TS4855
LOUDSPEAKER & HEADSET DRIVER WITH VOLUME CONTROL
s s s s s s s s s s
OPERATING FROM VCC = 3.0 V to 5.0 V SPEAKER: Mono, THD+N @ 1 kHz is 1% Max @ 1 W into 8 Ω BTL HEADSET: Stereo, THD+N @ 1 kHz is 0.5% Max. @ 85 mW into 32 Ω BTL VOLUME CONTROL: 32-step digital volume control OUTPUT MODE: Eight different selections Ultra low pop-and-click Low Shutdown Current (0.1 µA, typ.) Thermal Shutdown Protection FLIP-CHIP Package 18 X 300 µm Bumps TS4855E IJT Lead-Free option available
TS4855IJT - Flip Chip
PIN CONNECTIONS (top view)
DESCRIPTION
The TS4855 is a complete low power audio amplifier solution targeted at mobile phones. It integrates, into an extremely compact flip-chip package, an audio amplifier, a speaker driver, and a headset driver. The Audio Power Amplifier can deliver 1.1 W (typ.) of continuous RMS output power into an 8 Ω speaker with a 1% THD+N value. To the headset driver, the amplifier can deliver 85 mW (typ.) per channel of continuous average power into stereo 32 Ω bridged-tied load with 0.5% THD+N @ 5 V. This device features a 32-step digital volume control and 8 different output selections. The digital volume and output modes are controlled through a three-digit SPI interface bus.
Pin Out (top view)
APPLICATIONS
• Mobile Phones
ORDER CODE
Part Number TS4855IJT TS4855EIJT Temperature Range -40, +85°C -40, +85°C Package J
• •
1/27
J = Flip Chip Package - only available in Tape & Reel (JT))
March 2004
TS4855 1
Application Information for a Typical Application
APPLICATION INFORMATION FOR A TYPICAL APPLICATION
External component descriptions
Component Cin Cs CB Functional Description This is the input coupling capacitor. It blocks the DC voltage at, and couples the input signal to the amplifier’s input terminals. Cin also creates a highpass filter with the internal input impedance Zin at Fc = 1 / (2π x Zin x Cin). This is the Supply Bypass capacitor. It provides power supply filtering. This is the Bypass pin capacitor. It provides half-supply filtering.
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SPI Bus Interface 2 SPI BUS INTERFACE
TS4855
2.1 Pin Descriptions
Pin DATA CLK ENB This is the serial data input pin This is the clock input pin This is the SPI enable pin active at high level Functional Description
2.2 SPI Operation Description
The serial data bits are organized into a field containing 8 bits of data as shown in Table 1. The DATA 0 to DATA 2 bits determine the output mode of the TS4855 as shown in Table 2. The DATA 3 to DATA 7 bits determine the gain level setting as illustrated by Table 3. For each SPI transfer, the data bits are written to the DATA pin with the least significant bit (LSB) first. All serial data are sampled at the rising edge of the CLK signal. Once all the data bits have been sampled, ENB transitions from logic-high to logic low to complete the SPI sequence. All 8 bits must be received before any data latch can occur. Any excess CLK and DATA transitions will be ignored after the height rising clock edge has occurred. For any data sequence longer than 8 bits, only the
first 8 bits will get loaded into the shift register and the rest of the bits will be disregarded.
