LTC1520CS Linear Technology, LTC1520CS Datasheet - Page 5

• Manufacturer Part Number: LTC1520CS
• Description: IC LINE RCVR HI-SPD QUAD 16-SOIC
• Manufacturer: Linear Technology
• Type: Line Receiverr

Specifications of LTC1520CS

• Number Of Drivers/receivers: 0/4
• Protocol: LVDS
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

SWITCHI G TI E WAVEFOR S
ENABLE
EQUIVALE T I PUT NETWORKS
OUT 1
OUT 1
RECEIVER
OUTPUT
V
V
3V
0V
5V
OH
0V
OL
Figure 2. Receiver Enable and Disable Timing
Test Circuit and Waveforms
OUTPUT
INPUT
U
1.5V
t
t
C
ZL
ZH
U U
L
t
PLH
1k
W
1.5V
1.5V
S1
S2
2.5V
NORMALLY HIGH
NORMALLY LOW
V
DD
A
B
OUTPUT
OUTPUT
/2
1k
Figure 1. Propagation Delay Test Circuit and Waveforms
3V
RECEIVER ENABLED, V
18k
18k
V
DD
t
PHL
2.5V
Figure 5. Input Thevenin Equivalent
1.5V
t
t
HZ
LZ
W
3.3V
3.3V
V
DD
/2
DD
0.2V
0.2V
1520 F02
= 5V
2V
A
B
V
1520 F01
ID
PACKAGE 1
PACKAGE 2
CH2 OUT
CH1 OUT
Figure 3. Any Channel to Any Channel Skew, Same Package
= 500mV
A1, A2
INPUT
INPUT
A1, B1
OUT 1
OUT 1
RECEIVER DISABLED OR V
Figure 4. Package-to-Package Propagation Delay Skew
SAME INPUT FOR BOTH PACKAGES
18k
18k
INPUT
2.5V
t
CH-CH
B1, B2 = 2.5V
DD
3V
1520 F05
= 0V
1/4 LTC1520
–
+
V
DD
t
PKG-PKG
/2
V
DD
/2
15pF
t
1520 F01b
CH-CH
OUTPUT
LTC1520
V
DD
/2
2V
V
t
DD
PKG-PKG
/2
1520 F03
5
1520 F04