ad7450ar-reel7 Analog Devices, Inc., ad7450ar-reel7 Datasheet - Page 8

• Manufacturer Part Number: ad7450ar-reel7
• Description: Differential Input, 1 Msps 12-bit Adc In
  soic-8 And So-8
• Manufacturer: Analog Devices, Inc.

AD7450–Typical Performance Characteristics
(Default Conditions: T
–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.6
–0.8
–1.0
–100
–120
TPC 1. Dynamic Performance at
1 MSPS with V
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
–20
–40
–60
–80
0
0
0
0
TPC 4. Typical Differential
Nonlinearity (DNL) V
0
0
8192 POINT FFT
f
f
SINAD = 71.7dB
THD = –82.8dB
PK NOISE = –85.3dB
TPC 7. Typical Integral
Nonlinearity (INL) V
SAMPLE
IN
50
= 300kHz
100 150 200 250 300 350 400 450
1024
1024
= 1MSPS
FREQUENCY – kHz
DD
A
CODE
CODE
2048
2048
= 25 C)
= 5 V
3072
DD
3072
DD
= 5 V
= 3 V
4096
4096
500
TPC 8. Change in DNL vs. Reference
Voltage V
TPC 2. Dynamic Performance at
833 kSPS with V
–0.2
–0.4
–0.6
–0.8
–1.0
–100
–120
–0.5
–1.0
1.0
0.8
0.6
0.4
0.2
–20
–40
–60
–80
1.0
0.5
0
0
0
TPC 5. Typical Differential
Nonlinearity (DNL) V
0
0
0
8192 POINT FFT
f
f
SINAD = 70.2dB
THD = –82dB
PK NOISE = –87.1dB
SAMPLE
IN
= 300kHz
50
DD
0.5
1024
= 5 V
= 833kSPS
100
1.0
FREQUENCY – kHz
–8–
150
1.5
DD
CODE
2048
V
REF
200
= 3 V
2.0
NEGATIVE DNL
250
POSITIVE DNL
DD
2.5
3072
= 3 V
300
3.0
350
4096
3.5
TPC 3. SINAD vs. Analog Frequency
for Various Supply Voltages
TPC 9. Change in DNL vs. Reference
Voltage V
–0.2
–0.4
–0.6
–0.8
–1.0
–0.5
–1.0
1.0
0.8
0.6
0.4
0.2
1.5
1.0
0.5
–63
–65
–67
–69
–71
–73
–75
0
0
10
0
0
TPC 6. Typical Integral
Nonlinearity (INL) V
V
V
DD
DD
DD
= 4.75V
= 3.3 V*
= 2.7V
1024
0.6
INPUT FREQUENCY – kHz
CODE
2048
1.2
V
100
REF
V
V
DD
DD
NEGATIVE DNL
POSITIVE DNL
= 3.3V
= 5.25V
1.8
3072
DD
REV. 0
= 5 V
2.4
4096
1000