LTC1564 LINER [Linear Technology], LTC1564 Datasheet - Page 4

• Manufacturer Part Number: LTC1564
• Description: 10kHz to 150kHz Digitally Controlled Antialiasing Filter and 4-Bit P.G.A
• Manufacturer: LINER [Linear Technology]

LTC1564
TYPICAL PERFOR A CE CHARACTERISTICS
4
–100
–110
–120
–130
–140
–40
–50
–60
–70
–80
–90
15
Triangular-Wave Time Response
Detail of Stopband Response
25
FREQUENCY (kHz)
–0.25
–0.75
–1.50
–0.50
–1.00
–1.25
INPUT
35
200 s/DIV
OUTPUT
0
10
Passband Roll-Off at f
vs f
V
T
A
S
45
= SINGLE 5V
= 25 C
C
30
f
f
UNITY GAIN
V
C
IN
W
S
f
V
T
50
= 10kHz
C
55
A
= 1kHz
= 5V
S
= 10kHz
= 5V
= 25 C
1564 G09
1564 G05
70
U
f
C
(kHz)
65
90
IN
110
= f
140
130
120
110
100
90
80
70
60
50
40
30
20
10
C
0
0.001
130
Rectangular Pulse Response
SNR vs Input Voltage
1564 G04
150
f
GAIN = 16
C
LIMIT FOR 10V TOTAL SUPPLY
LIMIT FOR 5V TOTAL SUPPLY
= 20kHz
0.01
INPUT VOLTAGE (V
f
C
GAIN = 16
= 100kHz
200 s/DIV
0.1
GAIN = 1
f
C
PASSBAND INPUT
(f
= 20kHz
IN
GAIN = 1
f
P-P
–10
–15
–20
–25
–30
–35
–40
–45
OUTPUT
< f
C
INPUT
–5
= 100kHz
C
5
0
f
UNITY GAIN
V
)
C
1
)
S
Passband Gain, Phase
and Group Delay
2
= 10kHz
= 5V
f
C
= 10kHz
1564 G07
1564 G10
4
10
GROUP DELAY
FREQUENCY (kHz)
6
GAIN
–100
–20
–30
–40
–50
–60
–70
–80
–90
0.001
8
THD + Noise vs Input Voltage
(f
Short-Pulse Response
f
f
PHASE
C
C
IN
= 10kHz
= 10kHz)
= 1kHz
INPUT, 1V/DIV (PULSE WIDTH 10 s)
10
0.01
INPUT VOLTAGE (V
OUTPUT, 100mV/DIV
1546 G06
12
100 s/DIV
90
0
–90
–180
–270
–360
–450
–540
–630
–720
–810
0.1
5V SUPPLY
5V SUPPLY
3V SUPPLY
500
450
400
350
300
250
200
150
100
50
0
P-P
f
UNITY GAIN
V
)
C
1
S
= 10kHz
= 5V
1564 G08
1564 G11
10