j NJM2151A MONAURAL POWER AMP. & HEADPHONE POWER AMP. IC ■ GENERAL DESCRIPTION The NJM2151A is a monaural audio power amplifier and stereo headphone amplifier for wide voltage operation. The NJM2151A was stereo headphone power amplifier for low distortion single-end output , and monaural power amplifier for high power bridge(BTL). The NJM2151A operate low voltage supply , low operating current and low power-down current. The NJM2151A includes MUTE , SUSPEND mode, and suitable for NOTE PC, PDA, CAMCODER, and other battery equipment. The NJM2151AVF1 is packaged in the power package. ■ FEATURES ●Operating Voltage (2.7V to 9.0V) ●Electric Volume Function (Headphone Amplifier) ●LINE Input Mode ●System BEEP Input (Headphone) ●BEEP Level Control Function ●BEEP Input (Monaural Amplifier) ●Suspend Mode (Monaural Amplifier , Headphone Amplifier) ●Mute Mode (Headphone Amplifier) ●Bipolar Technology ●Package Outline NJM2151A: DMP20,SSOP20,SSOP20-F1 ■ PACKAGE OUTLINE NJM2151AM NJM2151AV NJM2151AVF1 ■ PIN CONFIGURATION 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 PIN CONFIGURATION 1. EVR 2. LINE IN L 3. MUTE 4. LINE IN R 5. BEEP BIAS 6. SYS.BEEP IN 7. SP.IN 8. BEEP IN 9. HP.SUSPEND 10.SP.SUSPEND 11.SP.GND 12.LM 13.SP.OUT 2 14.SP.OUT 1 15.BEEP LEVEL + 16.SP.V 17.HP.GND 18.HP.OUT R 19.HP.OUT L + 20.HP.V j NJM2151A ■ ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL + Supply Voltage V Power Dissipation Operating Temperature Range Storage Temperature Range PD Topr Tstg RATINGS 15 (DMP) 375 (SSOP) 375 (SSOP-F1) 750 -40 to +85 -50 to +150 (Ta=25°C) UNIT V ■ RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL TEST CONDITION Operating Voltage Vopr +2.7 to +9.0 + mW °C °C (Ta=25°C) UNIT V + ■ ELECTRICAL CHARACTERISTICS (HP V =SP, V =5V,Ta=25°C) ● Operating Current PARAMETER SYMBOL TEST CONDITION Operating Current Iq No Signal :IqHP+IqSP Operating Current Iqs No Signal :IqHP+IqSP,VHS=L,VSS=L (Suspend Mode) ● HEADPHONE 1 (INPUT:LINE IN L/R,OUTPUT:HP OUT L/R) PARAMETER SYMBOL TEST CONDITION Output Voltage Level Vohp1 Vin=-10.0dBV Total Harmonic Distortion THDhp Vin=-10.0dBV (note1) Vin=-10.0dBV (note2), EVR Adjustable Range Gevr +→ Vevr=HP V GND Maximum Output Level Vomhp THD=1% (note1) Output Remain Vonhp Rg=1kΩ (note2) Crosstalk CThp Vin=-10dBV (note2) Muting Level MThp Vin=-10dBV:VM=H (note2) ● HEADPHONE 2 (INPUT:SYSTEM BEEP IN,OUTPUT:HP OUT L/R) PARAMETER SYMBOL TEST CONDITION Output Voltage Level Vohp2 Vin=3.0Vp-p