LM4851 datasheet(4/22 Pages) NSC

4 / 22 page

Electrical Characteristics (Notes 2, 8) (Continued)

The following specifications apply for V

DD= 5.0V, TA= 25˚C unless otherwise specified.

Symbol

Parameter

Conditions

LM4851

Units

(Limits)

Typical

(Note 5)

Limit

(Note 6)

Digital Volume Range (R

IN and

IN)

Input referred minimum gain

Input referred maximum gain

-40.5

Digital Volume Stepsize

1.5

Stepsize Error

±0.5

Phone In Volume

BTL gain from

Phone In to SPKR

OUT

6dB

Phone In Volume

BTL gain from

Phone In to R

OUT,LOUT

0dB

Phone In Input Impedance

Ω (min)

Ω (max)

IN and LIN

37.5

62.5

Ω (min)

Ω (max)

Enable Setup Time (ENB)

ns (min)

Enable Hold Time (ENB)

ns (min)

Enable Low Time (ENB)

ns (min)

Data Setup Time (DATA)

ns (min)

Data Hold Time (DATA)

ns (min)

Clock Setup Time (CLK)

ns (min)

Clock Logic High Time (CLK)

ns (min)

Clock Logic Low Time (CLK)

ns (min)

CLK

Clock Frequency

(min)

MHz (max)

Electrical Characteristics (Notes 2, 8)

The following specifications apply for V

DD= 3.0V, TA= 25˚C unless otherwise specified.

Symbol

Parameter

Conditions

LM4851

Units

(Limits)

Typical

(Note 5)

Limit

(Note 6)

Supply Current

Output mode 7

IN = 0V; IO =0A

6.2

mA (max)

Output modes 1, 2, 3, 4, 5, 6

IN = 0V; IO =0A

4.0

7.0

mA (max)

Shutdown Current

Output mode 0

0.1

µA (max)

Output Offset Voltage

IN = 0V

5.0

mV (max)

Output Power

SPKR

OUT;RL =4

Ω

THD+N = 1%; f = 1kHz

LM4851LQ

430

SPKR

OUT;RL =8

Ω

THD+N = 1%; f = 1kHz

340

300

mW (min)

OUT and LOUT;RL =32

Ω

THD+N = 0.5%; f = 1kHz

mW (min)

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