TYPICAL PERFORMANCE CURVES
TA = +25°C, VDD = VEE = +5V; Bipolar ±10V Input Range; sampling frequency of 40kHz; unless otherwise specified. All plots use 4096 point FFTs.
SIGNAL/(NOISE + DISTORTION) vs
INPUT FREQUENCY AND AMBIENT TEMPERATURE
FREQUENCY SPECTRUM (±10V, 2kHz Input)
75
0
–20
–40
–60
–80
S/(N + D) = 73.1dB
THD = –94.5dB
SNR = 73.1dB
–55°C
70
65
+25°C
+125°C
–100
–120
0.1
1
10
100
0
5
10
15
20
Input Frequency (kHz)
Frequency (kHz)
FREQUENCY SPECTRUM (±10V, 19kHz Input)
FREQUENCY SPECTRUM (±1V, 19kHz Input)
0
–20
–40
–60
–80
0
S/(N + D) = 68.4dB
THD = –75.9dB
SNR = 69.3dB
S/(N + D) = 53.3dB
THD = –74.5dB
SNR = 53.3dB
–20
–40
–60
–80
–100
–120
–100
–120
0
5
10
15
20
0
5
10
15
20
Frequency (kHz)
Frequency (kHz)
POWER SUPPLY REJECTION
vs SUPPLY RIPPLE FREQUENCY
SPURIOUS FREE DYNAMIC RANGE, SNR AND THD
vs INPUT FREQUENCY
80
60
40
100
90
80
70
60
20
10
10
100
1k
10k
100k
1M
10M
0.1
1
10
100
Supply Ripple Frequency (Hz)
Input Frequency (kHz)
®
4
ADS574
BB [ BURR-BROWN CORPORATION ]
