Datasheet
LMH0346
SNLS248J –APRIL 2007–REVISED APRIL 2013
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PIN DESCRIPTIONS
HTSSOP WQFN
Name Description
Pin Pin
1 24 LF1 Loop Filter.
2 1 LF2 Loop Filter.
3 2 RATE 0 Data Rate select input. This pin has an internal pulldown.
4 3 RATE 1 Data Rate select input. This pin has an internal pulldown.
5 4 SDI Data Input True.
6 5 SDI Data Input Complement.
7 6 V
CC
Positive power supply.
Bypass/Auto Bypass mode select. Bypasses reclocking when high. This
8 7 BYPASS/AUTO BYPASS
pin has an internal pulldown.
Data and Clock Output Mute Input. Mutes the output when low. This pin
9 8 OUTPUT MUTE
has an internal pullup.
10 9 XTAL IN/EXT CLK Crystal or External Oscillator Input.
11 12 XTAL OUT Crystal Oscillator Output.
12 13 LOCK DETECT PLL Lock Detect Output (active high).
13 14 SCO/SDO2 Serial Clock or Serial Data Output 2 Complement.
14 15 SCO/SDO2 Serial Clock or Serial Data Output 2 True.
15 16 V
CCO
Positive power supply (Output Driver).
16 17 SDO Data Output Complement.
17 18 SDO Data Output True.
18 19 V
CCO
Positive power supply (Output Driver).
19 20 SD/HD Data Rate Range Output. Output is high for SD and low for HD or 3G.
Serial Clock or Serial Data 2 Output select. Sets second output to output
20 21 SCO_EN the clock when high and the data when low. This pin has an internal
pulldown.
— 10, 11, 23 V
EE
Negative power supply.
— 22 RSVD Reserved for future use. Do not connect.
DAP DAP V
EE
Connect exposed DAP to negative power supply (ground).
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
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