參數(shù)資料
型號(hào): AD7471
廠商: Analog Devices, Inc.
英文描述: 1.4us,642μW Micropower12-Bit Parallel ADC(12位高速,低耗,逐次逼近式A/D轉(zhuǎn)換器)
中文描述: 1.4us,642μWMicropower12位并行ADC(12位高速,低耗,逐次逼近式的A / D轉(zhuǎn)換器)
文件頁(yè)數(shù): 2/13頁(yè)
文件大?。?/td> 203K
代理商: AD7471
–2–
REV. PrB
AD7471–SPECIFICATIONS
1
(
V
DD
= +2.7 V to +5.25 V, REF IN= 2.5 V, f
CLK IN
= 10 MHz unless otherwse
noted; T
A
= T
MN
to T
MAX
, unless otherwse noted.)
PRELMNARY
0.4 0.4
±1 ±1
10 10
TECHNCAL
2.4 2.4
Parameter
A Version
1
Units
T est Conditions/Comments
D Y NAM IC PE RF ORM ANC E
Signal to Noise + Distortion (SINAD)
Signal to Noise Ratio (SNR)
T otal Harmonic Distortion (T HD)
5V
68
68
-83
–75
-86
–76
3V
68
68
-78
-75
-86
-76
dB min
dB min
db typ
dB max
db typ
dB max
f
IN
=10kHz Sine Wave, f
S
= 100K sps
f
IN
=10kHz Sine Wave, f
S
= 100K sps
f
IN
=10kHz Sine Wave, f
S
= 100K sps
f
IN
=10kHz Sine Wave, f
S
= 100K sps
f
IN
=10kHz Sine Wave, f
S
= 100K sps
f
IN
=10kHz Sine Wave, f
S
= 100K sps
Peak Harmonic or Spurious Noise
(SF D R )
Intermodulation Distortion (IMD)
Second Order T erms
T hird Order T erms
Aperture Delay
Aperture Jitter
Full Power Bandwidth
–86
–86
5
15
20
-86
-86
5
15
20
dB typ
dB typ
ns typ
ns typ
MHz max
f
IN
=10kHz Sine Wave, f
S
= 100K sps
f
IN
=10kHz Sine Wave, f
S
= 100K sps
D C AC C URAC Y
Resolution
Integral Nonlinearity
Differential Nonlinearity
12
± 1
±0.9
12
± 1
±0.9
Bits
L SB max
L SB max Guaranteed No Missed Codes to 12
Bits.
L SB max
L SB max
Offset Error
Gain Error
± 10
± 2
± 10
± 2
ANAL OG INPUT
Input Voltage Ranges
dc L eakage Current
Input C apacitance
0 to REF IN
0 to REF IN
Volts
± 1
± 1
33
33
pF typ
RE F E RE NC E INPUT
REF IN Input Voltage Range
dc L eakage Current
Input C apacitance
2.5
± 1
10/20
2.5
± 1
10/20
V
μA max
pF typ
+/-1% for Specified Performance
T rack/Hold Mode
L OG IC INPUT S
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current, I
IN
Input Capacitance, C
IN3
L OG IC OU T PU T S
Output High Voltage, V
OH
Output Low Voltage, V
OL
Floating-State L eakage C urrent
Floating-State Output C apacitance
Output C oding
V min
V max
μA max
pF max
T ypically 10 nA, V
IN
= 0 V or V
DD
V
DRIVE
-0.2
0.4
± 10
10
Straight(Natural)
Binary
V
DRIVE
-0.2
0.4
± 10
10
V min
V max
μA max
pF max
I
SOURCE
= 200 μA
I
SINK
=200mA
V
DD
= 2.7 V to 5.25 V
C ONVE RSION RAT E
Conversion T ime
14
14
C L K IN
Cycles
max
ns max
K SPS
max
C onversion T ime + Acquisition T ime.
CLK IN at 10MHz @ 5V
T rack/Hold Acquisition T ime
T hroughput Rate
250
600
250
tbd
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