Texas Instruments SLAU039, User Manual

Page: 44 / 66

Connecting the AD50-EVM to the DSK+
A-4
A.2 Connecting the AD50-EVM to the DSK+
The two boards are stacked together using plug and socket connectors. Four
pairs of connectors are needed, in JP2, JP3, JP4, and JP5.
The boards can be stacked either way round, although a slightly wider spacing
is needed if the AD50-EVM is on top of the DSK+, due to the height of the audio
jack connectors used on the DSK+. Suitable connectors that will allow the
boards to be stacked either way with a spacing of approximately 13 mm, can
be obtained from the following supplier.
Manufacturer Plug Socket
Samtec
Tel: 1-800-SAMTEC-9 (USA)
+44 1236 739292 (UK)
TSW-112-14-T-T SSW-112-21-G-T
In order to ensure that the connectors are properly aligned it is suggested that
the plugs and sockets be mated before being soldered to the boards. To allow
development work with the AD50-EVM it is suggested that the sockets be sol-
dered to the bottom of the AD50-EVM and the pins to the top of the DSK+. This
puts the AD50-EVM on top of the DSK+ and provides good access to the sig-
nals on the AD50-EVM
If two AD50-EVM boards are being used in conjunction with a DSK+, then a
different socket, with pass through pins, should be used on the middle board.
The Samtec part number is SSQ-112-24-G-T.
A.3 Parts List
Silk Screen
Name
Component
Silk Screen
Name
Component
LEFT TLC320AD50CDW OA6 TLC2272ACD
RIGHT TLC320AD50CDW Q1 BC848 SOT23
GAL1 CMOS 22V10 25 ns, PLCC Q2 BC848 SOT23
INV ICL7660 8 pin SO 10–24 MHZ 10.24 MHz 8-pin format TTL or CMOS
oscillator module
ON SM LED 2 mm
×
1.25 mm green R1 22K (all resistors 1% 0603)
L SM LED 2 mm
×
1.25 mm red R2 (2.2 k) 2K2
†
R SM LED 2 mm
×
1.25 mm red R3 22K
OA1 TLC2272ACD R4 10K
OA2 TLC2272ACD R5 10K
OA3 TLC2272ACD R6 10K
OA4 TLC2272ACD R7 10K
OA5 TLC2272ACD R8 10K
† British notation used in schematics A–4.