參數(shù)資料
型號: UDA1352HL
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: 48 kHz IEC 60958 audio DAC
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-313-2, LQFP-48
文件頁數(shù): 54/64頁
文件大?。?/td> 262K
代理商: UDA1352HL
2003 Mar 25
54
Philips Semiconductors
Preliminary specification
48 kHz IEC 60958 audio DAC
UDA1352HL
Notes
1.
2.
T
cy(BCK)
is the bit cycle time.
C
b
is the total capacitance of one bus line in pF.
I
2
C-bus interface timing;
see Fig.20
f
SCL
t
LOW
t
HIGH
t
r
t
f
t
HD;STA
t
SU;STA
t
SU;STO
t
BUF
t
SU;DAT
t
HD;DAT
t
SP
SCL clock frequency
SCL LOW time
SCL HIGH time
rise time SDA and SCL
fall time SDA and SCL
hold time START condition
set-up time repeated START condition
set-up time STOP condition
bus free time between a STOP and START condition
data set-up time
data hold time
pulse width of spikes to be suppressed by the input
filter
capacitive load for each bus line
0
1.3
0.6
20
+
0.1C
b
20
+
0.1C
b
0.6
0.6
0.6
1.3
100
0
0
400
300
300
50
kHz
μ
s
μ
s
ns
ns
μ
s
μ
s
μ
s
μ
s
ns
μ
s
ns
note 2
note 2
C
L(bus)
400
pF
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
handbook, full pagewidth
MGS756
WS
BCK
DATAO
DATAI
tf
tr
th(WS)
tsu(WS)
tBCKH
tBCKL
Tcy(BCK)
th(DATAO)
tsu(DATAI)
th(DATAI)
td(DATAO-BCK)
td(DATAO-WS)
Fig.17 Serial interface input/output data timing.
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