Table 1: Bit Allocation
DATA LSB DATA 0 DATA 1 DATA 2 DATA 3 DATA 4 DATA 5 DATA 6 MSB DATA 7 MODES Mode 1 Mode 2 Mode 3 gain 1 gain 2 gain 3 gain 4 gain 5
Table 2: Output Mode Selection
Output Mode # 0 1 2 3 4 5 6 7 DATA 2 0 0 0 0 1 1 1 1 DATA 1 0 0 1 1 0 0 1 1 DATA 0 0 1 0 1 0 1 0 1 SPKRout SD +12dBxPIHF MUTE +12dBxPIHF MUTE +12dBxPIHF MUTE +12dBxPIHF Rout SD SD G1xPHS G1xPHS G2xRin G2xRin G1xPHS+ G2xRin G1xPHS+ G2xRin Lout SD SD G1xPHS G1xPHS G2xLin G2xLin G1xPHS+ G2xLin G1xPHS+ G2xLin
(SD = Shut Down Mode, PHS = Non Filtered Phone In HS, PIHF = External High Pass Filtered Phone In IHF)
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TS4855 Table 3: Gain Control Settings
G2: Gain (dB) -34.5 -33.0 -31.5 -30.0 -28.5 -27.0 -25.5 -24.0 -22.5 -21.0 -19.5 -18.0 -16.5 -15.0 -13.5 -12.0 -10.5 -9.0 -7.5 -6.0 -4.5 -3.0 -1.5 0.0 1.5 3.0 4.5 6.0 7.5 9.0 10.5 12.0 G1: Gain (dB) -40.5 -39.0 -37.5 -36.0 -34.5 -33.0 -31.5 -30.0 -28.5 -27.0 -25.5 -24.0 -22.5 -21.0 -19.5 -18.0 -16.5 -15.0 -13.5 -12.0 -10.5 -9.0 -7.5 -6.0 -4.5 -3.0 -1.5 0.0 1.5 3.0 4.5 6.0 DATA 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 DATA 6 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 DATA 5 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1
SPI Bus Interface
DATA 4 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1
DATA 3 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
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Absolute Maximum Ratings 2.3 SPI Timing Diagram
TS4855
3
ABSOLUTE MAXIMUM RATINGS
Parameter Supply voltage
1
Symbol VCC Toper Tstg Tj Rthja Pd ESD ESD
Value 6 -40 to + 85 -65 to +150 150
2
Unit V °C °C °C °C/W kV V mA °C
Operating Free Air Temperature Range Storage Temperature Maximum Junction Temperature Flip Chip Thermal Resistance Junction to Ambient Power Dissipation Human Body Model 3 Machine Model Latch-up Immunity Lead Temperature (soldering, 10sec)
4
166 Internally Limited 2 100 200 250
1) All voltage values are measured with respect to the ground pin. 2) Device is protected in case of over temperature by a thermal shutdown active @ 150°C typ. 3) Human body model, 100pF discharged through a 1.5 kΩ resistor into pin of device. 4) This is a minimum Value. Machine model ESD, a 200pF cap is charged to the specified voltage, then discharged directly into the IC with no external series resistor (internal resistor < 5 Ω), into pin to pin of device. 5.) All PSRR data limits are guaranteed by evaluation tests.
4
OPERATING CONDITIONS
Parameter Supply Voltage Maximum Phone In Input Voltage Thermal Shutdown Temperature Value 3 to 5 GND to VCC GND to VCC 150 Unit V V V °C
Symbol VCC Vphin TSD
VRin/VLin Maximum Rin & Lin Input Voltage
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TS4855 5 ELECTRICAL CHARACTERISTICS
Electrical Characteristics
Table 4: Electrical characteristics at VCC = +5.0 V, GND = 0 V, Tamb = 25°C (unless otherwise specified)
