參數(shù)資料
型號: SAA2023
廠商: NXP Semiconductors N.V.
英文描述: Drive processor for DCC systems
中文描述: 戴納信貸驅動處理器的系統(tǒng)
文件頁數(shù): 50/56頁
文件大?。?/td> 274K
代理商: SAA2023
May 1994
50
Philips Semiconductors
Preliminary specification
Drive processor for DCC systems
SAA2023
ADC CHARACTERISTICS
V
DD
= 4.5 to 5.5 V; T
amb
=
40 to +85
°
C; C
L
= 10 pF on TCLOCK output; see Fig.41; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
AC RDMUX ADC resolution
positive reference voltage
negative reference voltage
V
ref(p)
to V
ref(n)
input impedance
0
2.0
700
24
8
1200
650
V
DD
0.5
1500
15
90
±
0.99
bits
V
V
V
pF
μ
A
LSB
dB
V
ref(p)
V
ref(n)
V
ref
Z
i
V
ref(p)
to V
ref(n)
V
ref(n)
to V
SS
C
I
I
I
DNL
S/(THD+N)
input capacitance (RDMUX)
input current
differential non-linearity
signal-to-total harmonic
distortion plus noise ratio
20 dB (FS);
100 to 500 kHz
Timing
T
cy
t
d1
cycle time of CLK24
TCLOCK delay time from
rising edge of CLK24
RDMUX set-up time to falling
edge of CLK24
RDMUX hold time from falling
edge of CLK24
40
80
ns
ns
C
L
= 10 pF
t
su
Z
source
< 150
60
ns
t
h
40
ns
handbook, full pagewidth
CLK24
MGB408
RDMUX
TESTBUS
CLK ADC
TCLOCK
SAMPLE(1)
V
V
IL
IH
VOH
VOL
tsu
td1
DATA SAMPLE(1-2)
DATA SAMPLE(1-3)
td3
Tcy
td2
th
td4
V
V
IL
IH
Fig.41 ADC timing.
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