參數(shù)資料
型號(hào): TS4956
廠商: 意法半導(dǎo)體
英文描述: Stereo audio amplifier system with I2C bus interface
中文描述: 立體聲與I2C總線接口,音頻放大器系統(tǒng)
文件頁(yè)數(shù): 9/51頁(yè)
文件大?。?/td> 1506K
代理商: TS4956
TS4956
Electrical characteristics
9/51
3
Electrical characteristics
V
CC
= +2.7 V, GND = 0V, T
amb
= 25°C (unless otherwise specified)
Table 10.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
I
CC
Supply Current
Mode 1, 2,
No input signal, no load
3.4
4.4
mA
Mode 3,
No input signal, no load
4.6
6
Mode 4,
No input signal, no load
4.4
5.7
Mode 5, 6,
No input signal, no load
1.75
2.3
Mode 7,
No input signal, no load
5.7
7.4
I
STBY
Standby Current
No input signal
0.5
2
μA
V
OO
Output Offset Voltage
No input signal
Modes 1, 2
Speaker Output, R
L
= 8
Mode 3
Headphone Outputs, R
L
= 16
Mode 4
Headphone Outputs, R
L
= 16
Mode 7
BTL, Speaker Output, R
L
= 8
5
5
5
5
50
50
20
20
mV
P
out
Headphone Output Power
(Phantom Ground mode)
Modes 3, 4
THD+N = 1% max, F = 1kHz, R
L
= 16
THD+N = 1% max, F = 1kHz, R
L
= 32
30
20
35
25
mW
BTL, Speaker Output
Power
Modes 1, 2, 7
THD+N = 1% max, F = 1kHz, R
L
= 8
270
285
MLO Output Power
Modes 5, 6
THD+N = 1% max, F = 1kHz, R
L
= 16
THD+N = 1% max, F = 1kHz, R
L
= 32
35
20
42
25
THD+N
Total Harmonic Distortion
+ Noise
G = +1.5dB, 20Hz < F < 20kHz
Modes 1, 2, 7,
R
L
= 8
, P
out
= 200mW
Modes 3, 4,
R
L
= 16
, P
out
= 15mW
Modes 5, 6,
R
L
= 16
, P
out
= 30mW
0.5
0.5
0.5
%
PSRR
Power Supply Rejection
Ratio
(1)
F = 217Hz, G = +1.5dB, V
ripple
= 200mVpp,
Inputs Grounded, C
b
= 1μF
Mode 1
, Speaker output, R
L
= 8
Mode 2
, Speaker output, R
L
= 8
Mode 3
, Headphone outputs, R
L
= 16
Mode 4
, Headphone outputs, R
L
= 16
Mode 5
, MLO output, R
L
= 16
Mode 6
, MLO output, R
L
= 16
Mode 7
, BTL, Speaker outputs, R
L
= 8
60
55
61
75
62
57
73
dB
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