24TQFN-EP 查看數據表（PDF） - Maxim Integrated
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24TQFN-EP Datasheet PDF : 39 Pages
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16-Bit Mono Audio Voice Codec
Typical Operating Characteristics
(VAVDD = +1.8V, VDVDD = VDVDDIO = +1.8V, RL = ∞, headphone load (RL) connected between OUTP and OUTN, CREF = 2.2µF,
CPREG = CREG = 1µF, CMICBIAS = 1µF AVMICPGA = 0dB, AVPRE = +20dB, MCLK = 13MHz, TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION + NOISE
vs. OUTPUT POWER (DAC TO HP)
10
RL = 32Ω
TOTAL HARMONIC DISTORTION + NOISE
vs. OUTPUT POWER (DAC TO HP)
10
RL = 16Ω
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO HP)
10
RL = 32Ω
1
f = 3.5kHz
0.1
f = 1kHz
0.01
0.001
0
f = 20kHz
5 10 15 20 25 30
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO HP)
10
RL = 16Ω
1
POUT = 5mW
0.1
0.01
POUT = 20mW
1
f = 3.5kHz
0.1
f = 1kHz
0.01
0.001
0
f = 20kHz
10 20 30 40 50 60
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (MICL TO ADC)
10
MICPRE = 0dB
VIN = 1VP-P
1
0.1
0.01
1
0.1
POUT = 5mW
0.01
POUT = 20mW
0.001
0.01
0.1
1
10
FREQUENCY (kHz)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (MICL TO ADC)
10
MICPRE = +20dB
VIN = 100mVP-P
1
0.1
0.001
0.01
0.1
1
10
FREQUENCY (kHz)
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (MICL TO ADC)
10
MICPRE = +30dB
VIN = 31VP-P
1
0.1
0.01
0.001
0.01
0.1
1
10
100
FREQUENCY (kHz)
0.001
0.01
0.1
1
10
100
FREQUENCY (kHz)
HEADPHONE OUTPUT POWER
vs. LOAD RESISTANCE
60
50
40
30
20
10
0
0 25 50 75 100 125 150
LOAD RESISTANCE (Ω)
0.01
0.01
0.1
1
10
100
FREQUENCY (kHz)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (DAC TO HP)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
0.01
0.1
1
10
100
FREQUENCY (kHz)
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