Symbol ICC Parameter Supply Current, all gain @ max settings Output Mode 1, Vin = 0 V, no load Output Mode 1, Vin = 0 V, loaded (8Ω) Output Mode 2,3,4,5,6,7 Vin = 0 V, no loads Output mode 2,3,4,5,6,7 Vin = 0 V, loaded (8Ω, 32Ω) Standby Current Output Mode 0 Output Offset Voltage (differential) Output Mode 1 to 7, Vin = 0 V, no load, Speaker Out Output Mode 2 to 7 Vin = 0 V, no loads, Headset Out “Logic low” input Voltage “Logic high” input Voltage Output Power SPKR out, RL = 8Ω, THD+N = 1%, f = 1 kHz Rout & Lout, RL = 32Ω, THD+N = 0.5%, f = 1 kHz 0 1.4 800 70 1100 100 % 0.5 1 0.5 0.5 80 dB dB 58 52 50 46 -34.5 -40.5 1.5 ± 0.6 62 61 58 53 12 6 dB dB dB dB Min. Typ. 4.0 5.5 8.0 10 0.75 5 5 Max. 8 9 11 12 µA 2 mV 20 40 0.4 5 V V mW Unit mA
ISTANDBY Voo
Vil Vih Po
THD + N Total Harmonic Distortion + Noise Rout & Lout, Po = 70 mW, f = 1 kHz, RL = 32Ω SPKR out, Po = 800 mW, f = 1 kHz, RL = 8Ω Rout & Lout, Po = 50 mW, 20 Hz < f < 20 kHz, RL = 32Ω SPKR out, Po = 400 mW, 20 Hz < f < 20 kHz, RL = 8Ω SNR PSRR 5) Signal To Noise Ratio A-Weighted, f = 1 kHz Power Supply Rejection Ratio SPKRout;Vripple = 200 mV Vpp, F = 217 Hz, Input Terminated 50Ω Gain (BTL) = 12 dB, Output mode 1,3,5,7 Rout& Lout;Vripple = 200 mV Vpp, F = 217 Hz, Input Terminated 50Ω Maximum gain setting, Output mode 2,3 Rout& Lout;Vripple = 200 mV Vpp, F = 217 Hz, Input Terminated 50Ω Maximum gain setting, Output mode 4,5 Rout& Lout;Vripple = 200 mV Vpp, F = 217 Hz, Input Terminated 50Ω Maximum gain setting, Output mode 6,7 Digital Gain Range (Rin & Lin) to R out, Lout Digital Gain Range (Phone In HS) to Rout, Lout Digital Gain Stepsize Stepsize Error
G2 G1
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Electrical Characteristics
TS4855
Table 4: Electrical characteristics at VCC = +5.0 V, GND = 0 V, Tamb = 25°C (unless otherwise specified)
Symbol Parameter Phone In Volume BTL maximum GAIN from Phone In HS to R out, Lout BTL minimum GAIN from Phone In HS to R out, Lout Phone In Volume BTL maximum gain from Rin, Lin to R out, Lout BTL minimum gain from Rin, Lin to R out, Lout Phone In Volume BTL gain from Phone In IHF to SPKR out Zin Zin tes teh tel tds tdh tcs tch tcl fclk Phone In IHF Input Impedance Phone In HS, Rin & Lin Input Impedance, All Gain setting Enable Step up Time - ENB Enable Hold Time - ENB Enable Low Time - ENB Data Setup Time- DATA Data Hold Time - DATA Clock Setup time - CLK Clock Logic High Time - CLK Clock Logic Low Time - CLK Clock Frequency - CLK Min. 5.4 -41.1 Typ. 6 -40.5 Max. 6.6 -39.9 dB 11.4 -35.1 11.4 16 42.5 20 20 30 20 20 20 50 50 DC 10 12 -34.5 12 20 50 12.6 -33.9 12.6 24 57.5 dB kΩ kΩ ns ns ns ns ns ns ns ns MHz Unit dB
Table 5: Electrical characteristics at VCC = +3.0 V, GND = 0 V, Tamb = 25°C (unless otherwise specified)
Symbol ICC Parameter Supply Current, all gain @ max settings Output Mode 1, Vin = 0 V, no load Output Mode 1, Vin = 0 V, loaded (8Ω) Output Mode 2,3,4,5,6,7 Vin = 0 V, no loads Output mode 2,3,4,5,6,7 Vin = 0 V, loaded (8Ω, 32Ω) Standby Current Output Mode 0 Output Offset Voltage (differential) Output Mode 1 to 7, Vin = 0 V, no load, Speaker Out Output Mode 2 to 7 Vin = 0 V, no loads, Headset Out “Logic low” input Voltage “Logic high” input Voltage 0 1.4 Min. Typ. 3.5 4.5 7.5 9 0.6 5 5 Max. 7 8 10 11 µA 2 mV 20 40 0.4 3 V V Unit mA
ISTANDBY Voo
Vil Vih
7/27
TS4855
Electrical Characteristics Table 5: Electrical characteristics at VCC = +3.0 V, GND = 0 V, Tamb = 25°C (unless otherwise specified)
Symbol Po
Parameter Output Power SPKRout, RL = 8Ω, THD = 1%, f = 1 kHz Rout & Lout, RL = 32Ω, THD = 0.5%, f = 1 kHz
Min. 300 20
Typ. 340 25
Max.
