參數(shù)資料
型號(hào)： AD9042ST
廠商： Analog Devices, Inc.
英文描述： 12-Bit, 41 MSPS Monolithic A/D Converter
中文描述： 12位，41 MSPS的單片機(jī)的A / D轉(zhuǎn)換器
文件頁(yè)數(shù)： 2/24頁(yè)
文件大?。?/td> 488K
代理商： AD9042ST
DC SPECIFICATIONS
T est
Level
AD9042AST
Min
T yp
T est
Level
AD9042AD
T yp
Parameter
T emp
Max
Min
Max
Units
RESOLUT ION
12
12
Bits
DC ACCURACY
No Missing Codes
Offset Error
Offset T empco
Gain Error
Gain T empco
Full
Full
Full
Full
Full
VI
VI
V
VI
V
Guaranteed
±
3
25
0
–50
VI
VI
V
VI
V
Guaranteed
±
3
25
0
–50
–10
+10
–10
+10
mV
ppm/
°
C
% FS
ppm/
°
C
–6.5
+6.5
–6.5
+6.5
REFERENCE OUT (V
REF
)
2
+25
°
C
V
2.4
V
2.4
V
ANALOG INPUT (AIN)
Input Voltage Range
Input Resistance
Input Capacitance
V
REF
±
0.500
250
5.5
V
REF
±
0.500
250
7
V
pF
Full
+25
°
C
IV
V
200
300
IV
V
200
300
ENCODE INPUT
3
Logic Compatibility
4
Logic “1” Voltage
Logic “0” Voltage
Logic “1” Current (V
INH
= 5 V)
Logic “0” Current (V
INL
= 0 V)
Input Capacitance
T T L /CMOS
2.0
0
450
625
–400
–300
2
T T L /CMOS
Full
Full
Full
Full
+25
°
C
VI
VI
VI
VI
V
5.0
0.8
800
–200
VI
VI
VI
VI
V
2.0
0
450
–400
5.0
0.8
800
–200
V
V
μ
A
μ
A
pF
625
–300
2.5
DIGIT AL OUT PUT S
Logic Compatibility
Logic “1” Voltage (I
OH
= 10
μ
A)
CMOS
4.2
CMOS
4.2
+25
°
C
Full
+25
°
C
Full
I
IV
I
IV
3.5
3.5
I
IV
I
IV
3.5
3.5
V
V
V
V
Logic “0” Voltage (I
OL
= 10
μ
A)
0.75
0.80
0.85
0.75
0.80
0.85
Output Coding
T wos Complement
T wos Complement
POWER SUPPLY
AV
CC
Supply Voltage
I (AV
CC
) Current
DV
CC
Supply Voltage
I (DV
CC
) Current
I
CC
(T otal) Supply Current
Power Dissipation
Power Supply Rejection
(PSRR)
Full
Full
Full
Full
Full
Full
+25
°
C
Full
VI
V
VI
V
VI
VI
I
V
5.0
109
5.0
10
119
595
±
1
±
5
VI
V
VI
V
VI
VI
I
V
5.0
109
5.0
10
119
595
±
1
±
5
V
mA
V
mA
mA
mW
mV/V
mV/V
147
735
+20
147
735
+20
–20
–20
NOT ES
1
C1 (Pin 10 on AD9042AST only) tied to GND through 0.01
μ
F capacitor.
2
V
is normally tied to V
through 50
. If V
REF
is used to provide dc offset to other circuits, it should first be buffered.
3
ENCODE driven by single-ended source;
ENCODE
bypassed to ground through 0.01
μ
F capacitor.
4
ENCODE may also be driven differentially in conjunction with
ENCODE
; see “Encoding the AD9042” for details.
Specifications subject to change without notice.
(AV
CC
= DV
CC
= +5 V; ENCODE &
ENCODE
= 41 MSPS;
V
REF
tied to V
OFFSET
through 50
; T
MN
= –40
8
C, T
MAX
= +85
8
C)
1
SWITCHING SPECIFICATIONS
T est
Level
AD9042AST
Min
T yp
T est
Level
AD9042AD
Min
T yp
Parameter (Conditions)
T emp
Max
Max
Units
Maximum Conversion Rate
Minimum Conversion Rate
Aperture Delay (t
A
)
Aperture Uncertainty (Jitter)
ENCODE Pulse Width High
ENCODE Pulse Width Low
Output Delay (t
OD
)
Full
Full
+25
°
C
+25
°
C
+25
°
C
+25
°
C
Full
VI
IV
V
V
IV
IV
IV
41
VI
IV
V
V
IV
IV
IV
41
MSPS
MSPS
ps
ps rms
ns
ns
ns
5
5
–250
0.7
–250
0.7
10
10
5
10
10
5
9
14
9
14
NOT E
1
C1 (Pin 10 on AD9042AST only) tied to GND through 0.01
μ
F capacitor.
REV. A
(AV
CC
= DV
CC
= +5V; V
REF
tied to V
OFFSET
through 50
; T
MN
= –40
8
C, T
MAX
= +85
8
C)
1
–2–
AD9042–SPECIFICATIONS
相關(guān)PDF資料
PDF描述
AD9042STPCB 12-Bit, 41 MSPS Monolithic A/D Converter
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AD9042 12-Bit, 41 MSPS Monolithic A/D Converter(41MSPS,單片12位A/D轉(zhuǎn)換器)
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