參數(shù)資料
型號: MAX9867ETJ+T
廠商: Maxim Integrated Products
文件頁數(shù): 7/55頁
文件大?。?/td> 0K
描述: IC STEREO AUD CODEC LP 32TQFN-EP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類型: 立體聲音頻
數(shù)據(jù)接口: I²C,串行
分辨率(位): 18 b
ADC / DAC 數(shù)量: 2 / 2
三角積分調(diào)變:
動(dòng)態(tài)范圍,標(biāo)準(zhǔn) ADC / DAC (db): 85 / 90
電壓 - 電源,模擬: 1.65 V ~ 1.95 V
電壓 - 電源,數(shù)字: 1.65 V ~ 1.95 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 32-TQFN-EP(5x5)
包裝: 帶卷 (TR)
MAX9867
Ultra-Low Power Stereo Audio Codec
______________________________________________________________________________________
15
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (LINE IN TO HEADPHONE)
MAX9867
toc19
FREQUENCY (Hz)
THD+N
(dB)
100
10,000
-50
-40
-30
-80
-70
-60
-20
-10
0
-90
10
1000
100,000
LINE IN PREAMP = +18dB
RLOAD = 32
DIFFERENTIAL MODE
5mW
20mW
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (LINE IN TO HEADPHONE)
MAX9867
toc20
FREQUENCY (Hz)
THD+N
(dB)
100
10,000
-50
-40
-30
-80
-70
-60
-20
-10
0
-90
10
1000
100,000
LINE IN PREAMP = 0dB
RLOAD = 32
DIFFERENTIAL MODE
5mW
20mW
POWER OUT vs. HEADPHONE LOAD
MAX9867
toc21
HEADPHONE LOAD (
)
POWER
OUT
(mW)
10
40
50
10
20
30
60
0
1
100
1000
MCLK = 12.288MHz
LRCLK = 48kHz
THD+N = < 0.1%
DIFFERENTIAL MODE
POWER OUT vs. HEADPHONE LOAD
MAX9867
toc22
HEADPHONE LOAD (
)
POWER
OUT
(mW)
10
20
25
5
10
15
30
0
1
100
1000
MCLK = 12.288MHz
LRCLK = 48kHz
THD+N = < 0.1%
CAPACITORLESS MODE
POWER OUT vs. HEADPHONE LOAD
MAX9867
toc23
HEADPHONE LOAD (
)
POWER
OUT
(mW)
10
20
5
10
15
25
0
1
100
1000
MCLK = 12.288MHz
LRCLK = 48kHz
THD+N = < 0.1%
SINGLE-ENDED MODE
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (MICROPHONE TO ADC)
MAX9867
toc24
FREQUENCY (Hz)
THD+N
(%)
1000
100
-50
-40
-30
-80
-70
-60
-20
-10
0
-90
10
10,000
MCLK = 13MHz
LRCLK = 8kHz
MICPRE = 0dB
VIN = 1VP-P
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (MICROPHONE TO ADC)
MAX9867
toc25
FREQUENCY (Hz)
THD+N
(%)
1000
100
-50
-40
-30
-80
-70
-60
-20
-10
0
-90
10
10,000
MCLK = 13MHz
LRCLK = 8kHz
MICPRE = 20dB
VIN = 0.11VP-P
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (MICROPHONE TO ADC)
MAX9867
toc26
FREQUENCY (Hz)
THD+N
(%)
1000
100
-50
-40
-30
-80
-70
-60
-20
-10
0
-90
10
10,000
MCLK = 13MHz
LRCLK = 8kHz
MICPRE = 30dB
VIN = 0.032VP-P
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (DAC TO HEADPHONE)
MAX9867
toc27
FREQUENCY (Hz)
PSRR
(dB)
100
10,000
-50
-40
-30
-80
-70
-60
-20
-10
0
-90
10
1000
100,000
VRIPPLE = 100mVP-P
MCLK = 13MHz
LRCLK = 8kHz
Typical Operating Characteristics (continued)
(VAVDD = VDVDD = VPVDD = +1.8V, CREF = 2.2F, CMICBIAS = CPREG = CREG = 1F, AVMICPGA = 0dB, MCLK = 13MHz, LRCLK =
8kHz, BW = 20Hz to fS/2, TA = +25°C, unless otherwise noted.)
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