Input Threshold Level VTHHP MIN. - TYP. 3.0 MAX. 5.0 UNIT mA - 252 422 µA MIN. -7.4 - TYP. -4.0 0.1 MAX. -1.5 1.0 UNIT dBV % 70 90 - dB +0.6 -80 -79 -94 -73 -70 -83 dBV dBV dBV dBV TYP. 0.32 - MAX. 0.42 5.00 UNIT Vp-p Vp-p -1.6 - MIN. 0.22 4.50 j NJM2151A ● SPEAKER AMP1 (INPUT:SP IN,OUTPUT:SP OUT1/2) PARAMETER SYMBOL TEST CONDITION Output Voltage Level Vosp Vin=-10.0dBV Total Harmonic Distortion THDsp Vin=-10.0dBV (note1) Maximum Output Level VOMsp THD=3% (note1) MIN. -1.4 +3.5 TYP. +2.0 0.7 +5.7 MAX. +4.5 2.0 - UNIT dBV % dBV Output Remain Noise Vonsp Rg=1kΩ (note2) - -82 -78 dBV Line Mix Off Level Vooffsp Vin=-12dBV,VL=H (note2) - -78 -70 dBV MIN. -7.4 TYP. -4.0 MAX -1.5 UNIT dBV MIN. GND 1.5 TYP. - MAX. 0.4 + V UNIT V V HEADPHONE SUSPEND CONTROL (9pin:HPSUS-CTRL) PARAMETER SYMBOL TEST CONDITION HP Suspend On VHPSL HP Suspend Off VHPSH MIN. GND 1.5 TYP. - MAX. 0.4 + V UNIT V V SPEAKER SUSPEND Control (10pin:SPSUS-CTRL) PARAMETER SYMBOL TEST CONDITION SP Suspend On VSPSL SP Suspend Off VSPSH MIN. GND 1.5 TYP. - MAX. 0.4 + V UNIT V V LINE MIX ON/OFF Control (12pin:LINE MIX ON/OFF CTRL) PARAMETER SYMBOL TEST CONDITION Line Mix On VLL Line Mix Off VLH MIN. GND 1.5 TYP. - MAX. 0.4 + V UNIT V V ● SPEAKER AMP2 (INPUT:PM BEEP IN,OUTPUT:SP OUT 1/2) PARAMETER SYMBOL TEST CONDITION Output Level Vosp2 Vin=-10.0dBV (noet1):B.W.=0.4 to 30kHz ,(note2):CCIR ● CONTROL BLOCK MUTE CONTROL (3pin:MUTE-CTRL) PARAMETER SYMBOL HP Mute Off VML HP Mute On VMH TEST CONDITION (Note) Unless specified, tested with next mode below. FUNCTION SYMBOL PIN.No EVR Control Vevr 1pin Mute Control VM 3pin Headphone Suspend Control VHS 9pin Speaker Suspend Control VHS 10pin Line Mix Control VL 12pin CONDITION + Vevr=V VM=L VHS=H VSS=H VL=L STATUS EVR=Max Mute Off Suspend Off Suspend Off Line Mix On j NJM2151A ■ BLOCK DIAGRAM 20 19 18 17 16 15 14 13 12 11 HP.V+ SP.V+ + VR VR SP. SUSPEND + + 1 2 + HP. SUSPEND 3 4 5 6 7 8 9 10 + ■ PIN FUNCTION (SP V =3.0V,HP V =3.0V) PIN No. SYMBOL FUNCTION 1 2 EVR LINE-IN-L EVR Control Line Lch Input PIN VOLTAGE(V) 1.5 3 MUTE Headphone Mute Control 3.0 4 5 6 7 LINE-IN-R BEEP BIAS SYS.BEEP-IN SP.IN Line Rch Input Bias System BEEP Input Speaker Amp. Input 2.5 1.5 1.5 1.5 8 9 10 11 BEEP IN HP.SUSPEND SP.SUSPEND SP.GND Speaker BEEP Input Headphone Suspend Speaker Suspend Control GND for Speaker 1.5 0.0 12 LM Speaker Line Mix On/Off Control 3.0 13 SP.OUT2 BTL Invert Output 1.5 14 SP.OUT1 BTL Non-Invert Output 1.5 15 