–10
SNR (dB)
INPUT LEVEL (dB)
–8
–6 –2 0
–4
f
IN
= 20kHz
VDD
= V
REF
= 2.5V
09822-018
VDD = V
REF
= 5V
Figure 18. SNR vs. Input Level
2
1
0
–1
–2
OFFSET ERROR AND GAIN ERROR (LSB)
–55
TEMPERATURE (°C)
–35 –15 5 25 45 65 85 105
125
UNIPOLAR ZERO
UNIPOLAR GAIN
BIPOLAR ZERO
BIPOLAR GAIN
09822-019
Figure 19. Offset and Gain Errors vs. Temperature
2750
2500
2250
2000
1750
1500
1250
1000
750
100
90
80
70
60
50
40
30
20
2.5
3.0 3.5 4.0 4.5 5.0 5.5
VDD CURRENT (µA)
VIO CURRENT (µA)
VDD SUPPLY (V)
2
.5
V I
N
TE
RNA
L R
EF
4.
096V
I
NT
ERNA
L
RE
F
INTERNAL BU
FFE
R,
T
EM
P O
N
I
NT
E
RNAL
BU
FFE
R,
T
EM
P OFF
EXT
ERNA
L
RE
F,
T
EM
P
ON
EXTE
RNAL
R
EF
, T
E
MP
OF
F
V
I
O
f
S
= 200kSPS
09822-020
Figure 20. Operating Currents vs. Supply
3000
2750
2500
2250
2000
1750
1500
1250
1000
180
160
140
120
100
80
60
40
20
VDD CURRENT (µA)
VIO CURRENT (µA)
–55
TEMPERATURE (°C)
–35 –15 5
25 45 65 85
105
125
f
S
= 200kSPS
VDD =
5V, INTERNAL4.096V
REF
VDD = 5V, EXT
ERNAL R
EF
VDD = 2.5, EXTERNAL RE
F
VIO
09822-021
Figure 21. Operating Currents vs. Temperature
Rev. A | Page 11 of 12
AD7949-EP Enhanced Product
Rev. A | Page 12 of 12
OUTLINE DIMENSIONS
0.50
BSC
0.50
0.40
0.30
0.30
0.25
0.20
COMPLIANT
TO
JEDEC STANDARDS MO-220-WGGD.
061609-B
BOTTOM VIEWTOP VIEW
EXPOSED
PAD
P
I
N
1
I
N
D
I
C
A
T
O
R
4.10
4.00 SQ
3.90
SEATING
PLANE
0.80
0.75
0.70
0.05 MAX
0.02 NOM
0.20 REF
0.25 MIN
COPLANARITY
0.08
PIN 1
INDICATOR
2.65
2.50 SQ
2.35
FOR PROPER CONNECTION OF
THE EXPOSED PAD, REFER TO
THE PIN CONFIGURATION AND
FUNCTION DESCRIPTIONS
SECTION OF THIS DATA SHEET.
1
20
6
10
11
15
16
5
Figure 22. 20-Lead Lead Frame Chip Scale Package (LFCSP_WQ)
4 mm × 4 mm Body, Very Very Thin Quad
(CP-20-10)
Dimensions shown in millimeters
ORDERING GUIDE
Model
1
Temperature
Range Package Description
Package
Option
Ordering
Quantity
AD7949SCPZ-EP-RL7 –55°C to +125°C 20-Lead LFCSP_WQ, 7” Tape and Reel CP-20-10 1,500
1
Z = RoHS Compliant Part.
©2011–2015 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
D09822-0-5/15(A)
P1-P3P4-P6P7-P9P10-P12

AD7949SCPZ-EP-R2

Mfr. #:
Buy AD7949SCPZ-EP-R2
Manufacturer:
Analog Devices Inc.
Description:
Analog to Digital Converters - ADC 8 ch 250ksps 14bit ADC IC
Lifecycle:
New from this manufacturer.
Delivery:
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