SI3215 datasheet(13/118 Pages) SILABS

13 / 118 page

Si3215

Rev. 0.92

Table 8. Power Supply Characteristics

(VDDA, VDDD = 3.13 V to 5.25 V, TA = 0 to 70 °C for K-Grade, –40 to 85 °C for B-Grade)

Parameter

Symbol

Test Condition

Typ1

Typ2

Max

Unit

Power Supply Current,

Analog and Digital

IA + ID

Sleep (RESET = 0)

0.1

0.13

0.3

Open

42.8

Active on-hook

ETBO = 4 mA, codec and Gm

amplifier powered down

Active OHT

ETBO = 4 mA

Active off-hook

ETBA = 4 mA, ILIM = 20 mA

Ground-start

Ringing

Sinewave, REN = 1, VPK = 56 V

VDD Supply Current (Si3201)

IVDD

Sleep mode, RESET = 0

—

100

—

µA

Open (high impedance)

—

100

—

µA

Active on-hook standby

—

110

—

µA

Forward/reverse active off-hook, no

ILOOP, ETBO = 4 mA, VBAT =–24 V

—1—

Forward/reverse OHT, ETBO = 4 mA,

VBAT =–70 V

—1—

VBAT Supply Current3

IBAT

Sleep (RESET =0)

—

Open (DCOF = 1)

—

Active on-hook

VOC = 48 V, ETBO = 4 mA

—

Active OHT

ETBO = 4 mA

—

Active off-hook

ETBA = 4 mA, ILIM =20mA

—

Ground-start

—

Ringing

VPK_RING =56 VPK,

sinewave ringing, REN = 1

—5.5

—

VBAT Supply Slew Rate

When using Si3201

—

µs

Notes:

1. VDDD, VDDA =3.3 V.

2. VDDD, VDDA =5.25V.

3. IBAT = current from VBAT (the large negative supply). For a switched-mode power supply regulator efficiency of 71%,

the user can calculate the regulator current consumption as IBAT x VBAT/(0.71 x VDC).

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