LTC1563-2/LTC1563-3
TYPICAL PERFOR A CE CHARACTERISTICS
THD + Noise vs Output Load
–70
–75
–80
–85
–90
–95
–100
LP MODE,
3V
P-P
SIGNAL
LP MODE,
2V
P-P
SIGNAL
V
S
= SINGLE 5V
f
C
= 25.6kHz
f
IN
= 5kHz
–70
TOTAL INTEGRATED NOISE (µV
RMS
)
(THD + NOISE)/SIGNAL (dB)
(THD + NOISE)/SIGNAL (dB)
HS MODE,
3V
P-P
SIGNAL
HS MODE,
2V
P-P
SIGNAL
0 1 2 3 4 5 6 7 8 9 10
OUTPUT LOAD RESISTANCE—LOAD TO GROUND (kΩ)
1563 G19
THD + Noise vs Output Load
–70
–75
–80
–85
–90
–95
–100
HS MODE,
2V
P-P
SIGNAL
HS MODE,
5V
P-P
SIGNAL
LP MODE,
5V
P-P
SIGNAL
V
S
=
±
5V
f
C
= 25.6kHz
f
IN
= 5kHz
–70
–75
(THD + NOISE)/SIGNAL (dB)
(THD + NOISE)/SIGNAL (dB)
–85
–90
–95
2V
P-P
, 20kHz
5V
P-P
, 50kHz
GAIN (dB)
LP MODE,
2V
P-P
SIGNAL
0 1 2 3 4 5 6 7 8 9 10
OUTPUT LOAD RESISTANCE—LOAD TO GROUND (kΩ)
1563 G22
Crosstalk Rejection vs Frequency
–60
DUAL SECOND ORDER
BUTTERWORTH
f
C
= 25.6kHz
HS OR LP MODE
–70
CROSSTALK (dB)
–80
CROSSTALK (dB)
–90
–100
–110
1
10
FREQUENCY (kHz)
U W
THD + Noise vs Output Load
60
Output Voltage Noise vs Cutoff
Frequency
T
A
= 25°C
50
40
30
20
10
0k
0.1
LP MODE
–75
–80
–85
2V
P-P
, 50kHz
2V
P-P
, 20kHz
HS MODE
3V
P-P
, 50kHz
–90
–95
V
S
= SINGLE 5V
HIGH SPEED MODE
f
C
= 256kHz
f
IN
= 20kHz, 50kHz
3V
P-P
, 20kHz
–100
0 1 2 3 4 5 6 7 8 9 10
OUTPUT LOAD RESISTANCE—LOAD TO GROUND (kΩ)
1563 G20
1
10
f
C
(Hz)
100
1000
1563 G21
THD + Noise vs Output Load
10
0
–10
Stopband Gain vs Input Frequency
f
C
= 256kHz
2V
P-P
, 50kHz
–80
–20
–30
–40
–50
–60
–70
–80
–90
10k
100k
1M
10M
FREQUENCY (Hz)
100M
1563 G24
LTC1563-2
LTC1563-3
V
S
=
±
5V
HIGH SPEED MODE
f
C
= 256kHz
f
IN
= 20kHz, 50kHz
2V
P-P
, 20kHz
–100
0 1 2 3 4 5 6 7 8 9 10
OUTPUT LOAD RESISTANCE—LOAD TO GROUND (kΩ)
1563 G23
Crosstalk Rejection vs Frequency
–60
DUAL SECOND ORDER
BUTTERWORTH
f
C
= 256kHz
HIGH SPEED MODE
–70
–80
–90
–100
100
1563 G25
–110
1k
10k
100k
FREQUENCY (Hz)
1M
1563 G26
156323fa
7
LINER [ LINEAR TECHNOLOGY ]
