HT82V736 Datasheet, PDF (2/9 Pages) Holtek Semiconductor Inc – Stereo Headphone Driver with Mute

HT82V736
Pin Description
Pin No. Pin Name
1
OUT1
2
MUTE
3
IN1
4
VSS
5
IN2
6
BIAS
7
OUT2
8
VDD
I/O
Description
O Channel 1 output pin
I Mute control (Mute On: low; Mute Off: high)
I Audio input channel 1
¾ Negative power supply, ground
I Audio input channel 2
I V_DD/2 connected a capacitor to ground to eliminate power On/Off clicks
O Channel 2 output pin
¾ Positive power supply
Absolute Maximum Ratings
Supply Voltage ..........................V_SS-0.3V to V_SS+7.0V
Input Voltage .............................V_SS-0_.3V to V_DD+0.3V
Storage Temperature ...........................-50°C to 125°C
Operating Temperature ..........................-40°C to 85°C
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those
listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-
ity.
Electrical Characteristics V_IN=0.5Vrms; Vss=0V; f=1kHz; Ta=25°C; R_L=32W (unless otherwise specified)
Symbol
Parameter
V_DD
Supply Voltage
I_Q
Quiescent Current
Test Conditions
V_DD
Conditions
¾
¾
5V V_IN=0Vrms
Min. Typ. Max. Unit
2.4
¾ 6.0
V
¾ 2.5 4.0 mA
I_MUTE
Mute Current
5V V_IN=0Vrms
¾ 100 ¾ mA
D.C. Characteristics
V_MUTE Mute Pin Control Voltage
5V
¾
0.3 0.7 1.6 V
DA_V
Differential Channel Voltage Gain 5V
¾
-0.5 0
0.5 dB
A_V
Voltage Gain
5V
¾
¾
6
¾ dB
PSRR Power Supply Rejection Ratio
P_O1
Rated Output Power 1
P_O2
Rated Output Power 2
A.C. Characteristics
5V f_RR=100Hz; V_RR=-20dBV
5V R_L=32W, THD<0.1%
5V R_L=16W, THD<0.1%
65 75 ¾ dB
60 65 ¾ mW
110 115 ¾ mW
THD
Total Harmonic Channel
Distortion Factor
5V BW=20~20kHz
¾ 0.02 0.05 %
ATT
Mute Attenuation
5V f=1kHz
80 90 ¾ dB
X_TALK Channel Separation
5V f=1kHz
55 70 ¾ dB
V_NO
Output Noise Voltage
5V V_IN=0Vrms, BW=20~20kHz ¾ -97 -90 dBV
Rev. 1.00
2
February 3, 2005