Unit mW
THD + N Total Harmonic Distortion + Noise Rout & Lout, Po = 20 mW, f = 1 kHz, RL = 32Ω SPKRout, Po = 300 mW, f = 1 kHz, RL = 8Ω Rout & Lout, Po = 15 mW, 20 Hz < f < 20 kHz, RL = 32Ω SPKRout, Po = 250 mW, 20 Hz < f < 20 kHz, RL = 8Ω SNR Signal To Noise Ratio A-Weighted, f = 1 kHz
% 0.5 1 0.5 0.5 80 dB dB 58 52 49 45 -34.5 -40.5 1.5 ± 0.6 5.4 -41.1 11.4 -35.1 11.4 16 42.5 20 20 30 6 -40.5 12 -34.5 12 20 50 6.6 -39.9 dB 12.6 -33.9 dB 12.6 24 57.5 kΩ kΩ ns ns ns 62.5 56.5 55 49.5 12 6 dB dB dB dB dB
PSRR 5) Power Supply Rejection Ratio SPKRout,Vripple = 200 mV Vpp, F = 217 Hz, Input Terminated 50Ω Gain (BTL) = 12 dB, Output Mode 1,3,5,7 Rout & Lout Vripple = 200 mV Vpp, F = 217 Hz, Input Terminated 50Ω Maximum gain setting, Output Mode 2,3 Rout & Lout Vripple = 200 mV Vpp, F = 217 Hz, Input Terminated 50Ω Maximum gain setting, Output Mode 4,5 Rout & Lout Vripple = 200 mV Vpp, F = 217 Hz, Input Terminated 50Ω Maximum gain setting, Output Mode 6,7 G2 G1 Digital Gain Range - Rin & Lin to Rout ,Lout Digital Gain Range - Phone In HS to Rout ,Lout Digital Gain stepsize Stepsize Error Phone In Volume BTL maximum GAIN from Phone In HS to Rout, Lout BTL minimum GAIN from Phone In HS to Rout, Lout Phone In Volume BTL maximum gain from Rin, Lin to Rout, Lout BTL minimum gain from Rin, Lin to Rout, Lout Phone In Volume BTL gain from Phone In IHF to SPKRout Zin Zin tes teh tel Phone In IHF Input Impedance, all gains setting Phone In HS, Rin & Lin Input Impedance, all gains setting Enable Step up Time - ENB Enable Hold Time - ENB Enable Low Time - ENB
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Electrical Characteristics Table 5: Electrical characteristics at VCC = +3.0 V, GND = 0 V, Tamb = 25°C (unless otherwise specified)
Symbol tds tdh tcs tch tcl fclk Data Setup Time- DATA Data Hold Time - DATA Clock Setup time - CLK Clock Logic High Time - CLK Clock Logic Low Time - CLK Clock Frequency - CLK Parameter Min. 20 20 20 50 50 DC 10 Typ.
TS4855
Max.
Unit ns ns ns ns ns MHz
Index of Graphics
Description THD + N vs. Output Power THD + N vs. Frequency Output Power vs. Power Supply Voltage Output Power vs. Load Resistor PSRR vs. Frequency Mute Attenuation vs. Frequency Frequency Response -3 dB Lower Cut Off Frequency vs. Input Capacitor -3 dB Lower Cut Off Frequency vs. Gain Setting Power Derating Curves Signal to Noise Ratio vs. Power Supply Voltage Current Consumption vs. Power Supply Voltage Power Dissipation vs. Output Power Figure
Figures 1 to 11 Figures 12 to 18 Figures 19 to 22 Figures 23 to 26 Figures 27 to 34 Figure 35 Figures 36 to 38 Figures 39 to 40 Figure 39 Figure 42 Figures 43 to 50 Figure 51 Figures 52 to 55
Page
page 10 to page 11 page 11 to page 12 page 13 page 13 to page 14 page 14 to page 15 page 15 page 15 to page 16 page 16 page 16 page 16 page 17 to page 18 page 18 page 18 to page 19
Note:
In the graphs that follow, the abbreviations Spkout = Speaker Output, and HDout = Headphone Output are used.
9/27
TS4855
