參數(shù)資料
型號(hào)： MAX9850
廠商： Maxim Integrated Products, Inc.
英文描述： Stereo Audio DAC with DirectDrive Headphone Amplifier
中文描述： 立體聲音頻DAC，帶有DirectDrive®耳機(jī)放大器
文件頁(yè)數(shù)： 6/36頁(yè)
文件大?。?/td> 956K
代理商： MAX9850
M
Stereo Audio DAC with DirectDrive
Headphone Amplifier
6
_______________________________________________________________________________________
TIMING CHARACTERISTICS
(DV
DD
= AV
DD
= PV
DD
= 3.0V, AGND = DGND = PGND = 0V, C1 = 0.47μF, C2 = 2.2μF, C
NREG
= C
PREG
= C
REF
= 1μF to AGND,
R
LOAD_HP
= 32
to AGND, R
LOAD_LINE
= 10k
to AGND, f
LRCLK
= 48kHz, f
MCLK
= 12.288MHz, volume set to -9.5dB, T
A
= T
MIN
to
T
MAX
, unless otherwise noted. Typical specifications at T
A
= +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
I
2
C TIMING
Serial Clock Frequency
f
SCL
0
400
kHz
Bus Free Time Between STOP
and START Conditions
t
BUF
1.3
μs
Hold Time (Repeated) START
Condition
t
HD, STA
0.6
μs
SCL Pulse-Width Low
SCL Pulse-Width High
t
LOW
t
HIGH
1.3
0.6
μs
μs
Repeated START Condition
Setup Time
t
SU, STA
0.6
μs
Data Hold Time
Data Setup Time
Bus Capacitance
t
HD, DAT
t
SU, DAT
C
B
0
900
ns
ns
pF
100
400
SDA and SCL Receiving Rise
Time (Note 7)
t
R
20 +
0.1C
B
300
ns
SDA and SCL Receiving Fall
Time (Note 7)
t
F
20 +
0.1C
B
20 +
0.1C
B
20 +
0.05C
B
0.6
0
300
ns
DV
DD
= 1.8V
250
SDA Transmitting Fall Time
(Note 7)
t
F
DV
DD
= 3.6V
250
ns
Setup Time for STOP Condition
Pulse Width of Suppressed Spike
DIGITAL AUDIO TIMING
t
SU, STO
t
SP
μs
ns
50
BCLK Period (Note 8)
t
BCLK
3 x
1 / f
IC LK
ns
Low or High BCLK Pulse Width
t
BCLK_PW
0.35 x
t
BCLK
ns
BCLK and LRCLK Rise Time
BCLK and LRCLK Fall Time
t
R
t
F
Master mode, C
LOAD
= 15pF
Master mode, C
LOAD
= 15pF
1
1
ns
ns
SDIN or LRCLK to BCLK Rising
Setup Time
t
DBSU,
t
BWSU
30
ns
DV
DD
= 1.8V
DV
DD
= 3.6V
0
5
SDIN or LRCLK to BCLK Rising
Hold Time
t
DBH,
t
BWBH
ns
Note 1:
Full operation is defined as clocking all zeros into the DAC while the DAC, headphone outputs, and line outputs are all enabled.
Note 2:
DAC performance specifications measured using the line outputs, OUTL and OUTR.
Note 3:
Dynamic range is defined as the SNR of a 1kHz, -60dBFS input signal measured with an A-weighted filter, then normalized
to full scale (+60dB).
Note 4:
DAC SNR measured from DAC inputs to OUTL and OUTR.
相關(guān)PDF資料
PDF描述
MAX9850ETI Stereo Audio DAC with DirectDrive Headphone Amplifier
MAX9995ETX-D Dual, SiGe, High-Linearity, 1700MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch
MAX9995ETX-T Dual, SiGe, High-Linearity, 1700MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch
MAX9995ETX-TD Dual, SiGe, High-Linearity, 1700MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch
MAX9995ETX Dual, SiGe, High-Linearity, 1700MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch
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