TS4962 ST Microelectronics, Inc., TS4962 Datasheet

Page 1

... A POP & CLICK reduction circuitry provides low on/off switch noise while allowing the device to start within 5ms. A standby function (active low) allows to lower the current consumption to 10nA typ. The TS4962 is available in a flip-chip package of 9 bumps of 300um diameter. Applications Cellular Phone PDA ...

Page 2

... TS4962 1 Absolute Maximum Ratings Table 1: Key parameters and their absolute maximum ratings Symbol 1 VCC Supply voltage V 2 Input Voltage i T Operating Free Air Temperature Range oper T Storage Temperature stg T Maximum Junction Temperature j R Thermal Resistance Junction to Ambient thja Power Dissipation Pd ESD ...

Page 3

... Application Components Information 2 Application Components Information Components Bypass supply capacitor. To install as close as possible of the TS4962 to minimize high frequency rip- Cs ple. A 100nF ceramic capacitor should be add to enhance the power supply filtering in high frequency. Rin Input resistor to program the TS4962 gain (Gain = 300/Rin with rin Input Capaci- Thanks to common mode feedback, these input capacitors are optional ...

Page 4

... TS4962 3 Electrical Characteristics Table +5V, GND = 0V Symbol Supply Current input signal, no load 1 Standby Current I STANDBY No input signal, V Output Offset Voltage Voo No input signal, R Output Power, G=6dB THD = 2% Max 1kHz THD = 1% Max 1kHz, R Total Harmonic Distortion + Noise Po = 900 mW THD + N ...

Page 5

... 15µ 15µ 30µ 30µ 30µ 30µ Filter Filter Filter Filter L TS4962 1 Min. Typ. Max. Unit 2 1000 1 240 k 300k 360 k V/V ---------------- - ----------------- - ---------------- - ...

Page 6

... TS4962 Table +3.6V, GND = 0V Symbol Supply Current input signal, no load 2 Standby Current I STANDBY No input signal, V Output Offset Voltage Voo No input signal, R Output Power, G=6dB THD = 2% Max 1kHz THD = 1% Max 1kHz, R Total Harmonic Distortion + Noise Po = 500 mW THD + 15µH, BW < 30kHz ...

Page 7

... Filter Filter Filter L 1 Min. Typ. 1 0.7 0 6dB, 54 240 k 300k ---------------- - ----------------- - 240 300 250 TS4962 Max. Unit mA 1000 360 k V/V ---------------- - n Ri 360 k kHz RMS 7/24 ...

Page 8

... TS4962 Table +2.5V, GND = 0V Symbol Supply Current input signal, no load 1 Standby Current I STANDBY No input signal, V Output Offset Voltage Voo No input signal, R Output Power, G=6dB THD = 2% Max 1kHz THD = 1% Max 1kHz, R Total Harmonic Distortion + Noise Po = 200 mW THD + 15µH, BW < 30kHz ...

Page 9

... Filter = LC output filter (1µF+30µH for 4 and 0.5µF+60µH for 8 ) Figure 2: Test diagram for measurements 1uF Cs1 GND Cin Rin 150k Cin Rin 150k Vcc 100nF Cs2 + GND Out+ In+ 15uH or 30uH TS4962 LC Filter In- Out- GND Audio Measurement Bandwidth < 30kHz Ohms 5th order or 50kHz low pass RL filter TS4962 9/24 ...

Page 10

... TS4962 Figure 3: Current consumption vs power supply voltage 2.5 No load Tamb=25 C 2.0 1.5 1.0 0.5 0 Power Supply Voltage (V) Figure 4: Current consumption vs standby voltage 2.5 2.0 1.5 1.0 0.5 0 Standby Voltage (V) Figure 5: Current consumption vs standby voltage 2.0 1.5 1.0 0.5 0.0 0.0 0.5 1.0 1.5 Standby Voltage (V) 10/24 Figure 6: Output offset voltage vs common Figure 7: Efficiency vs output power 100 80 60 ...

