AD7492 Analog Devices, AD7492 Datasheet - Page 10

• Manufacturer Part Number: AD7492
• Description: 1MSPS, 4mW Internal Ref & Clk, 12-Bit Parallel ADC
• Manufacturer: Analog Devices

Specifications of AD7492

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 1MSPS
• Interface: Par
• Analog Input Type: SE-Uni
• Ain Range: Uni 2.5V
• Adc Architecture: SAR
• Pkg Type: SOIC,SOP

AD7492
TYPICAL PEFORMANCE CHARACTERISTICS
70.60
70.4
70.2
70.0
69.8
69.6
69.4
69.2
69.0
71
70
69
68
67
66
65
64
63
62
61
60
95
90
85
80
75
70
65
60
55
50
2.50
0
100
–55°C
Figure 4. Typical SNR + D vs. Input Tone
3.0
500
Figure 5. Typical THD vs. Input Tone
Figure 6. Typical SNR vs. Supply
200
INPUT FREQUENCY (kHz)
INPUT FREQUENCY (kHz)
3.5
+125°C
1000
SUPPLY (Volts)
350
3V
4.0
–40°C
1500
500
5V
4.5
1000
3V
2000
5.0
5V
+25°C
2000
+85°C
2500
5.5
Rev. A | Page 10 of 24
–100
–120
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
–20
–40
–60
–80
–100
–120
–20
–40
–60
–80
0
0
0
0
1
0 5 10 16 20 26 31 36 41 46 51 57 61 67 72 77 82 88 92 97
Figure 9. Typical Power Supply Rejection Ratio (PSRR)
3 8 13 18 23 28 34 39 44 49 54 59 64 69 74 80 84 89 94 100
V
100mV p-p SINEWAVE ON V
f
SAMPLE
CC
Figure 7. Typical SNR @ 500 kHz Input Tone
100000
= 5V
10
= 1MHz,
Figure 8. Typical Bandwidth
V
200000
CC
f
RIPPLE FREQUENCY (kHz)
FREQUENCY (Hz)
FREQUENCY (Hz)
IN
100
= 100kHz
300000
CC
1000
400000
5V
10000
500000
600000
100000