Datasheet

AD7625 Data Sheet
Rev. A | Page 10 of 24
–116
–114
–112
–110
–108
–106
–104
–102
–100
–98
–96
–94
0 20 40 60 80
100 120
07652-012
INPUT FREQUENCY (kHz)
THD (dB)
–0.5dBFS
–1dBFS
–3dBFS
–5dBFS
–10dBFS
Figure 9. THD at Input Amplitudes of −0.5 dBFS to −10 dBFS vs. Frequency
92.2
92.4
92.6
92.8
93.0
93.2
93.4
93.6
93.8
–60 –40 –20 0 20 40 60 80 100
120
07652-018
TEMPERATURE (°C)
SNR, DYNAMIC RANGE (dB)
DYNR vs. TEMP INTERNAL REF
DYNR vs. TEMP EXTERNAL REF
SNR vs. TEMP INTERNAL REF
SNR vs. TEMP EXTERNAL REF
Figure 10. Dynamic Range and SNR vs. Temperature
(−0.5 dB, 20 kHz Input Tone)
–60
–40
–20
0
20
40
60
80
100
120
–4–6 –2 0 2 4 6
07652-010
DIFFERENTIAL INPUT VOLTAGE (V)
INPUT CURRENT (µA)
IN–
IN+
Figure 11. Input Current (IN+, IN−) vs. Differential Input Voltage (6 MSPS)
–103.5
–103.0
–102.5
–102.0
–101.5
–101.0
–100.5
07652-021
THD (dB)
–60 –40 –20 0 20 40 60 80 100 120
TEMPERATURE (°C)
INTERNAL REF
EXTERNAL REF
Figure 12. THD vs. Temperature (−0.5 dB, 20 kHz Input Tone)
91.6
91.8
92.0
92.2
92.4
92.6
92.8
93.0
93.2
07652-019
SINAD (dB)
–60 –40 –20 0 20 40 60 80 100 120
TEMPERATURE (°C)
SINAD vs. TEMP INTERNAL REF
SINAD vs. TEMP EXTERNAL REF
Figure 13. SINAD vs. Temperature
(−0.5 dB, 20 kHz Input Tone)
0
2
4
6
8
10
12
07652-020
ZERO ERROR AND GAIN ERROR (LSB)
–60 –40 –20 0 20 40 60 80 100 120
TEMPERATURE (°C)
GAIN ERROR
ZERO ERROR
Figure 14. Zero Error and Gain Error vs. Temperature