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Cs8427, Dc electrical characteristics, Transmitter characteristics – Cirrus Logic CS8427 User Manual

Page 6

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CS8427

6

DS477F5

DC ELECTRICAL CHARACTERISTICS

AGND = DGND = 0 V; all voltages with respect to 0 V.

Notes: 3. Power Down Mode is defined as RST = LO with all clocks and data lines held static.

4. Normal operation is defined as RST = HI.

DIGITAL INPUT CHARACTERISTICS

DIGITAL INTERFACE SPECIFICATIONS

AGND = DGND = 0 V; all voltages with respect to 0 V.

Notes: 5. At 5.0 V mode, V

IL

= 0.8 V (Max), at 3.3 V mode, V

IL

=0.4 V (Max).

TRANSMITTER CHARACTERISTICS

Parameters

Symbol

Min

Typ

Max

Units

Power-down Mode

(Note 3)

Supply Current in power down

VA+

VL+ = 3.3 V
VL+ = 5.0 V

-
-
-

20
60
60

-
-
-

μA

μA

μA

Normal Operation

(Note 4)

Supply Current at 48 kHz frame rate

VA+

VL+ = 3.3 V
VL+ = 5.0 V

-
-
-

6.3

30.1
46.5

-
-
-

mA
mA
mA

Supply Current at 96 kHz frame rate

VA+

VL+ = 3.3 V
VL+ = 5.0 V

-
-
-

6.6

44.8
76.6

-
-
-

mA
mA
mA

Parameters

Symbol Min Typ

Max

Units

Input Leakage Current

I

in

-

±1

±10

μA

Differential Input Voltage, RXP0 to RXN

V

TH

-

200

-

mV

Parameters

Symbol Min Max

Units

High-Level Output Voltage (I

OH

= -3.2 mA), except TXP/TXN

V

OH

(VL+) - 1.0

-

V

Low-Level Output Voltage (I

OH

= 3.2 mA), except TXP/TXN

V

OL

-

0.4

V

High-Level Output Voltage, TXP, TXN

(23 mA at VL+ = 5.0 V)

(15.2 mA at VL+ = 3.3 V)

(VL+) - 0.7
(VL+) - 0.7

-
-

V
V

Low-Level Output Voltage, TXP, TXN

(23 mA at VL+ = 5.0 V)

(15.2 mA at VL+ = 3.3 V)

-
-

0.7
0.7

V
V

High-Level Input Voltage, except RXP, RXN

V

IH

2.0

(VL+) + 0.3

V

Low-Level Input Voltage, except RXP, RXN

(Note 5)

V

IL

-0.3

0.4/0.8

V

Parameters

Symbol Min Typ

Max

Units

TXP Output Resistance

VL+ = 5.0 V
VL+ = 3.3 V

R

TXP

-
-

26
40

-
-

Ω

Ω

TXN Output Resistance

VL+ = 5.0 V
VL+ = 3.3 V

R

TXN

-
-

26
40

-
-

Ω

Ω