Page 11

... Vcc=5V 20 RL=8 100 F=1kHz THD 0.8 1.0 0.0 Power Dissipation Efficiency Vcc=3V RL=8 F=1kHz THD+N 1% 0.1 0.2 0.3 0.4 Output Power (W) Efficiency Power Dissipation Vcc=5V RL=8 + F=1kHz THD+N 1% 0.2 0.4 0.6 0.8 Output Power (W) Efficiency Power Vcc=3V Dissipation RL=8 + F=1kHz THD+N 1% 0.1 0.2 0.3 0.4 Output Power (W) TS4962 200 100 0 0.5 150 100 1 0.5 11/24 ...

Page 12

... TS4962 Figure 15: Output power vs power supply voltage 3 1kHz 2.5 BW < 30kHz Tamb = 25 C THD+N=10% 2.0 1.5 1.0 0.5 0.0 2.5 3.0 3.5 Vcc (V) Figure 16: Output power vs power supply voltage 2 1kHz BW < 30kHz 1.5 Tamb = 25 C THD+N=10% 1.0 0.5 0.0 2.5 3.0 3.5 Vcc (V) Figure 17: PSRR vs frequency 0 Vripple = 200mVpp -10 Inputs = Grounded G = 6dB, Cin = 4.7 F -20 ...

Page 13

... Tamb = 25 C -30 -40 -50 -60 -70 -80 0.0 0.5 1.0 10000 20k Figure 26: CMRR vs frequency 0 RL=4 G=6dB Vicm=500mVpp Cin=4.7 F -20 Tamb = 25 C -40 -60 20 10000 20k TS4962 Vcc=3V Vcc=5V 100 1000 10000 Frequency (Hz Vcc=2.5V Vcc=3.3V Vcc=5V 1.5 2.0 2.5 3.0 3.5 4.0 4.5 Common Mode Input Voltage (V) Vcc=5V, 3V 100 1000 10000 20k Frequency (Hz) 20k 5 ...

Page 14

... TS4962 Figure 27: CMRR vs frequency 0 RL G=6dB Vicm=500mVpp Cin=4.7 F -20 Tamb = 25 C -40 Vcc=5V, 3V -60 20 100 1000 Frequency (Hz) Figure 28: CMRR vs frequency 0 RL G=6dB Vicm=500mVpp -20 Cin=4.7 F Tamb = 25 C -40 Vcc=5V, 3V -60 20 100 1000 Frequency (Hz) Figure 29: CMRR vs frequency 0 RL=4 + Filter G=6dB Vicm=500mVpp -20 Cin=4.7 F Tamb = 25 C -40 Vcc=5V, 3V -60 ...

Page 15

... Vcc= 1kHz G = 6dB BW < 30kHz Tamb = 25 C Vcc=2.5V 1 0.1 1E-3 0.01 0.1 Output Power ( Filter Vcc= 1kHz G = 6dB BW < 30kHz Tamb = 25 C Vcc=2.5V 1 0.1 1E-3 0.01 0.1 Output Power ( Vcc= 1kHz G = 6dB Vcc=3.3V BW < 30kHz Tamb = 25 C Vcc=2.5V 1 0.1 1E-3 0.01 0.1 Output Power (W) TS4962 15/24 ...

Page 16

... TS4962 Figure 39: THD+N vs output power 1kHz G = 6dB Vcc=3.3V BW < 30kHz Tamb = 25 C Vcc=2.5V 1 0.1 1E-3 0.01 Output Power (W) Figure 40: THD+N vs output power 1kHz G = 6dB Vcc=3.3V BW < 30kHz Tamb = 25 C Vcc=2.5V 1 0.1 1E-3 0.01 Output Power (W) Figure 41: THD+N vs output power Filter ...

