LMH6523 Datasheet, PDF (6/31 Pages) Texas Instruments – High Performance Quad DVGA

LMH6523
SNOSC88 – DECEMBER 2012
www.ti.com
GND 1
INA+ 2
INA- 3
GND 4
MODE 5
GND 6
INB+ 7
INB- 8
GND 9
GND 10
INC+ 11
INC- 12
GND 13
GND 14
GND 15
IND+ 16
IND- 17
GND 18
Top View
10 mm x 5.5 mm x 0.8 mm
0.5 mm pitch
ThetaJA = 24ºC/W
GND
45 _A4/SDO
44 _OUTA+
43 OUTA-
42 +5VA
41 ENBA
40 +5VB
39 OUTB+
38 OUTB-
37 ENBB
36 ENBC
35 OUTC+
34 OUTC-
33 +5VC
32 ENBD
31 +5VD
30 OUTD+
29 OUTD-
28 D4
SVA-30206503
Figure 1. 54-Pin WQFN Connection Diagram, (Top View)
Table 1. PIN FUNCTIONS
PIN NUMBER
SYMBOL
PIN CATEGORY
DESCRIPTION
Analog I/O
2, 3
INA+, INA –
Analog Input
Differential inputs channel A
44, 43
OUTA+, OUTA-
Analog Output Differential outputs Channel A
7, 8
INB+, INB–
Analog Input
Differential inputs channel B
39, 38
OUTB+, OUTB–
Analog Output Differential outputs Channel B
11, 12
INC+, INC–
Analog Input
Differential inputs channel C
35, 34
OUTC+, OUTC–
Analog Output Differential outputs Channel C
16, 17
IND+, IND–
Analog Input
Differential inputs channel D
30, 29
OUTD+, OUTD–
Analog Output Differential outputs Channel D
Power
1, 4, 6, 9, 10, GND
13, 14, 15, 18
Ground
Ground pins. Connect to low impedance ground plane. All pin voltages are
specified with respect to the voltage on these pins. The exposed thermal pad
is internally bonded to the ground pins.
31, 33, 40, 42 +5VD, +5VC, +5VB, Power
+5VA
Power supply pins. Valid power supply range is 4.75V to 5.25V.
Exposed Center
Pad
Thermal/ Ground Thermal management/ Ground
Digital Inputs
5
MODE
Digital Input
0 = Parallel Mode, 1 = Serial Mode
Enable Pins (active in both parallel and serial modes)
41
ENBA
Digital Input
Channel A enable pin
37
ENBB
Digital Input
Channel B enable pin: pin has three states: Low, Mid, High
36
ENBC
Digital Input
Channel C enable pin
6
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