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參數(shù)資料
| 型號： | SAA7325 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Digital servo processor and Compact Disc decoder with integrated DAC (CD10 II)(具有綜合數(shù)模轉(zhuǎn)換器（DAC）的數(shù)字伺服處理器和光盤譯碼器) |
| 中文描述： | 數(shù)字伺服處理器和光盤解碼器集成了援會（CD10型二）（具有綜合數(shù)模轉(zhuǎn)換器（DAC）的的數(shù)字伺服處理器和光盤譯碼器） |
| 文件頁數(shù)： | 49/68頁 |
| 文件大小： | 281K |
| 代理商： | SAA7325 |
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2000 Jun 26
49
Philips Semiconductors
Product specification
Digital servo processor and Compact Disc
decoder with integrated DAC (CD10 II)
SAA7325
Decoder analog front-end (V
DDA
= 3.3 V; V
SSA
= 0 V; T
amb
= 25
°
C)
C
OMPARATOR INPUTS
:
PINS
HFIN
AND
HFREF
f
clk
V
th(sw)
V
HFIN
Servo analog part (V
DDA
= 3.3 V; V
SSA
= 0 V; T
amb
= 25
°
C; R
Iref
= 30 k
)
clock frequency
switching voltage threshold
input voltage level (HFIN)
note 2
8
0.5V
DD
1.0
70
MHz
V
V
P
INS
D1
TO
D4; R1
AND
R2
I
D(max)
maximum input current for
central diode input signal
maximum input current for
satellite diode input signal
internally generated
reference voltage
externally generated
reference voltage applied to
V
RIN
(pin 7)
total harmonic distortion plus
noise-to-signal ratio
signal-to-noise ratio
power supply ripple rejection
at V
DDA2
gain tolerance
variation of gain between
channels
channel separation
note 3
4.025
16.1
μ
A
I
R(max)
note 3
4.025
16.1
μ
A
V
RIN
note 4
0.64
0.9
V
note 4
0.5
0.5V
DD
+ 0.1 V
(THD + N)/S
at 0 dB; note 5
50
45
dB
S/N
PSRR
55
45
dB
dB
note 6
G
tol
G
v
note 7
20
0
+20
2
%
%
α
cs
Digital inputs
60
dB
P
INS
RESET
AND
V1 (CMOS
INPUT WITH PULL
-
UP RESISTOR AND HYSTERESIS
)
V
thr(sw)
switching voltage threshold
rising
switching voltage threshold
falling
hysteresis voltage
input pull-up resistance
input capacitance
reset pulse width
(active LOW)
0.8V
DDD
V
V
thf(sw)
0.2V
DDD
V
V
hys
R
i(pu)
C
i
t
resL
0.4
1
160
10
V
k
pF
μ
s
V
i
= 0 V
RESET only
P
IN
SELPLL (CMOS
INPUT WITH PULL
-
UP RESISTOR
)
V
IL
V
IH
R
i(pu)
C
i
LOW-level input voltage
HIGH-level input voltage
input pull-up resistance
input capacitance
0.3
0.7V
DDD
160
+0.3V
DDD
V
DDD
+ 0.3
10
V
V
k
pF
V
i
= 0 V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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