TS4851 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TS4851

Mono 1W Speaker and Stereo 160mW Headset BTL Drivers with Digital Volume Control

STMicroelectronics 

Electrical Characteristics

Figure 21: HDout THD+N vs. frequency

(output mode 4, G = +12 dB)

10

RL = 16Ω

Output mode 4

G = +12dB

BW < 125kHz

1 Tamb = 25°C

Vcc=3V

P=40mW

Vcc=5V

0.1

P=220mW

0.01

100

1000

10000

Frequency (Hz)

Figure 22: HDout THD+N vs. frequency

(output mode 4, G = +12 dB)

10

RL = 32Ω

Output mode 4

G = +12dB

BW < 125kHz

1 Tamb = 25°C

Vcc=3V

P=20mW

Vcc=5V

0.1

P=140mW

0.01

100

1000

10000

Frequency (Hz)

Figure 23: Speaker output power vs. power

supply voltage (output mode 1, 7)

2.0

F = 1kHz

Output mode 1, 7

1.6 BW < 125kHz

Tamb = 25°C

1.2

0.8

0.4

4Ω

8Ω

16Ω

32Ω

0.0

3.0

3.5

4.0

4.5

5.0

5.5

Vcc (V)

TS4851

Figure 24: Speaker output power vs. power

supply voltage (output mode 1, 7)

2.4

F = 1kHz

Output mode 1, 7

2.0 BW < 125kHz

Tamb = 25°C

1.6

1.2

0.8

0.4

4Ω

8Ω

16Ω

32Ω

0.0

3.0

3.5

4.0

4.5

5.0

5.5

Vcc (V)

Figure 25: Headphone output power vs. load

resistor (output mode 2)

0.35

0.30

0.25

F = 1kHz

Output mode 2

BW < 125kHz

Tamb = 25°C

0.20

0.15

0.10

0.05

0.00

3.0

3.5

16Ω

32Ω

64Ω

4.0

4.5

5.0

5.5

Vcc (V)

Figure 26: Headphone output power vs. load

resistor (output mode 2)

0.40

0.35

0.30

F = 1kHz

Output mode 2

BW < 125kHz

Tamb = 25°C

0.25

0.20

0.15

0.10

0.05

0.00

3.0

3.5

16Ω

32Ω

64Ω

4.0

4.5

5.0

5.5

Vcc (V)

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