TDA8421 Datasheet, PDF (15/26 Pages) NXP Semiconductors – Hi-fi stereo audio processor; I2C bus

Philips Semiconductors
Hi-fi stereo audio processor; I²C bus
Product specification
TDA8421
PARAMETER
HEADPHONE CHANNEL OUTPUTS
CH2 LEFT (pin 22); CH2 RIGHT (pin 7)
Output voltage range (r.m.s. value)
at THD ≤ 0,5%
Load resistance
Output impedance
Noise level
(weighted according to CCIR468-2)
gain = 0 dB
gain = 16 dB
gain = ≤ −90 dB
Total harmonic distortion
(f = 20 Hz to 12,5 kHz)
for V_i(rms) = 0,2 V;
gain = 0 dB to −30 dB
for V_i(rms) = 1,0 V;
gain = 0 dB to −30 dB
for V_i(rms) = 2,0 V
gain = −4 dB to −30 dB
Channel separation at 10 kHz
gain = 0 dB
Ripple rejection (gain = 0 dB;
bass and treble in linear position)
f_ripple = 100 Hz
Crosstalk attenuation from logic
inputs to AF outputs (gain = 0 dB;
bass and treble in linear position)
Crosstalk between any input/output
f = 100 Hz to 12,5 kHz
Crosstalk IN1/IN2
gain = 0 dB; R_G = 0
SYMBOL
MIN.
TYP.
MAX.
UNIT
V_o(rms)
R_L
Z_O
V_n
V_n
V_n
THD
THD
THD
α_cr
RR₁₀₀
α_L
α
α
2
−
−
V
10
−
−
kΩ
−
−
100
Ω
−
15
−
µV
−
12
25
µV
−
10
−
µV
−
0,01
0,2
%
−
0,1
−
%
−
0,3
−
%
−
75
−
dB
−
50
−
dB
−
110
−
dB
65
70
−
dB
95
100
−
dB
May 1988
15