AD7492–Typical Performance Characteristics
71
70
69
68
5V
67
66
3V
65
64
63
62
61
60
0
500
1000
1500
2000
2500
INPUT FREQUENCY – kHz
TPC 1. Typical SNR+D vs. Input Tone
0
–20
–40
–60
–80
–100
–120
0
100000 200000 300000 400000 500000 600000
FREQUENCY – Hz
TPC 4. Typical SNR @ 500 kHz Input Tone
95
90
85
5V
80
75
70
3V
65
60
55
50
100
200
350
500
1000
INPUT FREQUENCY – kHz
2000
TPC 2. Typical THD vs. Input Tone
0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
1
5V
10
100
1000
10000
FREQUENCY – Hz
TPC 5. Typical Bandwidth
100000
70.60
70.40
70.20
70.00
69.80
69.60
69.40
69.20
69.00
2.50
–40؇C
–55؇C
+125؇C
3.00
3.50
4.00
4.50
SUPPLY – Volts
+25؇C
+85؇C
5.00
5.50
TPC 3. Typical SNR vs. Supply
0
VCC = 5V
–20
100mV p-p SINEWAVE ON VCC
fSAMPLE = 1MHz, fIN = 100kHz
–40
–60
–80
–100
–120
0 5 10 16 20 26 31 36 41 46 51 57 61 67 72 77 82 88 92 97
3 8 13 18 23 28 34 39 44 49 54 59 64 69 74 80 84 89 94 100
VCC RIPPLE FREQUENCY – kHz
TPC 6. Typical Power Supply Rejection Ratio (PSRR)
–8–
REV. 0