lm4934rlx National Semiconductor Corporation, lm4934rlx Datasheet - Page 9

• Manufacturer Part Number: lm4934rlx
• Description: 3d Audio Sub-system With Stereo Speaker, Ocl/se Stereo Headphone, Earpiece And Mono Line Level Outputs
• Manufacturer: National Semiconductor Corporation

Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
functional but do not guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which
guarantee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit
is given, however, the typical value is a good indication of device performance.
Note 3: The maximum power dissipation must be derated at elevated temperatures and is dictated by T
allowable power dissipation is P
Note 4: Human body model: 100pF discharged through a 1.5kΩ resistor.
Note 5: Machine model: 220pF - 240pF discharged through all pins.
Note 6: Typicals are measured at 25˚C and represent the parametric norm.
Note 7: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 8: Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.
Note 9: Shutdown current is measured in a normal room environment.
Note 10: Internal DAC only with DAC modes 00 and 01.
Output Noise AV
PSRR AV
PSRR AV
Dynamic Range and SNR. 3V ≤ AV
MODE
MODE
MODE
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
DD
DD
Lineout
LS
= 3V. f = 217Hz; V
= 5V. All gains set to 0dB. f = 217Hz; V
DD
(Typ)
EP
69
69
69
63
69
69
69
= 5V and AV
DMAX
(Typ)
EP
EP
68
68
68
68
68
69
68
22
22
22
68
38
29
38
= (T
ripple
JMAX
(Typ)
LS
DD
71
71
71
62
68
70
68
DD
– T
= 3V. All gains set to 0dB. Units in µV. A - weighted
= 200mVp-p; C
A
DR (Typ)
≤ 5V. All programmable gain set to 0dB. Units in dB.
) / θ
100
95
TABLE 4. Dynamic Range and SNR
JA
(Typ)
or the number given in Absolute Maximum Ratings, whichever is lower.
LS
(Limit)
22
22
22
88
48
34
48
LS
72
72
72
66
69
72
69
TABLE 2. PSRR AV
TABLE 3. PSRR AV
LS
67
TABLE 1. Output Noise
B
ripple
= 2.2µF.
= 200mVp-p; C
HP OCL or
HP OCL or SE
HP OCL or SE
9
(Typ)
SE
72
72
72
55
61
64
61
(Typ)
11
11
11
46
24
18
24
71
71
71
69
70
71
70
DD
DD
SNR (Typ)
= 3V
= 5V
85
87
B
HP OCL or
= 2.2µF
(Limit)
JMAX
SE
68
,θ
JA
Lineout
Lineout
, and the ambient temperature, T
(Typ)
35
20
15
20
70
70
70
70
70
71
70
9
9
9
Lineout
(Typ)
70
70
70
68
69
70
69
Units
dB
dB
Units
Units
µV
µV
µV
µV
µV
µV
µV
dB
dB
dB
dB
dB
dB
dB
A
Units
. The maximum
www.national.com
dB
dB
dB
dB
dB
dB
dB