AD7450BRMZ Analog Devices Inc, AD7450BRMZ Datasheet - Page 9

• Manufacturer Part Number: AD7450BRMZ
• Description: 3V/5V DIFFERENTIAL INPUT 12 BIT SAR IC
• Manufacturer: Analog Devices Inc

Specifications of AD7450BRMZ

• Rohs Compliant: YES
• Number Of Bits: 12
• Sampling Rate (per Second): 1M
• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 9.25mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7450CBZ - BOARD EVALUATION FOR AD7450
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TPC 10. Change in INL vs. Reference
Voltage V
TPC 13. Histogram of the Output
Codes with a DC Input for V
TPC 16. CMRR vs. Input Frequency
for V
*See References section.
REV. 0
10,000
9,000
8,000
7,000
6,000
5,000
4,000
3,000
2,000
1,000
–0.5
–1.0
–1.5
1.5
1.0
0.5
90
80
70
60
50
40
30
20
10
0
DD
0
2044
0
10
0
10,000 CONVERSIONS
V
f
= 5 V and 3 V
S
IN
= 1MSPS
DD
0.5
2045
= V
= 5 V
IN
1.0
–
FREQUENCY – kHz
100
2046
1.5
CODES
10,000
CODE
V
V
DD
REF
2.0
= 3V
2047
NEGATIVE INL
1,000
POSITIVE INL
2.5
V
DD
DD
2048
= 5V
= 5 V
3.0
10,000
2049
3.5
TPC 11. Change in INL vs. Reference
Voltage V
TPC 14. Histogram of the Output
Codes with a DC Input for V
10,000
9,000
8,000
7,000
6,000
5,000
4,000
3,000
2,000
1,000
–1.0
–0.5
–1.5
2.0
1.5
1.0
0.5
0
0
2044
0
V
10,000 CONVERSIONS
f
S
IN
= 833kSPS
DD
= V
2045
= 3.3 V*
CODES
0.6
IN
71
–
–9–
2046
CODES
CODE
9,839
1.2
V
REF
POSITIVE INL
NEGATIVE INL
2047
CODES
1.8
DD
90
2048
= 3 V
2.4
2049
TPC 12. Change in Zero-Code Error vs.
Reference Voltage V
TPC 15. Change in ENOB vs. Refer-
ence Voltage V
–1
–2
–3
–4
–5
–6
–7
–8
–9
12
11
10
1
0
0.25
9
8
7
6
0
V
f
S
DD
= 1MSPS
0.75
V
f
0.5
S
= 5V
DD
= 833kSPS
= 3.3V
1.0
1.25
DD
1.5
= 5 V and 3.3 V*
1.75
V
f
V REF
V
S
DD
DD
REF
= 833kSPS
= 3.3V
2.0
= 5 V and 3.3 V*
AD7450
2.25
V
f
S
2.5
DD
= 1MSPS
2.75 3.25
= 5V
3.0
3.5
3.50