LT1319 Linear Technology, LT1319 Datasheet - Page 5

• Manufacturer Part Number: LT1319
• Description: Multiple Modulation Standard Infrared Receiver
• Manufacturer: Linear Technology

BLOCK DIAGRA
NOTE: EXTERNAL COMPONENTS ARE SHOWN FOR AN IRDA AND SHARP/NEWTON DATA RECEIVER.
+
+
R
2k
PHOTO-
DIODE
F2
C
100pF
C
10nF
F1
F3
IPD
AN_GND
+
R
1k
FILT1
F1
IN
C
1nF
1
2
3
F2
R
+
10k
L1
+
2.2nF
1
C
1 F
C
V
B4
F4
BIAS
–
+
PREAMP
+
L
100 H
F1
DS2
DS1
R
15k
PREOUT
FILTINL
FILT2L
FB
FILTIN
V
GM1
g
4k
BIAS
m
4
5
6
7
8
W
+
–
–
–
+
+
BUFFER
BUFFER
FILTER
FILTER
A1
A4
V
V
BIAS
BIAS
R
R
R
R
1k
1k
1k
1k
G1
G2
G3
G4
R
10k
R
10k
L2
L3
+
–
+
–
A
A
V
V
A2
A5
= 20
= 20
V
Q4
REG
+
+
1
1
Q3
R
1k
S6
+
–
+
–
A
A
V
V
A3
A6
= 20
= 20
g
g
4k
GM2
GM3
4k
R
20k
m
m
S5
+
–
+
–
Q2
Q1
500
R
R
20k
500
500
500
R
R
R
C1
S4
C2
C3
C4
R
20k
R
20k
R
20k
S3
S2
S1
–
–
+
+
COMP 1
COMP 2
HIGH FREQUENCY
LOW FREQUENCY
GEN
COMPARATOR
V
COMPARATOR
BYPASS
SHDN
R
TH
50k
R
50k
V
16
15
14
H1
H2
CC
R
2k
SC
+
DIG_GND
LT1319 • BD
DATAL
DATA
FILT2
LT1319
C
0.1 F
V
12
10
13
11
B1
9
TH
5V
5V
+
+
+
+
R
30k
5
C
1 F
T1
C
10 F
C
10 F
C
1 F
F5
B3
B2
T1