Datasheet

7
LTC1563-2/LTC1563-3
156323fa
THD + Noise vs Output Load THD + Noise vs Output Load
Output Voltage Noise vs Cutoff
Frequency
THD + Noise vs Output Load
THD + Noise vs Output Load
Stopband Gain vs Input Frequency
Crosstalk Rejection vs Frequency
Crosstalk Rejection vs Frequency
OUTPUT LOAD RESISTANCE—LOAD TO GROUND (kΩ)
012345678910
(THD + NOISE)/SIGNAL (dB)
1563 G19
–70
–75
–80
–85
–90
–95
–100
LP MODE,
3V
P-P
SIGNAL
LP MODE,
2V
P-P
SIGNAL
HS MODE,
3V
P-P
SIGNAL
HS MODE,
2V
P-P
SIGNAL
V
S
= SINGLE 5V
f
C
= 25.6kHz
f
IN
= 5kHz
OUTPUT LOAD RESISTANCE—LOAD TO GROUND (kΩ)
012345678910
(THD + NOISE)/SIGNAL (dB)
1563 G20
–70
–75
–80
–85
–90
–95
–100
V
S
= SINGLE 5V
HIGH SPEED MODE
f
C
= 256kHz
f
IN
= 20kHz, 50kHz
3V
P-P
, 20kHz3V
P-P
, 50kHz
2V
P-P
, 50kHz 2V
P-P
, 20kHz
f
C
(Hz)
TOTAL INTEGRATED NOISE (µV
RMS
)
60
50
40
30
20
10
0k
0.1 10 100 1000
1563 G21
1
T
A
= 25°C
HS MODE
LP MODE
OUTPUT LOAD RESISTANCE—LOAD TO GROUND (kΩ)
012345678910
(THD + NOISE)/SIGNAL (dB)
1563 G22
–70
–75
–80
–85
–90
–95
–100
LP MODE,
5V
P-P
SIGNAL
LP MODE,
2V
P-P
SIGNAL
HS MODE,
5V
P-P
SIGNAL
HS MODE,
2V
P-P
SIGNAL
V
S
= ± 5V
f
C
= 25.6kHz
f
IN
= 5kHz
–70
–75
–80
–85
–90
–95
–100
OUTPUT LOAD RESISTANCE—LOAD TO GROUND (kΩ)
012345678910
(THD + NOISE)/SIGNAL (dB)
1563 G23
5V
P-P
, 50kHz
2V
P-P
, 20kHz
2V
P-P
, 20kHz
2V
P-P
, 50kHz
V
S
= ± 5V
HIGH SPEED MODE
f
C
= 256kHz
f
IN
= 20kHz, 50kHz
FREQUENCY (kHz)
1
CROSSTALK (dB)
–60
–70
–80
–90
–100
–110
10 100
1563 G25
DUAL SECOND ORDER
BUTTERWORTH
f
C
= 25.6kHz
HS OR LP MODE
FREQUENCY (Hz)
1k 10k 100k 1M
1563 G26
CROSSTALK (dB)
–60
–70
–80
–90
–100
–110
DUAL SECOND ORDER
BUTTERWORTH
f
C
= 256kHz
HIGH SPEED MODE
FREQUENCY (Hz)
GAIN (dB)
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
10k 1M 10M 100M
1563 G24
100k
LTC1563-3LTC1563-2
f
C
= 256kHz
TYPICAL PERFOR A CE CHARACTERISTICS
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