AD7329_15 Datasheet, PDF (14/38 Pages) Analog Devices – 1 MSPS, 8-Channel, Software-Selectable, True Bipolar Input, 12-Bit Plus Sign ADC

AD7329
–50
SINGLE-ENDED MODE
V_DD = 12V, V_SS = –12V
–55 V_CC = V_DRIVE = 5V
INTERNAL REFERENCE
–60
AD8021 BETWEEN MUX_OUT+
AND ADC_IN+ PINS
–65
–70
±10V RANGE
R_IN = 2000Ω
R_IN = 1000Ω
R_IN = 600Ω
R_IN = 100Ω
R_IN = 50Ω
–75
–80
–85
–90
10
±2.5V RANGE
R_IN = 2000Ω
R_IN = 1000Ω
R_IN = 600Ω
R_IN = 100Ω
R_IN = 50Ω
100
ANALOG INPUT FREQUENCY (kHz)
1000
Figure 22. THD vs. Analog Input Frequency for Various Source Impedances,
Single-Ended Mode
Data Sheet
–76
±5V RANGE
V_CC = V_DRIVE = 5V
INTERNAL REFERENCE
–78
SINGLE-ENDED MODE
AD8021 BETWEEN MUX_OUT+
AND ADC_IN+ PINS
–80
–82
30kHz/500kSPS
–84
30kHz/1MSPS
–86
10kHz/500kSPS
–88
±5
±7
±9
10kHz/1MSPS
±11
±13
±15
±17
SUPPLY VOLTAGE (V) (V_DD = +, V_SS = –)
Figure 23. THD vs. Supply Voltage at 500 kSPS and 1 MSPS
with 10 kHz and 30 kHz Input Tone
Rev. C | Page 14 of 38