參數(shù)資料
型號(hào)： TS4855
廠商： 意法半導(dǎo)體
英文描述： LOUDSPEAKER & HEADSET DRIVER WITH VOLUME CONTROL
中文描述： 音箱
文件頁(yè)數(shù)： 8/27頁(yè)
文件大小： 1422K
代理商： TS4855
TS4855
Electrical Characteristics
8/27
Po
Output Power
SPKR
out
, RL = 8
,
THD = 1%, f = 1 kHz
R
out
& L
out
, RL = 32
,
THD = 0.5%, f = 1 kHz
300
20
340
25
mW
THD + N Total Harmonic Distortion + Noise
R
out
& L
out
, Po = 20 mW, f = 1 kHz, RL = 32
SPKR
out
, Po = 300 mW, f = 1 kHz, RL = 8
R
out
& L
out
, Po = 15 mW, 20 Hz < f < 20 kHz, RL = 32
SPKR
out
, Po = 250 mW, 20 Hz < f < 20 kHz, RL = 8
0.5
0.5
0.5
1
%
SNR
Signal To Noise Ratio
A-Weighted, f = 1 kHz
80
dB
PSRR
5)
Power Supply Rejection Ratio
SPKR
out
,Vripple = 200 mV Vpp, F =217 Hz, Input Terminated 50
Gain (BTL) = 12 dB, Output Mode 1,3,5,7
R
out
& L
out
Vripple =200 mV Vpp, F= 217 Hz, Input Terminated 50
Maximum gain setting, Output Mode 2,3
R
out
& L
out
Vripple =200 mV Vpp, F= 217 Hz, Input Terminated 50
Maximum gain setting, Output Mode 4,5
R
out
& L
out
Vripple =200 mV Vpp, F= 217 Hz, Input Terminated 50
Maximum gain setting, Output Mode 6,7
58
52
49
45
61
55
52
48
dB
G2
Digital Gain Range - Rin & Lin to R
out ,
L
out
-34.5
12
dB
G1
Digital Gain Range - Phone In HS to R
out ,
L
out
-40.5
6
dB
Digital Gain stepsize
1.5
dB
Stepsize Error
± 0.6
dB
Phone In Volume
BTL maximum GAIN from Phone In HS to R
out
, L
out
BTL minimum GAIN from Phone In HS to R
out
, L
out
5.4
-41.1
6
-40.5
6.6
-39.9
dB
Phone In Volume
BTL maximum gain from Rin, Lin to R
out
, L
out
BTL minimum gain from Rin, Lin to R
out
, L
out
11.4
-35.1
12
-34.5
12.6
-33.9
dB
Phone In Volume
BTL gain from Phone In IHF to SPKR
out
11.4
12
12.6
dB
Zin
Phone In IHF Input Impedance, all gains setting
16
20
24
k
k
Zin
Phone In HS, Rin & Lin Input Impedance, all gains setting
42.5
50
57.5
tes
Enable Step up Time - ENB
20
ns
teh
Enable Hold Time - ENB
20
ns
tel
Enable Low Time - ENB
30
ns
Table 5: Electrical characteristics at VCC = +3.0 V, GND = 0 V, Tamb = 25°C
(unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
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參數(shù)描述
TS4855_04 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOUDSPEAKER & HEADSET DRIVER WITH VOLUME CONTROL
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TS486 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY MODE
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