SI3215 SILABS [Silicon Laboratories], SI3215 Datasheet - Page 110

• Manufacturer Part Number: SI3215
• Manufacturer: SILABS [Silicon Laboratories]

Si3215
6. Pin Descriptions: Si3201
110
2, 6, 9, 12
Pin #
10
13
14
15
16
11
Exposed Pad
1
3
4
5
7
8
Bottom-Side
SRINGE
IRINGN
IRINGP
VBATH
STIPE
Name
RING
VBAT
ITIPN
ITIPP
GND
VDD
TIP
NC
Output
Input/
I/O
I/O
—
—
—
—
—
—
O
O
I
I
I
I
Description
TIP Output —Connect to the TIP lead of the subscriber loop.
No Internal Connection —Do not connect to any electrical signal.
RING Output —Connect to the RING lead of the subscriber loop.
Operating Battery Voltage —Connect to the battery supply.
High Battery Voltage —This pin is internally connected to VBAT.
Ground —Connect to a low impedance ground plane.
Supply Voltage —Main power supply for all internal circuitry. Connect to a
3.3 V or 5 V supply. Decouple locally with a 0.1 µ F/6 V capacitor.
RING Emitter Sense Output —Connect to the SRINGE pin of the Si321x
pin.
TIP Emitter Sense Output —Connect to the STIPE pin of the Si321x pin.
Negative RING Current Control —Connect to the IRINGN lead of the
Si321x.
Positive RING Current Drive —Connect to the IRINGP lead of the Si321x.
Negative TIP Current Control —Connect to the ITIPN lead of the Si321x.
Positive TIP Current Control —Connect to the ITIPP lead of the Si321x.
Exposed Thermal Pad —Connect to the bulk ground plane.
VBATH
VBAT
RING
GND
VDD
TIP
NC
NC
1
2
3
4
5
6
7
8
Rev. 0.92
16
15
14
13
12
11
10
9
ITIPP
ITIPN
IRINGP
IRINGN
NC
STIPE
SRINGE
NC