Figure 1: Spkout THD+N vs. output power (Output modes 1, 3, 5, 7)
10
Electrical Characteristics
Figure 4: HDout THD+N vs. output power (Output modes 2, 3 G=+6dB)
10 RL = 16Ω BW < 125kHz Tamb = 25°C Vcc=3V F=20kHz
RL = 4Ω BW < 125kHz Tamb = 25°C Vcc=3V F=20kHz
Vcc=5V F=20kHz
Vcc=5V F=20kHz
THD + N (%)
1
THD + N (%)
1
0.1
Vcc=3V F=1kHz Vcc=5V F=1kHz
0.1
Vcc=3V F=1kHz 0.01 0.1 Output Power (W)
Vcc=5V F=1kHz 1
1E-3
0.01 1E-3
0.01 Output Power (W)
0.1
Figure 2: Spkout THD+N vs. output power (Output modes 1, 3, 5, 7)
10
Figure 5: HDout THD+N vs. output power (Output modes 2, 3 G=+3dB)
10 RL = 16Ω BW < 125kHz Tamb = 25°C Vcc=3V F=20kHz
RL = 8Ω BW < 125kHz Tamb = 25°C
Vcc=3V F=20kHz
Vcc=5V F=20kHz
Vcc=5V F=20kHz
THD + N (%)
0.1
THD + N (%)
1
1
0.1
Vcc=5V F=1kHz 1
Vcc=3V F=1kHz Vcc=5V F=1kHz
Vcc=3V F=1kHz 0.01 1E-3 0.01 0.1 Output Power (W)
0.01 1E-3
0.01 Output Power (W)
0.1
Figure 3: Spkout THD+N vs. output power (Output modes 1, 3, 5, 7)
10
Figure 6: HDout THD+N vs. output power (Output modes 2, 3 G=+6dB)
10 RL = 32Ω BW < 125kHz Tamb = 25°C Vcc=3V F=20kHz
RL = 16Ω BW < 125kHz Tamb = 25°C
0.1
THD + N (%)
THD + N (%)
1
Vcc=3V F=20kHz
Vcc=5V F=20kHz
Vcc=5V F=20kHz
1
0.1
Vcc=3V F=1kHz
Vcc=5V F=1kHz
Vcc=3V F=1kHz 0.01 1E-3 0.01 0.1 Output Power (W)
Vcc=5V F=1kHz 1
0.01 1E-3
0.01 Output Power (W)
0.1
10/27
Electrical Characteristics
Figure 7: HDout THD+N vs. output power (Output modes 2, 3 G=+3dB)
10
TS4855
Figure 10: HDout THD+N vs. output power (Output modes 4, 5 G=+12dB)
10
RL = 32Ω BW < 125kHz Tamb = 25°C Vcc=3V F=20kHz
Vcc=5V F=20kHz
THD + N (%)
RL = 32Ω BW < 125kHz Tamb = 25°C Vcc=3V F=20kHz
Vcc=5V F=20kHz
THD + N (%)
1
1
0.1
Vcc=3V F=1kHz
Vcc=5V F=1kHz
0.1
Vcc=3V F=1kHz Vcc=5V F=1kHz
0.01 1E-3
0.01 Output Power (W)
0.1
0.01 1E-3
0.01 Output Power (W)
0.1
Figure 8: HDout THD+N vs. output power (Output modes 4, 5 G=+12dB)
10 RL = 16Ω BW < 125kHz Tamb = 25°C Vcc=3V F=20kHz
Figure 11: HDout THD+N vs. output power (Output modes 4, 5 G=+6dB)
10 RL = 32Ω BW < 125kHz Tamb = 25°C Vcc=3V F=20kHz
Vcc=5V F=20kHz
THD + N (%)
THD + N (%)
1
1
Vcc=5V F=20kHz
0.1
Vcc=3V F=1kHz Vcc=5V F=1kHz
0.1 Vcc=3V F=1kHz Vcc=5V F=1kHz
0.01 1E-3
0.01 Output Power (W)
0.1
0.01 1E-3
0.01 Output Power (W)
0.1
Figure 9: HDout THD+N vs. output power (Output modes 4, 5 G=+6dB)
10 RL = 16Ω BW < 125kHz Tamb = 25°C
Figure 12: HDout THD+N vs. frequency (Output modes 1, 3, 5, 7)
10
Vcc=5V F=20kHz
THD + N (%)
RL = 4Ω BW < 125kHz Tamb = 25°C
THD + N (%)
1
Vcc=3V F=20kHz
1
Vcc=5V P=1W
Vcc=3V P=450mW
0.1
Vcc=3V F=1kHz Vcc=5V F=1kHz
0.1
0.01 1E-3
0.01 Output Power (W)
0.1
100
1000 Frequency (Hz)
10000
11/27
TS4855
Figure 13: Spkout THD+N vs. frequency (Output modes 1, 3, 5, 7)
10 RL = 8Ω BW < 125kHz Tamb = 25°C
Electrical Characteristics
Figure 16: HDout THD+N vs. Frequency (Output modes 2, 3 G=+6dB)
10 RL = 32Ω G=+6dB BW < 125kHz Tamb = 25°C Vcc=3V, P=25mW
THD + N (%)
1 Vcc=5V P=800mW Vcc=3V P=250mW
THD + N (%)
1
0.1
Vcc=5V, P=75mW
0.1
100
1000 Frequency (Hz)
10000
0.01
100
1000 Frequency (Hz)
10000
