UDA1345TS 查看數據表（PDF） - NXP Semiconductors.

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UDA1345TS

Economy audio CODEC

NXP Semiconductors. 

NXP Semiconductors

Economy audio CODEC

Product specification

UDA1345TS

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Ci

input capacitance

Digital-to-analog converter

−

20

−

pF

Vref(D)

Ro(ref)

Ro

Io(max)

RL

CL

reference voltage

with respect to VSSA 0.45VDDA 0.5VDD 0.55VDDA V

Vref(D) reference output resistance

DAC output resistance

A

−

12.5 −

kΩ

−

0.13 3.0

Ω

maximum output current

(THD + N)/S < 0.1%; −

1.7

−

mA

load resistance

RL = 800 Ω

3

−

−

kΩ

load capacitance

note 2

−

−

200

pF

Notes

1. All power supply pins (VDD and VSS) must be connected to the same external power supply unit.

2. When higher capacitive loads must be driven then a 100 Ω resistor must be connected in series with the DAC output

in order to prevent oscillations in the output operational amplifier.

2002 May 28

19

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