Specifications

Si3216
Rev. 1.0 111
Not Recommended
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5 9 SDCL DC Monitor.
DC-DC converter monitor input used to detect overcurrent situations in the con-
verter.
610VDDA1
Analog Supply Voltage.
Analog power supply for internal analog circuitry.
711IREF
Current Reference.
Connects to an external resistor used to provide a high accuracy reference current.
8 12 CAPP
SLIC Stabilization Capacitor.
Capacitor used in low pass filter to stabilize SLIC feedback loops.
913QGND
Component Reference Ground.
10 14 CAPM SLIC Stabilization Capacitor.
Capacitor used in low pass filter to stabilize SLIC feedback loops.
11 15 STIPDC
TIP Sense.
Analog current input used to sense voltage on the TIP lead.
12 16 SRINGDC
RING Sense.
Analog current input used to sense voltage on the RING lead.
13 17 STIPE
TIP Emitter Sense.
Analog current input used to sense voltage on the Q6 emitter lead.
14 18 SVBAT
VBAT Sense.
Analog current input used to sense voltage on dc-dc converter output voltage lead.
15 19 SRINGE
RING Emitter Sense.
Analog current input used to sense voltage on the Q5 emitter lead.
16 20 STIPAC
TIP Transmit Input.
Analog ac input used to detect voltage on the TIP lead.
17 21 SRINGAC
RING Transmit Input.
Analog ac input used to detect voltage on the RING lead.
18 22 IGMN
Transconductance Amplifier External Resistor.
Negative connection for transconductance gain setting resistor.
19 23 GNDA
Analog Ground.
Ground connection for internal analog circuitry.
20 24 IGMP
Transconductance Amplifier External Resistor.
Positive connection for transconductance gain setting resistor.
21 25 IRINGN
Negative Ring Current Control.
Analog current output driving Q3.
22 26 IRINGP
Positive Ring Current Control.
Analog current output driving Q2.
23 27 VDDA2
Analog Supply Voltage.
Analog power supply for internal analog circuitry.
Pin #
QFN
Pin #
TSSOP
Name Description