DSP101 Burr-Brown Corporation, DSP101 Datasheet - Page 3

• Manufacturer Part Number: DSP101
• Description: DSP-Compatible Sampling Single/Dual ANALOG-TO-DIGITAL CONVERTERS
• Manufacturer: Burr-Brown Corporation

TYPICAL PERFORMANCE CURVES
At T
2048 Point FFT; Data analysis limited to 0 to 20kHz band; Unless otherwise specified.
SINAD means Signal-to-(Noise + Distortion) Ratio.
SNR means Signal-to-Noise Ratio excluding harmonics
thru the 8th.
A
–120
–100
–120
–100
–120
–90
= +25 C, V
–60
–30
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
0
0
0
DSP102 CHANNEL SEPARATION ON CHANNEL B WITH
FREQUENCY SPECTRUM of ±2.75V, 451kHz INPUT
FREQUENCY SPECTRUM of ±2.75V, 1kHz INPUT
A
+ = V
(Using Four-Term Blackman-Harris Window)
(Average of 12 FFTs, No Window Used)
±2.75V, 1kHz INPUT ON CHANNEL A
D
+ = +5V, V
25
25
25
Frequency (kHz)
Frequency (kHz)
Frequency (kHz)
A
– = V
50
50
50
D
– = –5V, Sampling Frequency f
Undersampling
75
75
75
100
100
100
S
= 200kHz; External Clock Input at OSC1 = 80f
3
–100
–120
–100
–120
THD means Total Harmonic Distortion thru 8th harmonic.
SFDR means Spurious Free Dynamic Range, including
harmonics.
–20
–40
–60
–80
–20
–40
–60
–80
100
INTERMODULATION DISTORTION WITH 1kHz AND 3kHz INPUTS
80
85
90
95
0
0
–55 –40 –25
0
0
FREQUENCY SPECTRUM of ±2.75V, 20kHz INPUT
DYNAMIC PERFORMANCE vs TEMPERATURE
(Using Four-Term Blackman-Harris Window)
(Using Four-Term Blackman-Harris Window)
25
25
Ambient Temperature (°C)
0
Frequency (kHz)
Frequency (kHz)
25
50
50
DSP101/102
S
= 16MHz, XCLK = 40f
f
70
IN
= 1kHz, ±2.75V
75
75
85
SFDR
SINAD
THD
SNR
S
= 8MHz; Using
100
100
125
–80
–85
–90
–95
–100
®