TYPICAL PERFORMANCE CURVES
At TA = +25°C, VDD = VEE = +5V; Bipolar ±10V Input Range; sampling frequency of 110kHz; unless otherwise specified. All plots use 4096 point FFTs.
SIGNAL/(NOISE + DISTORTION) vs
FREQUENCY SPECTRUM (±10V, 2kHz Input)
INPUT FREQUENCY AND AMBIENT TEMPERATURE
0
–20
–40
–60
–80
75
S/(N + D) = 72.6dB
THD = –93.5dB
SNR = 72.6dB
–55°C
70
65
+25°C
+125°C
–100
–120
0
10
20
30
40
50 55
0.1
1
10
100
Input Frequency (kHz)
Input Frequency (kHz)
FREQUENCY SPECTRUM (±10V, 20kHz Input)
FREQUENCY SPECTRUM (±1V, 20kHz Input)
0
–20
–40
–60
–80
0
S/(N + D) = 70.6dB
THD = –77.5dB
SNR = 71.5dB
S/(N + D) = 53.1dB
THD = –74.2dB
SNR = 53.1dB
–20
–40
–60
–80
–100
–120
–100
–120
0
10
20
30
40
50 55
0
10
20
30
40
50 55
Input Frequency (kHz)
Input Frequency (kHz)
POWER SUPPLY REJECTION
vs SUPPLY RIPPLE FREQUENCY
SPURIOUS FREE DYNAMIC RANGE, SNR AND THD
vs INPUT FREQUENCY
80
60
40
100
90
Spurious Free Dynamic Range
Total Harmonic Distortion (THD)
Signal-to-Noise Ratio (SNR)
80
70
60
20
10
10
100
1k
10k
100k
1M
10M
0.1
1
10
100
Supply Ripple Frequency (Hz)
Input Frequency (kHz)
®
5
ADS774
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