參數資料
型號: MAX98500EVKIT+
廠商: Maxim Integrated Products
文件頁數: 11/15頁
文件大?。?/td> 0K
描述: KIT EVAL FOR MAX98500
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 1
系列: *
_______________________________________________________________________________________ 5
MAX98500
Boosted 2.2W Class D Amplifier
with Automatic Level Control
Typical Operating Characteristics
(VBAT = 3.6V, RL = ∞ between SPKP and SPKN, AV = +15.5dB, RKNEE = VBAT, 20Hz to 22kHz AC measurement bandwidth, unless
otherwise noted.)
General
BATTERY CURRENT
vs. BATTERY VOLTAGE
MAX98500
toc01
BATTERY VOLTAGE (V)
BATTERY
CURRENT
(mA)
5.0
4.5
4.0
3.5
3.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
2.5
5.5
INPUTS AC-COUPLED TO AGND
SDSPK = SDBST = VBAT
BATTERY CURRENT
vs. BATTERY VOLTAGE
MAX98500
toc02
BATTERY VOLTAGE (V)
BATTERY
CURRENT
(A)
5.0
4.5
4.0
3.5
3.0
80
100
120
140
60
2.5
5.5
INPUTS AC-COUPLED TO AGND
SDSPK = GND, SDBST = VBAT
BATTERY CURRENT
vs. BATTERY VOLTAGE
MAX98500
toc03
BATTERY VOLTAGE (V)
BATTERY
CURRENT
(A)
5.0
4.5
4.0
3.5
3.0
1
2
3
4
5
6
7
8
9
10
0
2.5
5.5
INPUTS AC-COUPLED TO AGND
SDSPK = VBAT, SDBST = AGND
TURN-ON RESPONSE
MAX98500 toc04
VCCOUT
2V/div
SPKR
OUTPUT
1V/div
SDBST
2V/div
OV
2ms/div
EFFICIENCY vs. OUTPUT POWER
MAX98500
toc05
POUT (W)
EFFICIENCY
(%)
2.0
1.5
1.0
0.5
10
20
30
40
50
60
70
80
90
100
0
2.5
VBAT = 4.2V
VBAT = 3.6V
VBAT = 3.0V
ZLOAD = 8I + 68H
fIN = 1kHz
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