LM4937RL/NOPB National Semiconductor, LM4937RL/NOPB Datasheet - Page 10

• Manufacturer Part Number: LM4937RL/NOPB
• Description: IC AUDIO SUBSYSTM 1.25W 36USMDXT
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4937RL/NOPB

• Output Type: 1-Channel (Mono) with Mono and Stereo Headphones
• Max Output Power X Channels @ Load: 1.25W x 1 @ 8 Ohm; 80mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, Differential Inputs, I²C, I²S, Mute, Shutdown, SPI, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 36-MicroSMDxt
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4937RLTR

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Output Noise AV
PSRR AV
PSRR AV
Dynamic Range and SNR. 3.0V
MODE
1
2
3
4
5
6
7
MODE
MODE
DD
DD
1
2
3
4
5
6
7
1
2
3
4
5
6
7
= 3.0V, f = 217Hz; V
= 5.0V. All gains set to 0dB. f = 217Hz; V
HP
EP
LS
DD
= 5.0V and AV
EP(Typ)
69
69
69
63
69
69
69
EP (Typ)
≤
ripple
EP
22
22
22
68
38
29
38
68
68
68
68
68
69
68
AV
DD
LS (Typ)
= 200mVp-p; C
DD
= 3.0V. All gains set to 0dB. Units in μV. A - weighted
76
76
76
62
68
70
68
DR (Typ)
≤
5.0V. All programmable gain set to 0dB. Units in dB.
95
95
97
TABLE 4. Dynamic Range and SNR
TABLE 2. PSRR AV
TABLE 3. PSRR AV
TABLE 1. Output Noise
B
LS (Limit)
ripple
= 2.2μF.
LS (Typ)
67
LS
22
22
22
88
48
34
48
72
72
72
66
69
72
69
= 200mVp-p; C
10
DD
DD
SNR (Typ)
= 3.0V
= 5.0V
HP (Typ)
B
85
85
85
72
72
72
55
61
64
61
= 2.2μF
HP OCL
HP (Typ)
46
24
18
24
71
71
71
69
70
71
70
8
8
8
HP (Limit)
68
Units
dB
dB
dB
Units
Units
μV
μV
μV
μV
μV
μV
μV
dB
dB
dB
dB
dB
dB
dB
Units
dB
dB
dB
dB
dB
dB
dB