UPC1892 datasheet(17/42 Pages) NEC

17 / 42 page

µPC1892

Electrical Characteristics Measurement List (Supplement) (at TA = 25

°C, RH ≤ 70 %, VCC = 12 V)

Recommended Operating Conditions

Parameter

Symbol

Conditions

Surround

mode

VOL

BAL

TRE

BAS

L+R

EFF

Input signal level 1

VIN1

Input level when distortion factor of

OFF

5.0

2.5

–

LOUT (Pin 14) is 1 %,

LIN (Pin 25) : f = 1 kHz

Input level when distortion factor of

ROUT (Pin 12) is 1 %,

RIN (Pin 26) : f = 1 kHz

Input signal level 2

VIN2

Input level when distortion factor of

OFF

––––

5.0

–

L+ROUT (Pin 13) is 1 %,

LIN, RIN (Pin 25, 26) : f = 1 kHz

Note 1. OFF: OFF mode

2. VOL: Volume control voltage, BAL: Balance control voltage, TRE: Treble control voltage, BAS: Bass control voltage,

L+R: L+R volume control voltage, EFF: Effect control voltage, –: Undefined

Electrical characteristics measurement: General

Parameter

Symbol

Test conditions

Surround

mode

VOL

BAL

TRE

BAS

L+R

EFF

Supply current

ICC

Current flowing to VCC (Pin 1)

OFF

5.0

2.5

5.0

2.5

No signal

Distortion factor

T.H.D.

L-channel

OFF

5.0

2.5

–

Distortion factor of LOUT (Pin 14)

LIN (Pin 25) : f = 1 kHz, VIN = 0.5 Vr.m.s.

R-channel

Distortion factor of ROUT (Pin 12)

RIN (Pin 26) : f = 1 kHz, VIN = 0.5 Vr.m.s.

L+R distortion factor

T.H.D.

L+R-channel

OFF

––––

5.0

–

(L+R)

Distortion factor of L+ROUT (Pin 13)

LIN (Pin 25), RIN (Pin 26) :

f = 1 kHz, VIN = 0.5 Vr.m.s.

Note 1. OFF: OFF mode

2. VOL: Volume control voltage, BAL: Balance control voltage, TRE: Treble control voltage, BAS: Bass control voltage,

L+R: L+R volume control voltage, EFF: Effect control voltage, –: Undefined

Note 1

Control pin voltage (V) Note 2

Note 1

Control pin voltage (V) Note 2

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