UPC1876 datasheet(32/42 Pages) RENESAS

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µPC1876

Data Sheet S11666EJ4V0DS00

(4/6)

Measurement

Input SAP signal (30% modulation, f = 300 Hz) to COM pin. Assume output voltage of

SOT pin “V300(SAP)”.

Input SAP signal (30% modulation, f = 3 kHz) to COM pin. Assume output voltage of

SOT pin “V3k(SAP)”.

VOSAP22 = 20 log

V3k(SAP)

V300(SAP)

(Noise reduction OFF)

Input SAP signal (30% modulation, f = 300 Hz) to COM pin. Assume output voltage of

SOT pin “V300(SAP)”.

Input SAP signal (30% modulation, f = 8 kHz) to COM pin. Assume output voltage of

SOT pin “V8k(SAP)”.

VOSAP23 = 20 log

V8k(SAP)

V300(SAP)

(Noise reduction OFF)

Set ST/SAP, FMONO pins to “H” and MUTE pin to “L”.

Input L-only signal (30% modulation, f = 300 Hz) to COM pin. Assume output voltage of

ROT pin “VROT” and output voltage of LOT pin “VLOT”.

Sep1 = 20 log

VLOT

VROT

Execute the same operation for R-only signal.

(Sound multiplex signal generator: 465Z (manufactured by EIDEN Co. Ltd.))

Set ST/SAP, FMONO pins to “H” and MUTE pin to “L”.

Input L-only signal (30% modulation, f = 1 kHz) to COM pin. Assume output voltage of

ROT pin “VROT” and output voltage of LOT pin “VLOT”.

Sep2 = 20 log

VLOT

VROT

Execute the same operation for R-only signal.

(Sound multiplex signal generator: 465Z (manufactured by EIDEN Co. Ltd.))

Set ST/SAP, FMONO pins to “H” and MUTE pin to “L”.

Input L-only signal (30% modulation, f = 3 kHz) to COM pin. Assume output voltage of

ROT pin “VROT” and output voltage of LOT pin “VLOT”.

Sep3 = 20 log

VLOT

VROT

Execute the same operation for R-only signal.

(Sound multiplex signal generator: 465Z (manufactured by EIDEN Co. Ltd.))

Set MUTE and FMONO pins to “L”.

Input monaural signal (100% modulation, f = 1 kHz) to COM pin. Measure output

distortion rate of ROT and LOT pin.

Set ST/SAP, FMONO pins to “H” and MUTE pin to “L”.

Input L-only signal (100% modulation, f = 1 kHz) to COM pin. Measure output distortion

rate of LOT pin.

Execute the same operation for R-only signal (ROT pin).

Set ST/SAP, FMONO pins to “H” and MUTE pin to “L”.

Input L-only signal (100% modulation, f = 8 kHz) to COM pin. Measure output distortion

rate of LOT pin.

Execute the same operation for R-only signal (ROT pin).

Set FMONO pin to “H” and SAP1/2, ST/SAP, MUTE pins to “L”.

Input SAP signal (100% modulation, f = 1 kHz) to COM pin. Measure output distortion

rate of ROT and LOT pin.

Parameter

SAP single

frequency

characteristics 2

SAP single

frequency

characteristics 3

Stereo channel

separation 1

Stereo channel

separation 2

Stereo channel

separation 3

Monaural total

distortion rate

Stereo total

distortion rate 1

Stereo total

distortion rate 2

SAP total

distortion rate

Symbol

VOSAP22

VOSAP23

Sep1

Sep2

Sep3

THDMO

THDST1

THDST2

THDSAP1

UPC1876 Datasheet(PDF) 32 Page - Renesas Technology Corp

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