7
Rev: C Date:2/1/06 SP526 Multi–Mode Serial Transceiver © Copyright 2006 Sipex Corporation
Pins 14 — D0 — Transmitter and receiver
decode register; configures transmitter and re-
ceiver modes; TTL inputs.
Pin 15 — V
SS
— –10V Charge Pump Capacitor
— Connects from ground to V
SS
. Suggested
capacitor size is 1.0µF, 16V.
Pin 16 — C
2
–
— Charge Pump Capacitor —
Connects from C
2
+
to C
2
–
. Suggested capacitor
size is 1.0µF, 16V.
Pin 17 — C
1
–
— Charge Pump Capacitor —
Connects from C
1
+
to C
1
–
. Suggested capacitor
size is 1.0µF, 16V.
Pin 18 — GND — Ground.
Pin 19 — C
2
+
— Charge Pump Capacitor —
Connects from C
2
+
to C
2
–
. Suggested capacitor
size is 1.0µF, 16V.
Pin 20 — V
DD
— +10V Charge Pump Capacitor
— Connects from V
DD
to V
CC
. Suggested
capacitor size is 1.0µF, 16V.
Pin 21 — C
1
+
— Charge Pump Capacitor —
Connects from C
1
+
to C
1
–
. Suggested capacitor
size is 1.0µF, 16V.
Pin 22 — V
CC
— +5V input.
Pin 23 — GND — Ground.
Pin 24 — T1OUTB — Analog Out — Send
data, non-inverted; sourced from TIN1.
Pin 25 — T1OUTA — Analog Out — Send
data, inverted; sourced from TIN1.
Pin 26 — T2OUTB — Analog Out — Send
data, non-inverted; sourced from TIN2.
Pin 27 — T2OUTA — Analog Out — Send
data, inverted; sourced from TIN2.
Pin 28 — T3OUTB — Analog Out — Send
data, non-inverted; sourced from TIN3.
Pin 29 — T3OUTA — Analog Out — Send
data, inverted; sourced from TIN3.
Pin 30 — T4OUT — Analog Out — Send data,
inverted; sourced from TIN4.
Pin 31 — V
CC
— +5V input.
Pin 32 — R4OUT — TTL output; sourced from
RINA4 and RINB4 inputs.
Pin 33 — R3OUT — TTL output; sourced from
RINA3 and RINB3 inputs.
Pin 34 — R2OUT — TTL output; sourced from
RINA2 and RINB2 inputs.
Pin 35 — R1OUT — TTL output; sourced from
RINA1 and RINB1 inputs.
Pin 36 — R4INB — Non-inverted analog input
to receiver 4.
Pin 37 — R4INA — Inverted analog input to
receiver 4.
Pin 38 — R3INB — Non-inverted analog input
to receiver 3.
Pin 39— R3INA — Inverted analog input to
receiver 3.
Pin 40 — R2INB — Non-inverted analog input
to receiver 2.
Pin 41 — R2INA — Inverted analog input to
receiver 2.
Pin 42 — R1INB — Non-inverted analog input
to receiver 1.
Pin 43 — R1INA — Inverted analog input to
receiver 1.
Pin 44 — GND — Ground.