16 17 18 BEEP LEVEL + SP.V HP.GND HP.OUT R System BEEP Output Level Control Supply for Speaker GND for Headphone Headphone Rch Output 2.3 3.0 0.0 1.5 19 HP.OUT L Headphone Lch Output 1.5 20 HP.V Supply for Headphone 3.0 + EQUIVARENT CIRCUIT Base(PNP) Base(PNP) 100kΩ Pull Down Base(PNP) Base(PNP) 64kΩ Base(PNP) Base(PNP) Base(PNP) Base(PNP) Base(PNP) 100k ΩPull Up Base(PNP) Emitter Follower (NPN) Emitter Follower (NPN) C(PNP)-3kΩ Emitter Follower (NPN) Emitter Follower (NPN) - j NJM2151A ■ TEST CIRCUIT HP.V+ EVR HP.V+ 1 LINE-IN-L 27kΩ 2 + VR 19 0.47uF MUTE 1kΩ 3 LINE-IN-R 44 27kΩ 0.47uF 1kΩ 22uF SYS.BEEP IN + VR 1kΩ BEEP IN 1kΩ HP.OUT L 47uF 100Ω HP.OUT R 100Ω 17 SP.V+ 5 HP GND 390kΩ 15 SP.OUT 1 0.47uF 15kΩ 0.47uF + 7 14 0.47uF SP.OUT 2 8Ω 18kΩ 1kΩ SP.V+ 16 33kΩ SP IN 47uF 18 6 HP.SUSPEND 20 13 8 LM 9 HP.SUSPEND 12 10 SP.SUSPEND 11 SP.SUSPEND SP.GND ■ CONTROL TERMINAL EXPLANATION 1:MUTE CTRL (3pin) PARAMETER STATUS HP. Mute On H HP. Mute Off L NOTE HP.AMP. is not given off signal. HP.AMP. is given off signal. 2:HP.SUSPEND CTRL (9pin) PARAMETER STATUS HP. Suspend Off H HP. Suspend On L NOTE HP.AMP. is active. HP.AMP. is non-active. 3:SP.SUSPEND CTRL (10pin) PARAMETER STATUS SP. Suspend Off H SP. Suspend On L NOTE SP.AMP. is active. SP.AMP. is non-active. 4:LINE MIX ON/OFF CTRL (12pin) PARAMETER STATUS Line Mix Off H Line Mix On L NOTE Signal don’t get in SP.AMP. Signal get in SP.AMP. j NJM2151A ■ APPLICATION CIRCUIT + VE HP.V 1 + HP.V 20 + LINE L 2 + 19 VR L VM 18 3 R LINE R 4 + 17 VR + SP.V + 5 SP.V 16 + SYSTEM BEEP IN 6 15 SP.IN + 7 14 MONO. SPEAKER PM BEEP IN 8 13 VHS VL 9 HP.SUSPEND 12 10 SP.SUSPEND 11 VSS j NJM2151A ■ EQUIVARENT CIRCUIT PIN No. FUNCTION EQUIVARENT CIRCUIT PIN No. FUNCTION + + V V 1PIN 1 EQUIVARENT CIRCUIT 100KΩ EVR 6 SYS.BEEP IN 6PIN Vref FB 20KΩ 48KΩ GND GND + + V V 2PIN 7PIN 2 LINE-IN-L 7 SP.IN FB 30KΩ GND GND + + V V 20KΩ 8PIN 3 MUTE 8 3PIN BEEP-IN 20KΩ 100kΩ GND GND + To + V V 4PIN 4 LINE-IN-R 9 HP.SUSPE ND 9PIN 100KΩ GND GND + + V V 5PIN 5 BEEP BIAS 64KΩ 10 SP.SUSPE ND 10PIN GND 100KΩ GND j NJM2151A ■ EQUIVARENT CIRCUIT PIN No. FUNCTION 11 SP.GND EQUIVARENT CIRCUIT V PIN No. FUNCTION 16 SP.V 17 HP.GND EQUIVARENT CIRCUIT + + 100KΩ 12 LM 12PIN GND V + 13PIN 13 V + 18PIN 20KΩ SP.OUT 2 18 58KΩ HP.OUT R NFB NFB GND V 14PIN 14 GND + SP.OUT 1 V 19PIN 20KΩ NFB 19 HP.OUT L GND V 15 BEEP LEVEL GND 20 + HP.V 58KΩ NFB GND + 15PIN + MEMO [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights.