AK4711EN datasheet(8/34 Pages) AKM

Part #	AK4711EN

Description	Low Power Single SCART Driver with HD

Download	34 Pages

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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8 / 34 page

[AK4711]

Rev. 0.4

2011/07

- 8 -

ANALOG CHARACTERISTICS (AUDIO)

(Ta=25

°C; VP=12V, VD1=VD2=VVD=HDVVD= 3.3V; Signal Frequency=1kHz; Measurement frequency=20Hz ∼

20kHz; RL ≥4.5kΩ; 0dB=2Vrms output; Volume =0dB, unless otherwise specified)

Parameter

min

typ

max

Units

Analog Input: (AINL+/AINL-/AINR-/AINR+ pins)

Analog Input Characteristics

Input Voltage

(AIN+)

− (AIN−)

(Note 7)

2.0

Vrms

Input Resistance

(AINL+, AINR+ pins)

85

120

k

Ω

Input Resistance

(AINL-, AINR- pins)

85

120

-

k

Ω

Stereo/Mono Output: (TVOUTL/TVOUTR pins)

(Note 8)

Analog Output Characteristics

Volume Step Width

TBD

3.0

TBD

dB

THD+N

(at 2Vrms output, Note 10,Note 12)

−92

TBD

dB

Dynamic Rang (

−60dB Output, A-weighted, Note 10)

TBD

96

dB

S/N

(A-weighted, Note 10, Note 14)

TBD

96

dB

Interchannel Isolation

(Note 10, Note 11)

TBD

90

dB

Interchannel Gain Mismatch

(Note 10, Note 11)

-0.5

0

+0.5

dB

DC offset

(Note 13)

-5

0

+5

mV

Gain Drift

-

200

-

ppm/

°C

Load Resistance

TVOUTL/R

4.5

k

Ω

Load Capacitance

TVOUTL/R

20

pF

Output Voltage

(Note 9)

1.8

2

2.2

Vrms

Power Supply Rejection (PSR)

(Note 15)

-

50

dB

Note 7. f = 1kHz, THD+N < -80dB, gain = 0dB(Volume=0dB)

Note 8. Measured by Audio Precision System Two Cascade.

Note 9. The output level of the internal AMP with volume should be less than 2Vrms.

Note 10. Analog In to TVOUT. Path : AINL+/

− → TVOUTL, AINR+/− → TVOUTR, Volume=0dB.

At 2Vrms single input, TDH+N is -91dB (typ), on path AINL+

→ TVOUTL, AINR+ → TVOUTR,

Volume=0dB

Note 11. Between TVOUTL and TVOUTR with analog inputs AINL+/

−, AINL/R+/−, 1kHz/0dB.

Inter-channel crosstalk is -80dB (typ), at 20Hz~20kHz other than 1kHz.

Note 12. -79dB (typ) referred to 0.5Vrms output level at Volume=+24dB

: path = AIN+/-

→ TVOUT.

Note 13. Analog In to TVOUT. Volume=0dB

Path : AINL+/

− → TVOUTL, AINR+/− → TVOUTR

Note 14. 82dB (typ) referred to 0.5Vrms output level at Volume=+24dB

84dB (typ), referred to 0.5Vrm output level at Volume = +21dB.

: path = AIN+/-

→ TVOUT.

Note 15. The PSR is applied to VD1 and VD2 with 1kHz, 100mV.

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