lm4921itlx National Semiconductor Corporation, lm4921itlx Datasheet - Page 5

• Manufacturer Part Number: lm4921itlx
• Description: Low Voltage I2s 16-bit Stereo Dac With Stereo Headphone Power Amplifiers And Volume Control
• Manufacturer: National Semiconductor Corporation

DV
AV
DI
AI
I
I
V
THD+N
P
PSRR
SNR
DR
ΔA
X
SD
SB
Symbol
FS
O
TALK
DD
Absolute Maximum Ratings
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please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility
Electrical Characteristics DV
The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T
DD
DD
DD
CH-CH
Human body model (Note 4)
Machine model (Note 5)
Digital Power Supply Voltage
Analog Power Supply Voltage
Digital Power Supply Quiescent
Current
Analog Power Supply Quiescent
Current
Total Shutdown Power Supply
Current
Standby Current
Full-Scale Output Voltage
Total Harmonic Distortion + Noise
Headphone Amplifier Output Power THD = (0.5%), f
Power Supply Rejection Ratio
Signal-to-Noise Ratio
Dynamic Range
Channel-to-Channel Gain Mismatch f
Channel-to-Channel Crosstalk
Volume Control Range
Volume Control Control Step Size
Mute Attenuation
Parameter
-0.3V to V
−65°C to +150°C
Internally Limited
Note 8
Note 8
R
R
SHUTDOWN SPI bits 1 & 2 set to
logic 0,
SPI, M
Analog and Digital together
All clocks off
Gain set at max
f
(Vol Control = 11111, I
get 12mW at output)
AV
V
f
A-weighted-f
f
A-weighted
f
f
Minimum Attenuation
Maximum Attenuation
(Notes 1, 2)
IN
IN
IN
IN
CONV
IN
DD
RIPPLE
Load
Load
= 1kHz, P
= 1kHz sinewave at -60dB
= 1kHz sinewave at -60dB
= 1kHz
= 1kHz sinewave at -3dB
DD
DD
= 3.0V, AV
=
=
C
= 44.1kHz,
+ 0.3V
2000V
CLK
200V
BYPASS
∞
∞
= 200mV
6.0V
, f
, f
and I
MLCK
MCLK
Conditions
CONV
OUT
= 2.0µF
2
OUT
5
= 11.2896MHz
= 0MHz
S inputs at GND
= 12mW
P-P
= 44.1kHz
= 1kHz
217Hz
Temperature Range
Supply Voltage
Junction Temperature
Thermal Resistance
θ
Operating Ratings
2
T
DV
AV
DD
S input adj to
JA
MIN
DD
DD
= 5.0V, R
≤
FS
FS
FS
T
,
,
A
≤
T
MAX
(Note 6)
Typical
L
-43.5
0.03
0.06
+3.0
-102
3.0
5.0
3.5
3.5
1.5
25
50
62
82
84
72
6
1
= 32Ω
LM4921
(Notes 7, 9)
(Notes 1, 2)
Limit
7.5
10
40
45
5
2.6V
2.6V
−40°C
A
= 25°C.
≤
≤
DV
AV
≤
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T
DD
DD
mA (max)
mA (max)
mW (min)
uA(max)
dB (min)
A
(Limits)
60°C/W
Units
≤
V
≤
≤
150°C
uA
dB
dB
dB
dB
dB
dB
dB
dB
%
V
V
P-P
85°C
5.0V
5.5V