lm96530sqx National Semiconductor Corporation, lm96530sqx Datasheet - Page 4

• Manufacturer Part Number: lm96530sqx
• Description: Lm96530 Ultrasound Transmit/receive Switch
• Manufacturer: National Semiconductor Corporation

www.national.com
TABLE 1. Pin Descriptions
SPI™ is a trademark of Motorola, Inc.
Pin No.
1, 3, 5, 7, 9, 11, 13,
15
45, 43, 41, 39, 37,
35, 33, 31
25
59
60
58
57
56
53
52
51
26, 27, 49, 50
28, 29, 47, 48
54
0, 17
2, 4, 6, 8, 10, 12,
14, 16, 55
All others
SW_OFF
n=0,...,7
SPI_EN
HVGND
AGND
Name
n=0,...
RREF
SCKO
SCSO
VSUB
OUTn
SCSI
SCKI
SDO
VDD
VSS
VLL
SDI
INn
Ground
Ground
Output
Output
Output
Output
Output
Power
Power
Power
Power
Type
Input
Input
Input
Input
Input
Input
Function and Connection
High-voltage input
Low-voltage output
External resistor to AGND. Used to set internal current sources.
R
R
R
R
1 = Switch all channels OFF
0 = Use SPI™ to control switch
1 = Enable the SPI™ Interface
0 = Disable the SPI™ Interface and presets SPI™ registers for all
switches ON.
SPI™ chip select input,
0 = Chip Select
SPI™ compatible clock input
SPI™ compatible data input
SPI™ compatible data buffered output
SPI™ compatible clock buffered output
SPI™ chip select buffered output
Positive analog supply voltage (+5V)
Negative analog supply voltage (-5V)
Logic voltage supply (+2.5 to 3.3V)
Negative high voltage supply (-65V)
High voltage reference potential (0V)
Analog and logic low voltage reference input, logic ground (0V)
REF
REF
REF
REF
= 6.25 kΩ
= 12.5 kΩ
= 25 kΩ
= 50 kΩ
4
→
→
→
→
I
I
S
S
I
I
= 2mA;
= 1mA
S
S
= 8mA;
= 4mA;