LMH0040SQE National Semiconductor, LMH0040SQE Datasheet - Page 2

• Manufacturer Part Number: LMH0040SQE
• Description: HD/SD/DVB-ASI SDI SERIALIZER, 48LLP
• Manufacturer: National Semiconductor

Specifications of LMH0040SQE

• Supply Voltage Range: 2.375V To 2.625V, 3.135V To 3.465V
• Digital Ic Case Style: LLP
• No. Of Pins: 48
• Operating Temperature Range: -40°C To +85°C
• Svhc: No SVHC (15-Dec-2010)
• Operating Temperature: RoHS Compliant
• Base Number: 40
• Rohs Compliant: Yes

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Pin Descriptions
Pin Name
LVDS Input Interface
TX[4:0]+
TX[4:0]-
TXCLK+
TXCLK-
Serial Output Interface
TXOUT+
TXOUT-
SMBus Interface
SDA
SCK
SMB_CS
Control and Configuration Pins
RESET
LOCK
DVB_ASI
GPIO[2:0]
RSVD_H
Analog Inputs
R
LF_CP
LF_REF
DNC
Power Supply and Ground
V
V
V
GND
SET
DD3V3
DDPLL
DD2V5
LMH0340
LMH0040
LMH0070
LMH0050
Device
SMPTE 424M
Support (3G)
Type
Input, LVDS
Input, LVDS
Output, CML
Output, CML
I/O, LVCMOS
Input, LVCMOS
Input, LVCMOS
Input, LVCMOS
Output, LVCMOS
Input, LVCMOS
I/O, LVCMOS
Input, LVCMOS
Input, analog
Input, analog
Input, analog
Power
Power
Power
Ground
X
SMPTE 292M
Support (HD)
Description
LVDS Data Input Pins
Five channel wide DDR interface. Internal 100Ω termination.
LVDS Clock Input Pins
DDR Interface. Internal 100Ω termination.
Serial Digital Interface Output Pin
Non-Inverting Output
Serial Digital Interface Output Pin
Inverting Output
SMBus Data I/O Pin
SMBus Clock Input Pin
SMBus Chip Select Input Pin
Device is selected when High.
Reset Input Pin
H = normal mode
L = device in RESET
PLL LOCK Status Output
H = unlock condition
L = Device is Locked
DVB_ASI Select Input
H = DVB_ASI Mode enabled
L = Normal Mode enabled
General Purpose Input / Output
Software configurable I/O pins.
Configuration Input – Must tie High
Pull High via 5 kΩ resistor to V
Serial Output Amplitude Control
Resistor connected from this pin to ground to set the signal amplitude. Nominally
8.06kΩ for 800mV output (SMPTE).
Loop Filter Connection
Loop Filter Reference
Do Not Connect – Leave Open
3.3V Power Supply connection
3.3V PLL Power Supply connection
2.5V Power Supply connection
Ground connection – The DAP (large center pad) is the primary GND connection
for the device and must be connected to Ground along with the GND pins.
X
X
X
TABLE 1. Feature Table
2
SMPTE 259M
Support (SD)
X
X
X
X
DD3V3
DVB-ASI
Support
X
X
X
X
SMPTE compliant
Cable Driver
X
X
X