TDA9861 Просмотр технического описания (PDF) - Philips Electronics

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производитель

TDA9861

Universal HiFi audio processor for TV

Philips Electronics 

Philips Semiconductors

Universal HiFi audio processor for TV

Preliminary specification

TDA9861

SYMBOL

PARAMETER

VN(W)

weighted noise voltage at output

(quasi-peak level)

for +15 dB gain

for 0 dB gain

for −40 dB gain

for mute position

B

AF bandwidth

CONDITIONS

CCIR468-3

Gv = −80 dB

−1 dB

THD

αsp

total harmonic distortion

for Vi = 0.2 V (RMS value)

for Vi = 1 V (RMS value)

for Vi = 2 V (RMS value)

stereo channel separation

αbus

RR100

crosstalk of I2C-bus

ripple rejection with 100 Hz ripple on

VP

f = 20 to 12500 Hz

Gv = −30 to + 15 dB

Gv = −30 to 0 dB

Gv = −30 to −6 dB

f = 10 kHz; Gv = 0 dB;

opposite input grounded

by 1 kΩ resistor

Gv = 0 dB; note 1

Gv = 0 dB;

VR < 200 mV RMS

HEADPHONE CHANNEL (controlled via I2C-bus, Table 3)

Volume control headphone channel

f = 1 kHz, 36 steps

Gv

nominal volume control

minimum volume control

gain in mute position

∆Gv

step width (resolution)

gain set error

∆V13, 20 DC offset voltage

Gv = −36 to +16 dB

Gv = −54 to −36 dB

Gv = −36 to +16 dB

Gv = −54 to +36 dB

for adjoining step and

any step to mute

Gv = 0 to +16 dB/mute

Gv = −54 to 0 dB/mute

Headphone channel output (pins 13 and 20)

Vo

maximum output signal (RMS value)

THD ≤ 0.5%; RL > 10 kΩ;

CL < 1.5 nF

Ro

output resistance

RL

allowed output load resistor

CL

allowed output load capacitor

MIN.

−

−

−

−

−

−

−

−

−

−

−

−54

−51

−80

1.5

1

−

−

−

−

2

−

10

−

TYP.

102

32

27

20

20 to

20000

0.1

0.1

0.1

75

100

55

−

−

−85

2

2

−

−

2

0.5

−

−

−

−

MAX. UNIT

−

µV

−

µV

−

µV

−

µV

−

Hz

0.3 %

0.3 %

0.3 %

−

dB

−

dB

−

dB

+16 dB

−1

dB

−

dB

2.5 dB

3

dB

1

dB

3

dB

15

mV

10

mV

−

V

100 Ω

−

kΩ

1.5 nF

June 1994

8

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