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MONAURAL POWER AMP. & HEADPHONE POWER AMP. IC
NJM2151A
GENERAL DESCRIPTION
■
NJM2151A
The
stereo headphone amplifier for wide voltage operation.
NJM2151A
The
for low distortion single-end output , and m onaural power
amplifier for high power bridge(BTL).
NJM2151A
The
operating current and low power-down current.
NJM2151A
The
suitable for NOTE PC, PDA, CAMCODER, and other
battery equipment.
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
PIN CONFIGURATION
■
NJM2151AVF1
The
is a monaural audio power amplifier and
was stereo headphone power amplifier
operate low voltage supply , low
includes MUTE , SUSPEND mode, and
is packaged in the p ower packa ge .
PACKAGE OUTLINE
■■■■
NJM2151AM
NJM2151AV
NJM2151AVF1
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
14
13
12
11 10
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
+
+
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ABSOLUTE MAXIMUM RATINGS
■
Supply Voltage V
Power Dissipation P
Operating Temperature Range
Storage Temperature Range
RECOMMENDED OPERATING CONDITIONS
■
PARAMETER SYMBOL TEST CONDITION UNIT
Operating Voltage Vopr +2.7 to +9.0 V
ELECTRICAL CHARACTERISTICS
■
Operating Current
●
Operating Current Iq No Signal :IqHP+IqSP - 3.0 5.0 mA
Operating Current
(Suspend Mode)
NJM2151A
(Ta=25°C)
PARAMETER SYMBOL RATINGS UNIT
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Iqs No Signal :IqHP+IqSP,V
+
(DMP) 375
D
Topr -40 to +85
Tstg -50 to +150
(HP V
(SSOP) 375
(SSOP-F1) 750
+
=SP, V+=5V,Ta=25° C)
15 V
mW
°C
°C
(Ta=25°C)
=L,VSS=L - 252 422
HS
µ A
HEADPHONE 1
●
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Output Voltage Level Vohp1 Vin=-10.0dBV -7.4 -4.0 -1.5 dBV
Total Harmonic Distortion THDhp Vin=-10.0dBV (note1) - 0.1 1.0 %
EVR Adjustable Range Gevr
Maximum Output Level Vomhp THD=1% (note1) -1.6 +0.6 - dBV
Output Remain Vonhp
Crosstalk CThp Vin=-10dBV (note2) - -79 -70 dBV
Muting Level MThp Vin=-10dBV:VM=H (note2) - -94 -83 dBV
HEADPHONE 2
●
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Output Voltage Level Vohp2 Vin=3.0Vp-p 0.22 0.32 0.42 Vp-p
Input Threshold Level V
(INPUT:LINE IN L/R,OUTPUT:HP OUT L/R)
Vin=-10.0dBV (note2),
Vevr=HP V
Rg=1kΩ (note2)
(INPUT:SYSTEM BEEP IN,OUTPUT:HP OUT L/R)
THHP
+
→
GND
70 90 - dB
-- 8 0- 7 3d B V
4.50 - 5.00 Vp-p
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SPEAKER AMP1
●●●●
NJM2151A
(INPUT:SP IN,OUTPUT:SP OUT1/2)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Output Voltage Level Vosp Vin=-10.0dBV -1.4 + 2.0 +4.5 dBV
Total Harmonic Distortion THDsp Vin=-10.0dBV (note1) - 0.7 2.0 %
Maximum Output Level VOMsp THD=3% (note1) +3.5 +5.7 - dBV
Output Remain Noise Vonsp
Rg=1kΩ (note2)
-- 8 2- 7 8d B V
Line Mix Off Level Vooffsp Vin=-12dBV,VL=H (note2) - -78 -70 dBV
SPEAKER AMP2
●
(INPUT:PM BEEP IN,OUTPUT:SP OUT 1/2)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX UNIT
Output Level Vosp2 Vin=-10.0dBV -7.4 -4.0 -1.5 dBV
(noet1):B.W.=0.4 to 30kHz ,(note2):CCIR
CONTROL BLOCK
●●●●
MUTE CONTROL
(3pin:MUTE-CTRL)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
HP Mute Off V
HP Mute On V
ML
MH
GND - 0.4 V
1.5 - V
+
V
HEADPHONE SUSPEND CONTROL
(9pin:HPSUS-CTRL)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
HP Suspend On V
HP Suspend Off V
HPSL
HPSH
SPEAKER SUSPEND Control
(10pin:SPSUS-CTRL)
GND - 0.4 V
1.5 - V
+
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
SP Suspend On V
SP Suspend Off V
LINE MIX ON/OFF Control
SPSL
SPSH
(12pin:LINE MIX ON/OFF CTRL)
GND - 0.4 V
1.5 - V
+
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Line Mix On V
Line Mix Off V
LL
LH
GND - 0.4 V
1.5 - V
+
(Note) Unless specified, tested with next mode below.
FUNCTION SYMBOL PIN.No CONDITION STATUS
EVR Control Vevr 1pin Vevr=V
+
EVR=Max
Mute Control VM 3pin VM=L Mute Off
Headphone Suspend Control V
Speaker Suspend Control V
Line Mix Control V
HS
HS
L
9pin VHS=H Suspend Off
10pin VSS=H Suspend Off
12pin VL=L Line Mix On
V
V
V