Typical Performance Characteristics–AD7485
1.0
0.8
–40
–50
0.6
100ꢂ
0.4
–60
51ꢂ
0.2
–70
0
–0.2
–0.4
–0.6
–0.8
–1.0
10ꢂ
–80
0ꢂ
–90
–100
100
1000
10000
0
4096
8192
12288
16384
INPUT FREQUENCY – kHz
ADC CODE
TPC 1. Typical DNL
TPC 4. THD vs. Input Tone for Different Input Resistances
1.0
0.8
0
100mV p-p SINE WAVE ON SUPPLY PINS
–10
–20
–30
–40
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
–50
–60
–70
–80
0
4096
8192
12288
16384
10
100
1000
ADC CODE
FREQUENCY – kHz
TPC 5. PSRR without Decoupling
TPC 2. Typical INL
80
75
0.0004
0
–0.0004
–0.0008
–0.0012
70
65
–0.0016
–0.0020
10
100
1000
10000
–55
–25
5
35
65
95
125
INPUT FREQUENCY – kHz
TEMPERATURE – ꢃC
TPC 3. SINAD vs. Input Tone (AD8021 Input Circuit)
TPC 6. Reference Error
REV. 0
–7–
AMICC [ AMIC TECHNOLOGY ]
