ADUC7021 Analog Devices, ADUC7021 Datasheet - Page 32

• Manufacturer Part Number: ADUC7021
• Manufacturer: Analog Devices

Specifications of ADUC7021

• Mcu Core: ARM7 TDMI
• Mcu Speed (mips): 40
• Sram (bytes): 8192Bytes
• Gpio Pins: 13
• Adc # Channels: 8

ADuC7019/20/21/22/24/25/26/27/28/29
9000
8000
7000
6000
5000
4000
3000
2000
1000
–100
–120
–140
–160
–100
–120
–140
–160
–20
–40
–60
–80
–20
–40
–60
–80
20
Figure 24. Code Histogram Plot, fs = 774 kSPS, V
0
0
0
0
0
Figure 25. Dynamic Performance, f
Figure 26. Dynamic Performance, f
1161
50
FREQUENCY (kHz)
FREQUENCY (kHz)
1162
BIN
100
100
S
S
= 774 kSPS
= 1 MSPS
f
SNR = 69.3dB,
THD = –80.8dB,
PHSN = –83.4dB
f
SNR = 70.4dB,
THD = –77.2dB,
PHSN = –78.9dB
1
S
S
50
= 774kSPS,
= 1MSPS,
IN
1163
= 0.7 V
200
200
Rev. D | Page 32 of 96
Figure 28. On-Chip Temperature Sensor Voltage Output vs. Temperature
75
70
65
60
55
50
45
40
1500
1450
1400
1350
1300
1250
1200
1150
1100
1050
1000
39.8
39.7
39.6
39.5
39.4
39.3
39.2
39.1
39.0
38.9
Figure 29. Current Consumption vs. Temperature @ CD = 0
1.0
–50
Figure 27. Typical Dynamic Performance vs. V
–40
SNR
1.5
0
EXTERNAL REFERENCE (V)
0
TEMPERATURE ( ° C)
TEMPERATURE (°C)
2.0
50
25
THD
2.5
85
100
3.0
REF
125
150
–76
–78
–80
–82
–84
–86
–88