3/13

TDA7469

flat (G = 0dB), f = 1KHz, unless otherwise specified)

Note: 1. BASS and TREBLE response: The center frequency and the response quality can be chosen by the external circuitry.

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

SUPPLY

Supply Voltage

1.8

2.4

5.0

V

Supply Voltage

1.5

2.4

5.0

V

Supply Current

10

µA

Quiscent Current

1

µA

Po = 0.5mW +0.5mW

8

mA

Po = 0.5mW +0.5mW

15

mA

INPUT STAGE

Input Resistance

35

50

65

K

Ω

Input Attenuation Range

0

6

dB

VOLUME CONTROL

Control Range

-63

6

dB

Max. Attenuation

61

63

65

dB

Step Resolution

0.5

1

1.5

dB

Max. Gain

6dB

Step Resolution

2

dB

R1

Muxout Load Resistence

10

K

Ω

BASS CONTROL

Control Range

Max. Boost/on

14

dB

Internal Feedback Resistance

75.6

100.8

126

K

Ω

TREBLE CONTROL

Control Range

Max. Boost

12

dB

Internal Resistance

25

K

Ω

HEADPHONE OUTPUTS

Output Gain

0

dB

Max Output Power

THD = 10%

5

8

mW

GENERAL

Output Noise

All gains = 0dB

Output Muted

BW = 20Hz to 20KHz flat

5

10

µV

µV

THD

Distortion

0.1

0.5

%

Channel Separation Left/Right

50

dB

RR1

Ripple Rejection

-70

dB

RR2

Ripple Rejection

PVS, f = 100Hz

-75

dB

Total Tracking Error

0

1

dB

BUS INPUTS

Input Low Voltage

0.5

V

Input High Voltage

1.9

V

Input Current

-5

5

µA

Output Voltage (ACK)

0.4

V