ADUC7023 Analog Devices, ADUC7023 Datasheet - Page 17

• Manufacturer Part Number: ADUC7023
• Description: Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI MCU
• Manufacturer: Analog Devices

Specifications of ADUC7023

• Mcu Core: ARM7 TDMI
• Mcu Speed (mips): 40
• Sram (bytes): 8192Bytes
• Gpio Pins: 20
• Adc # Channels: 12
• Other: PWM

TYPICAL PERFORMANCE CHARACTERISTICS
Figure 11. Typical DNL, f
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
–0.1
–0.2
–0.3
–0.4
–0.2
–0.4
–0.6
–0.8
–1.0
Figure 10. Typical INL, f
Figure 9. Typical DNL, f
0.6
0.5
0.4
0.3
0.2
0.1
0.6
0.4
0.2
0.6
0.5
0.4
0.3
0.2
0.1
0
0
0
0
0
0
SAMPLING RATE = 950kSPS
WORST CASE POSITIVE = 0.63, CODE = 2364
WORST CASE NEGATIVE = –0.46, CODE = 2363
SAMPLING RATE = 950kSPS
WORST CASE POSITIVE = 0.57, CODE = 4063
WORST CASE NEGATIVE = –0.90, CODE = 3356
SAMPLING RATE = 950kSPS
WORST CASE POSITIVE = 0.64, CODE = 3583
WORST CASE NEGATIVE = –0.61, CODE = 1830
500
500
500
1000
1000
1000
ADC
1500
1500
1500
ADC
ADC
= 950 kSPS, External 1.0 V Reference Used
= 950 kSPS, Internal Reference Used
= 950 kSPS, Internal Reference Used
ADC CODES
ADC CODES
ADC CODES
2000
2000
2000
2500
2500
2500
3000
3000
3000
3500
3500
3500
4095
4095
4095
Rev. B | Page 17 of 96
Figure 13. SINAD, THD, and PHSN of ADC , Internal 2.5 V Reference Used
Figure 12. Typical INL, f
–100
–200
–400
–20
–40
–60
–80
–0.2
–0.4
–0.6
–0.8
–1.0
1.2
1.0
0.8
0.6
0.4
0.2
20
0
0
0
0
SAMPLING RATE = 950kSPS
WORST CASE POSITIVE = 1.09, CODE = 4032
WORST CASE NEGATIVE = –0.98, CODE = 3422
500
20,000
1000
ADC
1500
40,000
= 950 kSPS, External 1.0 V Reference Used
FREQUENCY (Hz)
ADC CODES
2000
60,000
2500
3000
80,000
ADuC7023
3500
104,400
4095