TYPICAL DYNAMIC PERFORMANCE (ADC701/SHC702)(1)
FULL-SCALE SINEWAVE RESPONSE, fIN = 20kHz
FULL-SCALE SINEWAVE RESPONSE, fIN = 100kHz
0
–20
0
–20
–40
–40
–60
–60
2
V
3
V
–80
–80
4
V
7
2
V
6
V
8
9
5
V
5
V
3
V
4
V
7
V
V
–100
–120
–140
–100
–120
–140
9
V
V
V
0
50
100
150
200
250
0
50
100
150
200
250
Frequency (kHz)
Frequency (kHz)
Input Frequency
Fundamental –0.3 dB
2nd Harmonic –107.5 dB
3rd Harmonic –111.5 dB
19.9890136719 kHz
Input Frequency
100.982666016 kHz
4th Harmonic
5th Harmonic
6th Harmonic
–115.6 dB
–111.2 dB
–124.5 dB
Fundamental
2nd Harmonic
3rd Harmonic
–0.5 dB
–89.1 dB
–90.5 dB
4th Harmonic
5th Harmonic
6th Harmonic
–102.5 dB
–110.2 dB
–106.8 dB
TWO-TONE INTERMODULATION RESPONSE,
fIN = 195kHz and 200kHz
FULL-SCALE SINEWAVE RESPONSE, fIN = 200kHz
0
–20
0
–20
–40
–40
–60
–60
2
1
V
3
V
2
V
–80
–80
3
V
5
V
V
4
V
7
6
V
5
V
V
–100
–120
–140
–100
–120
–140
0
50
100
150
200
250
0
50
100
150
200
250
Frequency (kHz)
Frequency (kHz)
Input Frequency
199.005126953 kHz
Frequency 1
Frequency 2
194.976806641 kHz
199.981689453 kHz
Fundamental
2nd Harmonic
3rd Harmonic
–0.7dB
–81.4dB
–89.4dB
4th Harmonic
5th Harmonic
6th Harmonic
–111.5dB
–97.0dB
–112.5dB
f1
f2
–6.8dB
3 > f1 +2f2
4 > 2f1 +f2
5 > f1 –2f2
6 > 2f1 –f2
–96.0dB
–6.3dB
–87.7dB
–88.8dB
–96.8dB
–104.9dB
–109.0dB
1 > f1 +f2
2 > f1 –f2
NOTE: (1) For figures above, sampling rate = 500.0000000000kHz. 16,384 point FFT, non-windowed. Noise floor limited by synthesized generators.
DIFFERENTIAL NONLINEARITY OF ALL CODES,
19.6 MILLION SAMPLES
2
1
0
–1
–2
0
32767
Codes
65535
®
6
ADC701/SHC702
BB [ BURR-BROWN CORPORATION ]
