TDA7469_1 Datasheet, PDF (3/13 Pages) STMicroelectronics – LOW VOLTAGE ANALOG AUDIO PROCESSOR WITH HEADPHONE POWER AMPLIFIER

TDA7469
Table 5.
ELECTRICAL CHARACTERISTICS (refer to the test circuit T_amb = 25°C, V_S =2.4V, all controls flat (G =
0dB), f = 1KHz, unless otherwise specified)
Symbol
Parameter
Test Condition
Min. Typ. Max.
SUPPLY
V_S Supply Voltage
1.8
2.4
5.0
V_PS Supply Voltage
1.5
2.4
5.0
I_SQ Supply Current pin 1
All circuit stop
40
100
I_PSQ Quiescent Current pin10 + pin15 Headphone Amp. OFF
1
10
I_S
Po = 0.5mW +0.5mW
8
I_PS
Po = 0.5mW +0.5mW
15
INPUT STAGE
R_IN Input Resistance
35
50
65
A_IN Input Attenuation Range
0
6
VOLUME CONTROL
C_RANGE Control Range
-63
6
A_MAX Max. Attenuation
61
63
65
A_STEP Step Resolution
0.5
1
1.5
G_MAX Max. Gain
6
G_step Step Resolution
2
R1 Muxout Load Resistence
10
BASS CONTROL
G_b Control Range
Max. Boost/on
14
R_B Internal Feedback Resistance
75.6 100.8 126
TREBLE CONTROL
G_t Control Range
Max. Boost
12
R_t Internal Resistance
25
HEADPHONE OUTPUTS
G_out Output Gain
0
P_omax Max Output Power
THD = 10%
5
10
GENERAL
E_NO Output Noise
All gains = 0dB
Output Muted
5
BW = 20Hz to 20KHz flat
10
THD Distortion
Av = 0, V_in = 0.1V_rms
0.1
0.5
S_C Channel Separation Left/Right
50
RR1 Ripple Rejection
V_S, f = 100Hz
-70
RR2 Ripple Rejection
PVS, f = 100Hz
-75
Total Tracking Error
0
1
BUS INPUTS
V_IL Input Low Voltage
0.5
V_IH Input High Voltage
1.9
I_IN Input Current
V_IN = 0.4V
-5
5
V_O Output Voltage (ACK)
I_O = 1.6mA
0.4
Note: 1. BASS and TREBLE response: The center frequency and the response quality can be chosen by the external circuitry.
Unit
V
V
µA
µA
mA
mA
KΩ
dB
dB
dB
dB
dB
dB
KΩ
dB
KΩ
dB
KΩ
dB
mW
µV
µV
%
dB
dB
dB
dB
V
V
µA
V
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