參數(shù)資料
型號(hào)： 935261315118
廠商： NXP SEMICONDUCTORS
元件分類： 音頻控制
英文描述： 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO20
封裝： PLASTIC, SOT-163, SO-20
文件頁(yè)數(shù)： 4/31頁(yè)
文件大?。?/td> 292K
代理商： 935261315118
1998 Jun 02
12
Philips Semiconductors
Preliminary specication
2
× 1.4 W BTL audio ampliers with digital
volume control and headphone sensing
TDA8552T; TDA8552TS
AC CHARACTERISTICS (VDD =5V)
Tamb =25 °C; RL =8 ; f = 1 kHz; total gain setting at 7 dB; VMODE = 0 V; Gain select pin is at 0 V
(maximum gain = 20 dB); according to Fig.4; package is SO20.
Notes
1. Volume setting at maximum.
2. The noise output voltage is measured at the output in a frequency band from 20 Hz to 20 kHz (unweighted),
Rsource =0 .
3. Supply voltage ripple rejection is measured at the output, with a source impedance of Rsource =0 at the input.
The ripple voltage is a sine wave with a frequency of 1 kHz and an amplitude of 100 mV (RMS) is applied to the
positive supply rail, gain select pin is LOW (0 V).
4. Channel suppression is measured at the output with a source impedance of Rsource =0 at the input and a
frequency of 1 kHz. The output level in the operating single-ended channel (OUT+) is set at 1 V (RMS).
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Po
output power
THD = 10%; RL =8
1.0
1.4
W
THD = 10%; RL =16
0.8
W
THD = 0.5%; RL =8
0.6
1.0
W
THD = 0.5%; RL =16
0.6
W
THD
total harmonic distortion
Po = 0.1 W; note 1
0.15
0.4
%
Po = 0.5 W; note 1
0.1
0.3
%
Vo(n)
noise output voltage
GAINSEL. = 0 V; note 2
60
100
V
GAINSEL. = VDD; note 2
100
V
SVRR
supply voltage ripple
rejection
note 3
50
55
dB
Vi(max)
a maximum input voltage
THD = 1%;
Gv = 50 to 0 dB
1.75
V
αsup
channel suppression
VHPS =VDD; note 4
70
80
dB
α
cs
channel separation
50
dB
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