Figure 14: Spout THD+N vs. frequency (Output modes 1, 3, 5, 7)
10
Figure 17: HDout THD+N vs. frequency (Output modes 4, 5 G=+12dB)
10 RL = 16Ω G=+12dB BW < 125kHz Tamb = 25°C Vcc=3V P=50mW
RL = 16Ω BW < 125kHz Tamb = 25°C
Vcc=5V P=500mW
Vcc=3V P=180mW
0.1
THD + N (%)
THD + N (%)
1
1
0.1
Vcc=5V P=150mW
0.01
100
1000 Frequency (Hz)
10000
0.01
100
1000 Frequency (Hz)
10000
Figure 15: HDout THD+N vs. frequency (Output modes 2, 3 G=+6dB)
10 RL = 16Ω G=+6dB BW < 125kHz Tamb = 25°C
Figure 18: HDout THD+N vs. frequency (Output modes 4, 5 G=+12dB)
10 RL = 32Ω G=+12dB BW < 125kHz Tamb = 25°C
THD + N (%)
THD + N (%)
1
Vcc=3V, P=50mW
1
Vcc=3V P=25mW
0.1
Vcc=5V, P=150mW
0.1
Vcc=5V P=75mW
0.01
100
1000 Frequency (Hz)
10000
0.01
100
1000 Frequency (Hz)
10000
12/27
Electrical Characteristics
Figure 19: Speaker output power vs. power supply voltage (Output modes 1, 3, 5, 7)
2.0
Output power at 1% THD + N (W)
TS4855
Figure 22: Headphone output power vs. power supply voltage (Output modes 2, 3, 4, 5, 6, 7)
450
8Ω 4Ω
1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 2.5 3.0 3.5
Output power at 10% THD + N (W)
F = 1kHz 1.8 BW < 125kHz 1.6 Tamb = 25°C
F = 1kHz 400 BW < 125kHz Tamb = 25°C 350 300 250 200 150 100 50 0 2.5 3.0 3.5 4.0 Vcc (V) 4.5 5.0 5.5 32 Ω 16 Ω
16 Ω
4.0 Vcc (V)
4.5
5.0
5.5
Figure 20: Speaker output power vs. power supply voltage (Output modes 1, 3, 5, 7)
2.4
Output power at 10% THD + N (W)
Figure 23: Speaker output power vs. load resistance (Output modes 1, 3, 5, 7)
2.0
Output power (W)
2.2 F = 1kHz BW < 125kHz 2.0 Tamb = 25°C 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 2.5 3.0 3.5
8Ω 4Ω
1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 THD+N=1% THD+N=10%
Vcc = 5V F = 1kHz BW < 125kHz Tamb = 25°C
16 Ω
4.0 Vcc (V)
4.5
5.0
5.5
0.0
4
6
8 10 12 Load Resistance (Ohm)
14
16
Figure 21: Headphone output power vs. power supply voltage (Output modes 2, 3, 4, 5, 6, 7)
350
Figure 24: Speaker output power vs. load resistance (Output modes 1, 3, 5, 7)
0.7 0.6
Output power (W)
Output power at 1% THD + N (W)
F = 1kHz 300 BW < 125kHz Tamb = 25°C 250 200 150 100 50 0 2.5 32 Ω 16 Ω
THD+N=10%
0.5 0.4 0.3 THD+N=1% 0.2 0.1 0.0
Vcc = 3V F = 1kHz BW < 125kHz Tamb = 25°C
3.0
3.5
4.0 Vcc (V)
4.5
5.0
5.5
4
6
8 10 12 Load Resistance (ohm)
14
16
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TS4855
Figure 25: Headphone output power vs. load resistance (Output modes 2, 3, 4, 5, 6, 7)
350 300
Output power (mW)
Electrical Characteristics
Figure 28: Spkout PSRR vs. frequency (Output modes 2, 4, 6 input grounded)
0
THD+N=10%
-10 -20
PSRR (dB)
250 200 150 100 50 0 16 THD+N=1% Vcc = 5V F = 1kHz BW < 125kHz Tamb = 25°C 20 24 28 32 36 40 Load Resistance (Ohm) 44 48
Ouput mode 2, 4, 6 RL = 8Ω Vripple=0.2Vpp Tamb = 25°C
-30 -40 -50 -60 -70 -80 100 Vcc=3V 1000 10000 Frequency (Hz) 100000 Vcc=5V
Figure 26: Headphone output power vs. load resistance (Output modes 2, 3, 4, 5, 6, 7)
100 THD+N=10% 80
Output power (mW)
Figure 29: HDout PSRR vs. frequency (Output modes 2, 3 input grounded)
