AN7531SA Datasheet, PDF (3/10 Pages) Panasonic Semiconductor – Headphone amplifier IC for portable equipment

AN7531SA
I Electrical Characteristics at T_a = 25°C
Parameter
Symbol
Conditions
Min Typ Max Unit
Standby current
Quiescent current 1
Quiescent current 2
Voltage gain 1
Voltage gain 2
Channel balance
Maximum output power
Total harmonic distortion
Output noise voltage
Channel cross-talk
Ripple rejection
Mute attenuation
Beep sound output voltage
Boosting amount
ALC detection level
I_STB
I_CQ1
I_CQ2
G_V1
G_V2
CB
P_O
THD
V_NO
CT
RR
MT
V_BEEP
B_ST
V_ALC
V_IN = 0 mV, STB: On
 0.1 5 µA
V_IN = 0 mV, C-CUP: On
 1.5 3.0 mA
V_IN = 0 mV, C-CUP: Off
 2.0 4.0 mA
V_OUT = −22 dBV, ATT: On
5.5 8.3 10.5 dB
V_OUT = −22 dBV, ATT: Off
14 15.9 18 dB
V_OUT = −22 dBV
−1.0 0 1.0 dB
THD = 10%, V_CC = 2 V
5.0 9.0  mW
V_OUT = −12.2 dBV
 0.1 0.5 %
R_g = 600 Ω
 −94.5 −88 dBV
V_OUT = −12.2 dBV
30 50  dB
V_CC = 1.8 V, f_r = 100 Hz, V_r = −20 dBV 64 72  dB
V_OUT = −12.2 dBV
68 78  dB
V_BEEP-IN = 0 dBV
−56 −51 −46 dBV
V_OUT = −30 dBV, f = 100 Hz
9.7 11.7 13.7 dB
V_IN = −20 dBV
−41.5 −39.5 −37.5 dBV
Note) Condition: V_CC = 2.4 V, R_L = 16 Ω, f = 1 kHz, R_g = 10 kΩ, STB: On, Mute: Off, C-CUP: Off, ATT: Off, ALC: Off, BST: Off
*1: Measurement using A curve filter
*2: Measurement using 30 kHz LPF
I Application Notes
1. P_D  T_a curves of SSOP024-P-0300B
900
P_D  T_a
800
Mounted on standard board
740
(glass epoxy: 50 mm × 50 mm × t0.08 mm)
700
Rth(j-a) = 135.1°C/W
600
500
400
390
300
Independent IC
without a heat sink
200 Rth(j-a) = 256.4°C/W
100
0
0
25
50
75
100
125
Ambient temperature T_a (°C)
SDC00038CEB
3