PTN3341
High speed differential line driver
Rev. 01 — 18 June 2001
Objective data
1. Description
The PTN3341 is a differential line driver that implements the electrical characteristics
of Low-Voltage Differential Signaling (LVDS) that meets or exceeds the requirements
of the ANSI TIA/EIA-644 Standard. LVDS is used to achieve higher data rates on
commonly used media. LVDS overcomes the limitations of achievable slew rates and
EMI restrictions of previous differential signaling techniques. The PTN3341 operates
at 3.3 volt supply levels and current mode output drivers. The output drivers will
deliver a minimum of 270 mV into a 50
Ω
load when enabled.
The intended application of this device is for point to point baseband transmission
rates over a controlled impedance media of approximately 100
Ω.
The maximum
rates and distance of data transfer are dependent upon the attenuation
characteristics of the media selected and the noise coupling to the environment.
The PTN3341 is designed to function over the full industrial temperature range of
−40
to +85
°C.
2. Features
c
c
s
Meets or exceeds the requirements of ANSI TIA/EIA-644 Standard
s
Low-Voltage Differential Signaling with output voltage of 350 mV across a 50
Ω
load or 700 mV across a 100
Ω
load
s
200 ps maximum channel-to-channel output skew
s
600 ps typical output voltage rise and fall times
s
Driver at high impedance when disabled or with V
CC
= 0 V
s
5 volt tolerant inputs with Low Voltage TTL (LVTTL) logic input levels
s
Pin-compatible with AM26LS31, SN65LVDS31, SN65LVDM31 and PTN3331.
3. Applications
s
Low voltage, low EMI, high speed differential signaling
s
Point-to-point high speed data transmission
s
High performance switches and routers
Philips Semiconductors
PTN3341
High speed differential line driver
4. Ordering information
Table 1:
Ordering information
Package
Name
PTN3341PW
PTN3341D
TSSOP16
SO16
Description
plastic thin shrink small outline package; 16 leads; body width 4.4 mm
plastic small outline package; 16 leads; body width 3.9 mm
Version
SOT403-1
SOT109-1
Type number
5. Pinning information
5.1 Pinning
1A
1Y
1Z
G
2Z
2Y
2A
GND
1
2
3
16 V
CC
15 4A
14 4Y
1A
1Y
1Z
G
2Z
2Y
2A
GND
1
2
3
16 V
CC
15 4A
14 4Y
PTN3341PW
PTN3341D
4
5
6
7
8
13 4Z
12 G
11 3Z
10 3Y
9
3A
4
5
6
7
8
13 4Z
12 G
11 3Z
10 3Y
9
3A
002aaa078
002aaa079
Fig 1. TSSOP16 pin configuration.
Fig 2. SO16 pin configuration.
5.2 Pin description
Table 2:
Symbol
1A
1Y
1Z
G
2Z
2Y
2A
GND
3A
3Y
3Z
G
4Z
Pin description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
Description
LVTTL input
LVDS non-inverting output
LVDS inverting output
Enable (active-HIGH)
LVDS inverting output
LVDS non-inverting output
LVTTL input
Ground
LVTTL input
LVDS non-inverting output
LVDS inverting output
Enable (active-LOW)
LVDS inverting output
939775008483
© Philips Electronics N.V. 2001. All rights reserved.
Objective data
Rev. 01 — 18 June 2001
2 of 16
Philips Semiconductors
PTN3341
High speed differential line driver
Pin description
…continued
Pin
14
15
16
Description
LVDS non-inverting output
LVTTL input
Supply
Table 2:
Symbol
4Y
4A
V
CC
6. Functional description
6.1 Function table
Table 3:
Input
A
H
L
H
L
X
Open
Open
[1]
Function table
Enables
G
H
H
X
X
L
H
X
G
X
X
L
L
H
X
L
Outputs
Y
H
L
H
L
Z
L
L
Z
L
H
L
H
Z
H
H
H = HIGH level; L = LOW level; X = irrelevant; Z = high impedance.
6.2 Functional diagram
PTN3341
G
G
1A
4
12
2
1
LVDS
3
1Y
1Z
6
2A
7
LVDS
5
2Y
2Z
10
3A
9
LVDS
11
3Y
3Z
14
4A
15
LVDS
13
4Y
4Z
002aaa077
Fig 3. Functional diagram.
939775008483
© Philips Electronics N.V. 2001. All rights reserved.
Objective data
Rev. 01 — 18 June 2001
3 of 16
Philips Semiconductors
PTN3341
High speed differential line driver
7. Limiting values
Table 4: Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
V
CC
V
I
T
amb
T
j
T
stg
Parameter
supply voltage
input voltage
short circuit duration
operating ambient temperature range
operating junction temperature
storage temperature range
ESD
[1]
Min
−0.5
−0.5
−40
−40
−65
>2
Max
4.0
6
+85
+150
+150
−
Unit
V
V
sec
°C
°C
°C
kV
Continuous
Values beyond absolute maximum ratings can cause the device to be prematurely damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
7.1 Recommended operating conditions
Table 5:
Symbol
V
CC
V
IH
V
IL
Recommended operating conditions
Parameter
supply voltage
HIGH-level input voltage
LOW-level input voltage
Min
3
2
−
Nom
3.3
−
−
Max
3.6
−
0.8
Unit
V
V
V
939775008483
© Philips Electronics N.V. 2001. All rights reserved.
Objective data
Rev. 01 — 18 June 2001
4 of 16
Philips Semiconductors
PTN3341
High speed differential line driver
8. Static characteristics
Table 6: DC electrical characteristics
Over recommended operating conditions, unless otherwise noted.
Symbol
V
OD
Parameter
differential output voltage
Conditions
R
L
= 100
Ω
See
Figure 4.
R
L
= 50
Ω
See
Figure 4.
∆V
OD
V
OC(SS)
∆V
OC(SS)
change in differential voltage
magnitude between logic states
Steady-state common-mode output
voltage
Change in steady-state
common-mode output voltage
between logic states
Peak-to-peak common-mode output
voltage
Supply current
V
I
= 0.8 or 2 V;
enabled, no load
V
I
= 0.8 or 2 V;
enabled, R
L
= 100
Ω
V
I
= 0.8 or 2 V;
enabled, R
L
= 50
Ω
V
I
= 0 V or V
CC
;
disabled
I
IH
I
IL
I
OS
I
OZ
I
O(OFF)
C
i
[1]
Min
540
270
−25
1.14
−30
Typ
[1]
700
350
0
1.2
−
Max
860
430
+25
1.3
+30
Unit
mV
mV
mV
V
mV
See
Figure 4.
V
OC(PP)
I
CC
−
−
−
−
−
−
−
−
−
−1
−1
−
70
9
35
t.b.d.
0.5
3
0.1
7
7
−
−
3
100
10
40
t.b.d.
0.7
10
10
10
10
+1
+1
−
mV
mA
mA
mA
mA
µA
µA
mA
mA
µA
µA
pF
HIGH-level input current
LOW-level input current
Output short circuit current
High-impedance output current
Power-off output current
Input capacitance
V
IH
= 3 V
V
IL
= 0 V
V
O(Y)
or V
O(Z)
= 0 V
V
OD
= 0 V
V
OD
= 0 V
V
CC
= 0 V; V
O
= 2.4 V
All typical values are at T
amb
= 25
°C
and V
CC
= 3.3 V.
939775008483
© Philips Electronics N.V. 2001. All rights reserved.
Objective data
Rev. 01 — 18 June 2001
5 of 16
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