參數(shù)資料
型號: SAA7708H
廠商: NXP Semiconductors N.V.
元件分類: 數(shù)字信號處理
英文描述: Car Radio Digital Signal Processor
中文描述: 汽車無線電數(shù)字信號處理器
文件頁數(shù): 37/60頁
文件大?。?/td> 281K
代理商: SAA7708H
1998 May 19
37
Philips Semiconductors
Preliminary specification
Car Radio Digital Signal Processor
SAA7708H
14 ANALOG INPUTS
Table 6
DC characteristics
DC characteristics analog inputs at Tamb=25
C; VDDA1=3.3 V unless otherwise noted
Table 7
AC characteristics
AC characteristics analog level inputs at VDDA1=3.3 V; Tamb=25
C
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
NO
VDDA1
Supply voltage analog
part ADC
common mode
reference voltage
SCAD1, 2 and Level AD
Output impedance
VREFAD
Positive reference
voltage SCAD1,
SCAD2 and Level AD
Positive reference
current SCAD1, SCAD2
and Level AD
Negative reference
voltage SCAD1,
SCAD2 and Level AD
Negative reference
current SCAD1 and 2
3
3.3
3.6
V
2.01
VREFAD
w.r.t. VDDA1/VSSA1
47
50
53
%VDD
A1
2.02
ZOUT
-
600
-
ohm
2.03
VDACP
3
3.3
3.6
V
2.04
IVDACP
-
-20
-
μ
A
2.05
VDACN1
VDACN2
-0.3
0
0.3
V
2.06
IVDACN1
IVDACN2
AVO_SCAD
-
20
-
μ
A
2.07
Input offset voltage
SCAD1 and 2
-
+140
-
mV
2.09
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
NO
ADSNR
Level AD converter SNR
RMS (unweighted)
Input resistance
Input voltage range level
AD for full scale
DC-offset voltage
decimation filter
attenuation
pass band cutoff freq.
BW=0-29 kHz Max.
input
48
54
-
dB
3.01
ADIRES
ADICL
1.5
0
2.2
VDDA1
M
V
3.02
3.03
ADOS
ADDEC
-
20
-
60
mV
dB/Dec
3.04
3.05
ADPCOF
at - 3 dB and DCS clock
= 9.728 MHz
DCS clock = 9.728 MHz
29
kHz
3.06
ADSF
sample rate after
decimation
38
kHz
3.07
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