0 -10 -20 Output mode 2, 3 Vcc=+5V RL = 32Ω Vripple=0.2Vpp Tamb = 25°C
G=+3dB G=-40.5dB G=-6dB
60 THD+N=1% 40 Vcc = 3V F = 1kHz BW < 125kHz Tamb = 25°C 20 24 28 32 36 40 Load Resistance (Ohm) 44 48
PSRR (dB)
-30 -40 G=+6dB -50 -60 -70 G=0dB
G=-18dB
20
0 16
100
1000 10000 Frequency (Hz)
100000
Figure 27: Spkout PSRR vs. frequency (Output modes 1, 3, 5, 7 input grounded)
0 -10 -20 -30
PSRR (dB)
Figure 30: HDout PSRR vs. frequency (Output modes 2, 3 input grounded)
0
Ouput mode 1, 3, 5, 7 RL = 8Ω Vripple=0.2Vpp Tamb = 25°C
PSRR (dB)
-10 -20 -30 -40 -50
Output mode 2, 3 Vcc=+3V RL = 32Ω Vripple=0.2Vpp Tamb = 25°C
G=-40.5dB G=-18dB G=-6dB G=+6dB G=+3dB G=0dB
-40 -50 -60 -70 -80 -90 100 Vcc=3V 1000 10000 Frequency (Hz) 100000 Vcc=5V
-60
100
1000 10000 Frequency (Hz)
100000
14/27
Electrical Characteristics
Figure 31: HDout PSRR vs. frequency (Output modes 4, 5 inputs grounded)
0 -10 -20
PSRR (dB)
TS4855
Figure 34: HDout PSRR vs. frequency (Output modes 6, 7 inputs grounded)
0
G=-34.5dB G=-12dB G=0dB
-30 -40 G=+12dB -50 -60 100 G=+9dB
PSRR (dB)
Output mode 4, 5 Vcc=+5V RL = 32Ω Vripple=0.2Vpp Tamb = 25°C
-10
-20
Output mode 6, 7 Vcc=+3V RL = 32Ω Vripple=0.2Vpp Tamb = 25°C
G1=-40.5dB G2=-34.5dB G1=-18dB G2=-12dB
G1=+3dB G2=+9dB
-30 G1=+6dB G2=+12dB
G=+6dB
G1=-6dB G1=0dB G2=0dB G2=+6dB
-40
-50 1000 10000 Frequency (Hz) 100000 100 1000 10000 Frequency (Hz) 100000
Figure 32: HDout PSRR vs. frequency (Output modes 4, 5 inputs grounded)
0 -10 -20
PSRR (dB)
Figure 35: Spkout mute attenuation vs. frequency (Output modes 2, 4, 6)
0
Mute attenuation (dB)
Output mode 4, 5 Vcc=+3V RL = 32Ω Vripple=0.2Vpp Tamb = 25°C
-10 -20 -30 -40 -50 -60 -70 -80 -90 Vcc=3V Vcc=5V
Ouput mode 2, 4, 6 RL = 8Ω VinPIHF=1Vrms BW < 125kHz Tamb = 25°C
G=-34.5dB G=-12dB G=0dB
-30 -40 -50 -60
G=+12dB
G=+9dB G=+6dB
-100
100
1000 10000 Frequency (Hz)
100000
100
1000 Frequency (Hz)
10000
Figure 33: HDout PSRR vs. frequency (Output modes 6, 7 inputs grounded)
0 -10 -20
PSRR (dB)
Figure 36: Spkout frequency response (Output modes 1, 3, 5, 7)
12
Output level (dB)
Output mode 6, 7 Vcc=+5V RL = 32Ω Vripple=0.2Vpp Tamb = 25°C
G1=-40.5dB G2=-34.5dB G1=-18dB G2=-12dB
10 8 6 4 2 0 20 Ouput mode 1, 3, 5, 7 RL = 8Ω Cin=220nF VinPIHF=0.2Vrms BW < 125kHz Tamb = 25°C 100 1000 Frequency (Hz) 10000 Vcc=3V Vcc=5V
G1=+3dB G2=+9dB
-30 -40 -50 -60 G1=+6dB G2=+12dB G1=-6dB G1=0dB G2=0dB G2=+6dB
100
1000 10000 Frequency (Hz)
100000
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Figure 37: HDout frequency response (Output modes 2, 3 G=+6dB)
6 5
Output level (dB)
Electrical Characteristics
Figure 40: HDout -3dB lower cut-off frequency vs. input capacitor (Output modes 2, 3, 4, 5, 6, 7)
40
Vcc=5V Vcc=3V
Lower -3dB Cut Off Frequency (Hz)
30
Typical Input Impedance Minimum Input Impedance
4 3 2 1 0 20 Ouput mode 2, 3 RL = 32Ω Cin=220nF VinPHS=0.2Vrms G=+6dB BW < 125kHz Tamb = 25°C 100 1000 Frequency (Hz) 10000
Phone In HS Input Rin & Lin Inputs All gain setting Tamb=25°C
20 Maximum Input Impedance 10
