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