LM49352 Datasheet, PDF (14/112 Pages) Texas Instruments – Mono Class D Audio Codec Subsystem with Ground Referenced Headphone Amplifiers, Earpiece Driver, and Audio DSP

8.0 Absolute Maximum Ratings (Note
1, Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Analog Supply Voltage
(A_V_DD and LS_V_DD)
Digital Supply Voltage
D_V_DD
I/O Supply Voltage
I/O_V_DD
Headphone Supply Voltage
HP_V_DD
Storage Temperature
Power Dissipation (Note 3)
ESD Ratings
Human Body Model (Note 4)
HPR and HPL pins
All other pins
6.0V
2.2V
5.5V
3.0V
−65°C to +150°C
Internally Limited
8kV
2.5kV
Machine Model (Note 5)
Junction Temperature
Thermal Resistance
 θ_JA – RLA36 (soldered down
to PCB with 2in² 1oz. copper plane)
Soldering Information
See Applications Note AN-1112.
9.0 Operating Ratings
Temperature Range
Supply Voltage
A_V_DD, LS_V_DD, and AV_DD_REF
D_V_DD
I/O_V_DD
HP_V_DD
200V
150°C
60°C/W
−40°C to +85°C
2.7V to 5.5V
1.6V to 2.0V
1.6V to 4.5V
1.7V to 2.8V
O10_.V0_D^E_D ^{l=ec1t.r8icVal}(N^Cot^he 1^a,^rN^ao^cte^t2^e) ^risTh^te^icfo^sllo^:w^Aing^_s^Vpe^Dc^Dific⁼atio^Lns^Sa^_pp^Vly^Dfo^Dr
= 3.3V;
R_L(LS) = 8Ω,
HP_V_DD
R_L(HP) = 32Ω,
=
f=
D_V_DD =
1kHz, unless
I/
otherwise specified. Limits apply for T_A = 25°C.
Symbol
Parameter
Conditions
LM49352
Typical Limit
(Note 6) (Note 7)
Units
(Limit)
DC CHARACTERISTICS (Digital current combines D_V_DD and I/O_V_DD. Analog current combines A_V_DD, HP_V_DD, and
LS_V_DD)
Shutdown Mode,
DI_SD
Digital Shutdown Current
f_MCLK = 13MHz, PLL Off
2
µA
f_MCLK = 11.2896MHz, f_S = 44.1kHz,
Digital Active Current (MP3 Mode) Stereo DAC On, OSR_DAC = 64,
1.2
1.4
PLL Off, HP On
mA (max)
Digital Active Current (FM Mode)
f_MCLK = 13MHz
Analog Audio modes
0.2
0.5
mA (max)
DI_DD
Digital Active Current
(FM Record Mode)
f_MCLK = 12.288MHz, f_S = 48kHz,
Stereo ADC On, OSR_ADC = 128,
PLL Off, Stereo Analog Inputs On
1.3
1.5
mA (max)
Digital Active Current
(CODEC Mode)
AI_SD
Analog Shutdown Current
f_MCLK = 12.288MHz, f_S = 8kHz,
Mono ADC On, Mono DAC On,
OSR_DAC = 64
OSR_ADC = 128, PLL Off, MIC On
Shutdown Mode
0.5
0.8
0.1
5
mA (max)
μA (max)
13
www.national.com