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參數(shù)資料
| 型號： | 935261316118 |
| 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-266, SSOP-20 |
| 文件頁數(shù)： | 3/31頁 |
| 文件大小： | 292K |
| 代理商： | 935261316118 |
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1998 Jun 02
11
Philips Semiconductors
Preliminary specication
2
× 1.4 W BTL audio ampliers with digital
volume control and headphone sensing
TDA8552T; TDA8552TS
AC CHARACTERISTICS (VDD = 3.3 V)
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.
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 , gain select pin is LOW (0 V).
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 2 V (RMS).
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Po
output power
THD = 10%; RL =4
0.9
W
THD = 10%; RL =8
0.6
W
THD = 10%; RL =16
0.3
W
THD = 0.5%; RL =4
0.6
W
THD = 0.5%; RL =8
0.4
W
THD = 0.5%; RL =16
0.2
W
THD
total harmonic distortion
Po = 0.1 W; note 1
0.1
%
Vo(n)
noise output voltage
note 2
60
V
SVRR
supply voltage ripple
rejection
note 3
tbf
55
dB
Vi(max)
maximum input voltage
THD = 1%;
Gv = 50 to 0 dB
1.1
V
αsup
channel suppression
VHPS =VDD; note 4
80
dB
α
cs
channel separation
55
dB
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