Page 17

... Figure 49: THD+N vs frequency 10 RL=4 + Filter G=6dB Bw < 30kHz Vcc=2.5V 1 Tamb = 25 C 0.1 10000 20k 0.01 200 Figure 50: THD+N vs frequency 10 RL G=6dB Bw < 30kHz Vcc=5V Tamb = 0.1 10000 20k 200 TS4962 Po=1W Po=0.5W 1000 10000 20k Frequency (Hz) Po=0.3W Po=0.1W 1000 10000 20k Frequency (Hz) Po=0.9W Po=0.45W 1000 10000 20k Frequency (Hz) 17/24 ...

Page 18

... TS4962 Figure 51: THD+N vs frequency 10 RL G=6dB Bw < 30kHz Po=0.5W Vcc=3.6V 1 Tamb = 25 C 0.1 Po=0.25W 0.01 200 1000 Frequency (Hz) Figure 52: THD+N vs frequency 10 RL G=6dB Bw < 30kHz Po=0.2W Vcc=2.5V 1 Tamb = 25 C 0.1 Po=0.1W 0.01 200 1000 Frequency (Hz) Figure 53: THD+N vs frequency 10 RL G=6dB Bw < 30kHz Vcc=5V Tamb = 25 C Po=0.9W 1 Po=0.45W 0.1 200 1000 ...

Page 19

... Figure 61: Gain vs frequency RL=4 + Filter G=6dB 2 Vin=500mVpp Cin=1 F Tamb = 10000 20k 20 Figure 62: Gain vs frequency RL=8 G=6dB 2 Vin=500mVpp Cin=1 F Tamb = 10000 20k 20 TS4962 Vcc=5V, 3V 100 1000 10000 20k Frequency (Hz) Vcc=5V, 3V 100 1000 10000 20k Frequency (Hz) Vcc=5V, 3V 100 1000 10000 20k Frequency (Hz) 19/24 ...

Page 20

... TS4962 Figure 63: Gain vs frequency 8 6 Vcc=5V RL G=6dB 2 Vin=500mVpp Cin=1 F Tamb = 100 1000 Frequency (Hz) Figure 64: Gain vs frequency 8 6 Vcc=5V RL G=6dB 2 Vin=500mVpp Cin=1 F Tamb = 100 1000 Frequency (Hz) Figure 65: Gain vs frequency 8 6 Vcc=5V RL=8 + Filter G=6dB ...

Page 21

... Figure 70: Startup & shutdown time Vcc=3V, G=6dB Vo1 Vo2 Standby Vo1-Vo2 Figure 71: Startup & shutdown time Vcc=5V, G=6dB, NoC Vo1 Vo2 Standby Vo1-Vo2 Figure 72: Startup & shutdown time =100nF (5ms/div) Standby =100nF (5ms/div) (5ms/div) IN Vcc=3V, G=6dB, NoC (5ms/div) IN Vo1 Vo2 Vo1-Vo2 TS4962 21/24 ...

Page 22

... TS4962 4 Package Mechanical Data 4.1 9 CONNECTIONS - Flip-Chip 300 m bump diam. Figure 73: Pin out (top view 1/A1 1/ 4/B1 4/ 7/C1 7/C1 Figure 74: Marking (top view) A62 A62 YWW YWW 22/24 GND GND OUT OUT - - 2/A2 2/A2 3/A3 3/A3 Balls are underneath V V GND GND DD DD 5/B2 5/B2 6/B3 6/B3 STBY STBY OUT OUT ...

Page 23

... Bump diameter : 315 Bump diameter before Reflow : 300 Bump height: 250 m Die Height: 350 m 1.60 mm 1.60 mm Pitch: 500 *Back Coating layer Height : 100 Coplanarity max * Optional 0.25mm 0.25mm 100µm 100µm 600µm 600µm TS4962 23/24 ...

Page 24

... TS4962 5 Revision History Date Revision 01 Nov 2004 1 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics ...