Texas Instruments LM48310SDBD Evaluation Module LM48310SDBD/NOPB LM48310SDBD/NOPB 데이터 시트
제품 코드
LM48310SDBD/NOPB
SNAS430D – NOVEMBER 2007 – REVISED MAY 2013
ELECTRICAL CHARACTERISTICS V
DD
= PV
DD
= 5V
(continued)
The following specifications apply for A
V
= 12dB, (R
L
= 8
Ω
, SYNC_IN = V
DD
(Spread Spectrum mode), f = 1kHz, unless
otherwise specified. Limits apply for T
A
= 25°C.
LM48310
Units
Symbol
Parameter
Conditions
(Limits)
Typical
(3)
Limit
(4) (2)
V
IL
Logic Input Low Voltage
SD input, V
DD
= 3.6V
0.4
V (max)
T
WU
Wake Up Time
7.5
ms
SYNC_IN = V
DD
(Spread Spectrum)
300±30
kHz
SYNC_IN = GND (Fixed Frequency)
300
kHz
SYNC_IN = External Clock
f
SW
Switching Frequency
200
kHz
Minimum Frequency
SYNC_IN = External Clock
1000
kHz
Maximum Frequency
11
dB (min)
A
V
Gain
12
13
dB (max)
R
IN
Input Resistance
20
17
k
Ω
(min)
R
L
= 4
Ω
, THD = 10%
f = 1kHz, 22kHz BW
V
V
DD
= 5V
2.6
W
V
DD
= 3.6V
1.3
W
V
DD
= 2.5V
555
mW
R
L
= 8
Ω
, THD = 10% (max)
f = 1kHz, 22kHz BW
V
V
DD
= 5V
1.6
W
V
DD
= 3.6V
800
mW
V
DD
= 2.5V
354
mW
P
O
Output Power
R
L
= 4
Ω
, THD = 1% (max)
f = 1kHz, 22kHz BW
V
V
DD
= 5V
2.1
W
V
DD
= 3.6V
1
W
V
DD
= 2.5V
446
mW
R
L
= 8
Ω
, THD = 1% (max)
f = 1kHz, 22kHz BW
V
V
DD
= 5V
1.3
1.1
W (min)
V
DD
= 3.6V
640
mW
V
DD
= 2.5V
286
mW
P
O
= 200mW, R
L
= 8
Ω
, f = 1kHz
0.03
% (max)
THD+N
Total Harmonic Distortion + Noise
P
O
= 100mW, R
L
= 8
Ω
, f = 1kHz
0.03
%
V
RIPPLE
= 200mV
P-P
Sine,
f
RIPPLE
= 217Hz, Inputs AC GND,
82
dB
C
IN
= 1
μ
F, Input referred
Power Supply Rejection Ratio
PSRR
(Input Referred)
V
RIPPLE
= 200mV
P-P
Sine,
f
RIPPLE
= 1kHz, Inputs AC GND,
80
dB
C
IN
= 1
μ
F, Input referred
V
RIPPLE
= 1V
P-P
CMRR
Common Mode Rejection Ratio
70
dB
f
RIPPLE
= 217Hz
V
DD
= 5V, P
OUT
= 1W
88
%
R
L
= 8
Ω
, f = 1kHz
η
Efficiency
V
DD
= 3.6V, P
OUT
= 400mW
85
%
R
L
= 8
Ω
, f = 1kHz
V
DD
= 5V, P
O
= 1W,
97
dB
Fixed Frequency Mode
SNR
Signal to Noise Ratio
V
DD
= 5V, P
O
= 1W,
97
dB
Spread Spectrum Mode
Input referred,
Fixed Frequency Mode,
Fixed Frequency Mode,
14
μ
V
A-weighted Filter
ε
OS
Output Noise
Input referred,
Spread Spectrum Mode,
Spread Spectrum Mode,
28
μ
V
Unweighted
Copyright © 2007–2013, Texas Instruments Incorporated
5
Product Folder Links: