Datasheet

AD7732
Rev. A | Page 9 of 32
TYPICAL PERFORMANCE CHARACTERISTICS
AIN DIFFERENTIAL VOLTAGE – V
INL – ppm
0
10
20
30
40
50
60
–20–15–10–50 5101520
MCLK = 6.144MHz
V
CM
= 0V
FILTER WORD
NO MISSING CODES
16
17
18
19
20
21
22
23
24
25
12345678910
CHOP = 1
Figure 8. Typical INL vs. AIN Differential Voltage, AIN Common-Mode
Voltage = 0 V, MCLK = 6.144 MHz, BIAS(+) = BIAS(–) = 2.5 V
Figure 5. No Missing Codes Performance, Chopping Enabled
AIN COMMON-MODE VOLTAGE – V
INL – ppm
0
10
20
30
40
50
60
–15 –10 –5 0 5 10 15
MCLK = 6.144MHz
FILTER WORD
NO MISSING CODES
16
17
18
19
20
21
22
23
24
25
12345678910
CHOP = 0
Figure 9. Typical INL vs. AIN Common-Mode Voltage, ±10 V Differential
Signal, MCLK = 6.144 MHz, BIAS(+) = BIAS(–) = 2.5 V
Figure 6. No Missing Codes Performance, Chopping Disabled
MCLK FREQUENCY – MHz
INL – ppm
0
5
10
15
01234567
V
CM
= 0V
MCLK FREQUENCY – MHz
AV
DD
+ DV
DD
CURRENT – mA
0
5
10
15
20
01234567
Figure 7. Typical INL vs. MCLK Frequency, ±10 V Differential Signal, AIN
Common-Mode Voltage = 0 V, BIAS(+) = BIAS(–) = 2.5 V
Figure 10. Typical Supply Current vs. MCLK Frequency,
Normal Operation, Converting