Datasheet

AD7466/AD7467/AD7468
Rev. C | Page 15 of 28
1.0
DNL ERROR (LSB)
–0.6
–0.4
–0.2
0
0.4
0.2
0.6
0.8
–0.8
0 512 1024 1536 2048 2560 3072 3584 4096
CODE
V
DD
= 1.8V
TEMP = 25°C
f
IN
= 50Hz
f
SAMPLE
= 100kSPS
02643-015
Figure 14. AD7466 DNL Performance
290
SUPPLY CURRENT (μA)
90
115
140
165
190
215
240
265
65
1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8
SUPPLY VOLTAGE (V)
f
SAMPLE
= 100kSPS
TEMP = +85°C
TEMP = –40°C
TEMP = +25°C
02643-016
Figure 15. AD7466 Supply Current vs. Supply Voltage, SCLK 3.4 MHz
560
MAXIMUM CURRENT (
μ
A)
140
200
260
320
380
440
500
80
1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8
SUPPLY VOLTAGE (V)
TEMP = 25°C
f
SCLK
= 3.4MHz, f
SAMPLE
= 200kSPS
f
SCLK
= 1.2MHz, f
SAMPLE
= 50kSPS
f
SCLK
= 2.4MHz, f
SAMPLE
= 140kSPS
02643-017
Figure 16. AD7466 Maximum Current vs. Supply Voltage
for Different SCLK Frequencies
2.5
SHUTDOWN CURRENT (nA)
0.5
1.0
1.5
2.0
0
1.5 2.0 2.5 3.0 3.5 4.0
SUPPLY VOLTAGE (V)
TEMP = +25 ° C
TEMP = +85
° C
TEMP = –40
° C
02643-018
Figure 17. Shutdown Current vs. Supply Voltage
1.4
POWER (mW)
0.2
0.4
0.6
1.0
1.2
0.8
0
0 50 100 150 200 250
THROUGHPUT (kSPS)
TEMP = 25 ° C
V
DD
= 3.0V
V
DD
= 2.7V
V
DD
= 2.2V
V
DD
= 1.8V
02643-019
Figure 18. AD7466 Power Consumption vs. Throughput Rate, SCLK 3.4 MHz