0 0.1
0.2
0.3
0.4 0.5 0.6 0.7 Input Capacitor ( F)
0.8
0.9
1.0
Figure 38: HDout frequency response (Output modes 4, 5 G=+12dB)
12 10
Output level (dB)
Figure 41: HDout -3dB lower cut-off freq. vs. gain setting (Output modes 2, 3, 4, 5, 6, 7)
100 Phone In Hs / Rin & Lin Inputs Tamb=25°C
Lower -3dB Cut Off Frequency (Hz)
Cin=100nF
Vcc=5V Vcc=3V
8 6 4 2 0 20 Ouput mode 4, 5 RL = 32Ω Cin=220nF VinR/L=0.2Vrms G=+12dB BW < 125kHz Tamb = 25°C 100 1000 Frequency (Hz) 10000
Cin=220nF
10
Cin=1µF
Cin=470nF
1 -34.5 -40.5
-20 -36 Gain Setting (dB)
0 -6
12 6
Figure 39: Spkout -3dB lower cut off freq. vs. input capacitor (Output modes 1, 3, 5, 7)
Flip-Chip Package Power Dissipation (W)
Figure 42: Power derating curves
1.4 1.2 1.0 0.8 0.6 0.4 No Heat sink 0.2 0.0 Heat sink surface = 125mm
2
100
Lower -3dB Cut Off Frequency (Hz)
80
Typical Input Impedance Minimum Input Impedance
Phone In IHF Input Tamb=25°C
60
40
Maximum Input Impedance
20
0 0.1
0.2
0.3
0.4 0.5 0.6 0.7 Input Capacitor ( F)
0.8
0.9
1.0
0
25
50
75
100
125
150
Ambiant Temperature ( C)
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Electrical Characteristics
Figure 43: Spkout SNR vs. power supply voltage, unweighted filter, BW = 20 Hz to 20 kHz
110 108 106 104
SNR (dB)
TS4855
Figure 46: HDout SNR vs. power supply voltage, weighted filter A, BW=20Hz to 20kHz
100
102 100 98 96 94 92 90 1 2 3
Vcc = 3V Vcc = 5V RL=8Ω Unweighted filter (20Hz to 20kHz) THD + N < 0.7% Tamb = 25°C
SNR (dB)
98 96 94 92 90 88 86 84 82
Vcc = 3V Vcc = 5V RL = 32Ω G=+6dB Weighted filter A (20Hz to 20kHz) THD + N < 0.7% Tamb = 25°C
4 5 Output Mode
6
7
80
1
2
3
4 5 Output Mode
6
7
Figure 44: Spkout SNR vs. power supply voltage, weighted filter A, BW = 20 Hz to 20 kHz
110 108 106
SNR (dB)
Figure 47: HDout SNR vs. Power supply voltage, unweighted filter, BW=20Hz to 20kHz
100
104 102 100 98 96
SNR (dB)
Vcc = 3V Vcc = 5V RL=8Ω Weighted filter A (20Hz to 20kHz) THD + N < 0.7% Tamb = 25°C
Vcc = 3V Vcc = 5V RL = 32Ω 94 G=+12dB Unweighted filter 92 (20Hz to 20kHz) 90 THD + N < 0.7% Tamb = 25°C 88 98 96 86 84 82 80
1
2
3
4 5 Output Mode
6
7
1
2
3
4 5 Output Mode
6
7
Figure 45: HDout SNR vs. power supply voltage, unweighted filter, BW= 20 Hz to 20 kHz
100 98 96 94 Vcc = 3V Vcc = 5V RL = 32Ω G=+6dB Unweighted filter (20Hz to 20kHz) THD + N < 0.7% Tamb = 25°C
Figure 48: HDout SNR vs. power supply voltage, weighted filter A, BW = 20 Hz to 20 kHz
100 98 96 Vcc = 3V Vcc = 5V RL = 32Ω 94 G=+12dB Weighted filter A 92 (20Hz to 20kHz) 90 THD + N < 0.7% Tamb = 25°C 88 86 84 82 80
SNR (dB)
90 88 86 84 82 80 1 2 3
SNR (dB)
92
4 5 Output Mode
6
7
1
2
3
4 5 Output Mode
6
7
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TS4855
Figure 49: HDout SNR vs. power supply voltage, unweighted filter, BW = 20 Hz to 20 kHz)
100 98 96 94 Vcc = 3V Vcc = 5V RL = 32Ω G=+6dB and +12dB Unweighted filter (20Hz to 20kHz) THD + N < 0.7% Tamb = 25°C
Electrical Characteristics
Figure 52: Power dissipation vs. output power: speaker output
1.4 Vcc=5V 1.2 F=1kHz THD+N