LM49321RLSLASHNOPB datasheet(8/45 Pages) TI1

8 / 45 page

LM49321, LM49321RLEVAL

SNAS457C – SEPTEMBER 2008 – REVISED MAY 2013

www.ti.com

Volume Control Electrical Characteristics

(1) (2)

The following specifications apply for 3.0V

≤ AVDD ≤ 5.0V and 2.7V ≤ DVDD ≤ 4.0V, unless otherwise specified. Limits apply

for TA = 25°C.

LM49321

Units

Parameter

Test Conditions

(Limits)

Typ(3)

Limits(4)

–7

dB (min)

Minimum gain setting

–6

–5

dB (max)

Stereo Analog Inputs Pre-Amp Gain

Setting Range

15.5

dB (max)

Maximum gain setting

14.5

dB (min)

PGR

–13

dB (min)

Minimum gain setting

–12

–11

dB (max)

Differential Mono Analog Input Pre-

Amp Gain Setting Range

9.5

dB (max)

Maximum gain setting

8.5

dB (min)

–59

dB (min)

Minimum gain setting

–56

Output Volume Control for

–53

dB (max)

VCR

Loudspeaker, Headphone Output, or

4.5

dB (min)

Earpiece Output

Maximum gain setting

5.5

dB (max)

Stereo Channel to Channel Gain

ΔACH-CH

0.3

Mismatch

VIN = 1VRMS, Gain = 0dB

AMUTE

Mute Attenuation

–90

with load, Headphone

Ω (min)

DIFF+, DIFF-, LIN and RIN Input

RINPUT

Impedance

Ω (max)

(1)

Absolute Maximum Ratings indicate limits beyond which damage to the device may occur, including inoperability and degradation of

device reliability and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or

other conditions beyond those indicated in the Recommended Operating Conditions is not implied. The Recommended Operating

Conditions indicate conditions at which the device is functional and the device should not be operated beyond such conditions. All

voltages are measured with respect to the ground pin, unless otherwise specified.

(2)

The Electrical Characteristics tables list specified specifications under the listed Recommended Operating Conditions except as

otherwise modified or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and

are not ensured.

(3)

Typical values represent most likely parametric norms at TA = +25ºC, and at the Recommended Operation Conditions at the time of

product characterization and are not ensured.

(4)

Datasheet min/max specification limits are ensured by test or statistical analysis.

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