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Identify alternative parts for this part with similar functionality, pin configurations, and electrical characteristics. Include key differences and trade-offs.

ADKEY2
GND
RX
ADKEY1
USB-
USB+
DAC_R
SPK1
VCC
IO1
IO2
TX
BUSY
SPK2
DAC_L
GND
Name
Pin #
Type
Part Type
Terminal Order
Terminal Type
VCC
1
Unspecified
Terminal
powerIn
RX
2
Unspecified
Terminal
INPUT
TX
3
Unspecified
Terminal
output
DAC_R
4
Unspecified
Terminal
output
DAC_L
5
Unspecified
Terminal
output
SPK1
6
Unspecified
Terminal
passive
GND
7
Unspecified
Terminal
powerIn
SPK2
8
Unspecified
Terminal
passive
IO1
9
Unspecified
Terminal
bidi
GND
10
Unspecified
Terminal
powerIn
IO2
11
Unspecified
Terminal
bidi
ADKEY1
12
Unspecified
Terminal
INPUT
ADKEY2
13
Unspecified
Terminal
INPUT
USB+
14
Unspecified
Terminal
INPUT
USB-
15
Unspecified
Terminal
INPUT
BUSY
16
Unspecified
Terminal
INPUT

DFR0299