TS421ID ,360MW MONO AMPLIFIER WITH STANDBY MODEELECTRICAL CHARACTERISTICSV = +5V, GND = 0V, T = 25°C (unless otherwise specified) CC ambSymbol ..
TS421IQT ,360MW MONO AUDIO AMPLIFIER WITH STANDBY ACTIVE HIGHABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit1)V6VCC Supply voltage VInput Voltage -0.3 ..
TS421IST ,360MW MONO AMPLIFIER WITH STANDBY MODETS419TS421360mW MONO AMPLIFIER WITH STANDBY MODE■ OPERATING FROM Vcc=2V to 5.5V PIN CONNECTIONS (to ..
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TS431 ,LOW VOLTAGE ADJUSTABLE SHUNT REFERENCEABSOLUTE MAXIMUM RATINGS Symbol Parameter Value UnitVCathode to Anode Voltage 10 VKAIContinuou ..
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UA709 ,HIGH-PERFORMANCE OPERATIONAL AMPLIFIERapplications and for the generation of special
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ABSOLUT ..
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ABSOLUT ..
TS419IST-TS421ID-TS421IST
360MW MONO AMPLIFIER WITH STANDBY MODE
OPERATING FROM Vcc=2V to 5.5V�
STANDBY MODE ACTIVE HIGH (TS419) or LOW (TS421)� OUTPUT POWER into 16Ω: 367mW @ 5V with 10% THD+N max or 295mW @5V and
110mW @3.3V with 1% THD+N max.�
LOW CURRENT CONSUMPTION: 2.5mA max� High Signal-to-Noise ratio: 95dB(A) at 5V� PSRR: 56dB typ. at 1kHz, 46dB at 217Hz�
SHORT CIRCUIT LIMITATION� ON/OFF click reduction circuitry� Available in SO8, MiniSO8 & QFN3x3
DESCRIPTIONThe TS419/TS421 is a monaural audio power am-
plifier driving in BTL mode a 16 or 32Ω earpiece or
receiver speaker. The main advantage of this con-
figuration is to get rid of bulky ouput capacitors.
Capable of descending to low voltages, it delivers
up to 220mW per channel (into 16Ω loads) of con-
tinuous average power with 0.2% THD+N in the
audio bandwidth from a 5V power supply.
An externally controlled standby mode reduces
the supply current to 10nA (typ.). The TS419/
TS421 can be configured by external gain-setting
resistors or used in a fixed gain version.
APPLICATIONS� 16/32 ohms earpiece or receiver speaker driver� Mobile and cordless phones (analog / digital)� PDAs & computers� Portable appliances
ORDER CODE MiniSO & QFN only available in Tape & Reel with T suffix.
PIN CONNECTIONS (top view)
TS419TS421360mW MONO AMPLIFIER WITH STANDBY MODE
TS419-TS421
ABSOLUTE MAXIMUM RATINGS
OPERATING CONDITIONS All voltage values are measured with respect to the ground pin. Pd has been calculated with Tamb = 25°C, Tjunction = 150°C. TS419 stands 1.5KV on all pins except standby pin which stands 1KV. Attention must be paid to continous power dissipation (VDD x 300mA). Exposure of the IC to a short circuit for an extended time period is
dramatically reducing product life expectancy. The minimum current consumption (ISTANDBY) is guaranteed at VCC (TS419) or GND (TS421) for the whole temperature range. When mounted on a 4-layer PCB For more details on TWU, please refer to application note section on Wake-up time page 28.
TS419-TS421
FIXED GAIN VERSION SPECIFIC ELECTRICAL CHARACTERISTICSVCC from +5V to +2V, GND = 0V, Tamb = 25°C (unless otherwise specified)
APPLICATION COMPONENTS INFORMATION
TYPICAL APPLICATION SCHEMATICS:
TS419-TS421
ELECTRICAL CHARACTERISTICSVCC = +5V, GND = 0V, Tamb = 25°C (unless otherwise specified) Guaranteed by design and evaluation.
TS419-TS421
ELECTRICAL CHARACTERISTICSVCC = +3.3V, GND = 0V, Tamb = 25°C (unless otherwise specified)
1) All electrical values are guaranted with correlation measurements at 2V and 5V
TS419-TS421
ELECTRICAL CHARACTERISTICSVCC = +2.5V, GND = 0V, Tamb = 25°C (unless otherwise specified)
1) All electrical values are guaranted with correlation measurements at 2V and 5V
TS419-TS421
ELECTRICAL CHARACTERISTICSVCC = +2V, GND = 0V, Tamb = 25°C (unless otherwise specified) Guaranteed by design and evaluation.
TS419-TS421
Index of Graphs Note : All measurements made with Rin=20kΩ, Cb=1μF, and Cin=10μF unless otherwise specified.
TS419-TS421
Fig. 1: Open Loop Gain and Phase vs
Frequency
Fig. 3: Open Loop Gain and Phase vs
Frequency
Fig. 5: Open Loop Gain and Phase vs
Frequency
Fig. 2: Open Loop Gain and Phase vs
Frequency
TS419-TS421
Fig. 7: Open Loop Gain and Phase vs
Frequency
Fig. 9: Open Loop Gain and Phase vs
Frequency
Fig. 11: Open Loop Gain and Phase vs
Frequency
Fig. 8: Open Loop Gain and Phase vs
Frequency
Fig. 12: Open Loop Gain and Phase vs
Frequency
TS419-TS421
Fig. 13: Current Consumption vs Power Supply
Voltage
Fig. 15: Current Consumption vs Standby
Voltage
Fig. 17: Current Consumption vs Standby
Voltage
Fig. 14: Current Consumption vs Standby
Voltage
Fig. 16: Current Consumption vs Standby
Voltage
Fig. 18: Current Consumption vs Standby
Voltage
TS419-TS421
Fig. 19: Current Consumption vs Standby
Voltage
Fig. 21: Output Power vs Power Supply
Voltage
Fig. 23: Output Power vs Power Supply
Voltage
Fig. 20: Output Power vs Power Supply
Voltage
Fig. 22: Output Power vs Power Supply
Voltage
Fig. 24: Output Power vs Load Resistor
TS419-TS421
Fig. 25: Output Power vs Load Resistor
Fig. 27: Output Power vs Load Resistor
Fig. 29: Power Dissipation vs Output Power
Fig. 26: Output Power vs Load Resistor
Fig. 28: Power Dissipation vs Output Power
Fig. 30: Power Dissipation vs Output Power
TS419-TS421
Fig. 31: Power Dissipation vs Output Power
Fig. 33: Output Voltage Swing For One Amp. vs
Power Supply Voltage
Fig. 32: Power Derating Curves
Fig. 34: Low Frequency Cut Off vs Input
Capacitor for fixed gain versions
TS419-TS421
Fig. 35: THD + N vs Output Power
Fig. 37: THD + N vs Output Power
Fig. 39: THD + N vs Output Power
Fig. 36: THD + N vs Output Power
Fig. 38: THD + N vs Output Power
Fig. 40: THD + N vs Output Power
TS419-TS421
Fig. 41: THD + N vs Output Power
Fig. 43: THD + N vs Output Power
Fig. 45: THD + N vs Frequency
Fig. 42: THD + N vs Output Power
Fig. 44: THD + N vs Frequency
Fig. 46: THD + N vs Frequency
