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參數(shù)資料
| 型號(hào)： | SAA7366T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | ADC |
| 英文描述： | Bitstream conversion ADC for digital audio systems |
| 中文描述： | 1-CH 18-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO24 |
| 封裝： | PLASTIC, SOT-137A, SO-24 |
| 文件頁數(shù)： | 10/20頁 |
| 文件大?。?/td> | 92K |
| 代理商： | SAA7366T |
May 1994
10
Philips Semiconductors
Preliminary specification
Bitstream conversion ADC for
digital audio systems
SAA7366
Notes
1.
2.
3.
4.
5.
6.
7.
8.
Minimum V
IL
, V
OL
and maximum V
IH
, V
OH
are peak values to allow for transients.
I
LImin
and I
LOmin
measured at V
I
= 0 V; I
LImax
and I
LOmax
measured at V
I
= V
DDD
.
f
i
is a multiple (
×
256) of the system sampling frequency (f
s
) which can vary between 18 kHz and 53 kHz.
C
L
= 50 pF (valid for master mode only).
Device measured with external components shown in recommended application diagram Fig.8.
Input is 1 kHz and
60 dB.
Input is 1 kHz and 0 dB.
Measured by applying a 1 kHz, 0 dB signal to one channel and monitoring the level of 1 kHz (fundamental) on the
other channel.
See also Section “Input level” of Chapter “Functional description”; valid for left or right channel.
9.
Analog part (V
DDD
= V
DDA
= 5 V; T
amb
= 25
°
C; f
s
= 48 kHz)
V
OLTAGE REFERENCE
: V
REFL
AND
V
REFR
V
O
output voltage
Z
n
DC impedance
Z
s
DC impedance
C
URRENT REFERENCE
: I
REF
V
O
output voltage
I
O
output current
DAC
REFERENCE
: V
DACN
V
I
input voltage
V
DACP
V
I
input voltage
B
UFFER OPERATIONAL AMPLIFIERS
: BIL, BOL, BIR
AND
BOR
0.475V
DDA
0.5V
DDA
750
100
0.525V
DDA
V
k
normal mode
standby mode
0.5V
DDA
76
V
μ
A
R = 33 k
V
SSA
V
V
DDA
V
V
offset
R
Lmax
input offset voltage
maximum load resistance;
(drive capability)
output impedance
total harmonic distortion plus
noise
< ±
10
10
mV
k
decoupled to
V
REF
Z
O
THD + N
100
85
dB
f = 0 to 20 kHz
ADC
PERFORMANCE
;
NOTE
5
t
gd
α
sb
DR
THD + N
group delay
stop band attenuation
dynamic range
total harmonic distortion plus
noise
signal-to-noise ratio
channel separation
gain
T = 1/f
s
f
>
0.546f
s
note 6
note 7
tbf
60
90
tbf
80
μ
s
dB
dB
dB
S/N
α
cs
G
A-weighted
note 8
note 9
1.2
tbf
tbf
1
0.8
dB
dB
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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