參數(shù)資料
型號(hào)： ADADC85SZ-12
元件分類： ADC
英文描述： Analog-to-Digital Converter??? 12-Bit
中文描述： 12位模數(shù)轉(zhuǎn)換器
文件頁(yè)數(shù)： 2/16頁(yè)
文件大?。?/td> 364K
代理商： ADADC85SZ-12
REV. A
–2–
AD5241/AD5242–SPECIFICATIONS
10 k , 100 k , 1 M VERSION
Parameter
Symbol
Conditions
Min
Typ
1
Max
Unit
DC CHARACTERISTICS, RHEOSTAT MODE (Specifications apply to all VRs.)
Resistor Differential Nonlinearity
2
Resistor Integral Nonlinearity
2
Nominal Resistor Tolerance
R-DNL
R-INL
R
R
R
AB
/
T
R
W
R
WB
, V
A
= NC
R
WB
, V
A
= NC
T
A
= 25
°
C, RAB = 10 k
T
A
= 25
°
C, RAB = 100 k
/1 M
V
AB
= V
DD
, Wiper = No Connect
I
W
= V
DD
/R, V
DD
= 3 V or 5 V
–1
–2
–30
–30
±
0.4
±
0.5
+1
+2
+30
+50
LSB
LSB
%
%
ppm/
°
C
Resistance Temperature Coefficient
Wiper Resistance
30
60
120
DC CHARACTERISTICS, POTENTIOMETER DIVIDER MODE (Specifications apply to all VRs.)
Resolution
N
Differential Nonlinearity
3
DNL
Integral Nonlinearity
3
INL
Voltage Divider Temperature Coefficient
V
W
/
T
Full-Scale Error
V
WFSE
Zero-Scale Error
V
WZSE
8
–1
–2
Bits
LSB
LSB
ppm/
°
C
LSB
LSB
±
0.4
±
0.5
5
–0.5
0.5
+1
+2
Code = 80
H
Code = FF
H
Code = 00
H
–1
0
0
1
RESISTOR TERMINALS
Voltage Range
4
Capacitance
5
A, B
Capacitance
5
W
Common-Mode Leakage
V
A, B, W
C
A, B
C
W
I
CM
V
SS
V
DD
V
pF
pF
nA
f = 1 MHz, Measured to GND, Code = 80
H
f = 1 MHz, Measured to GND, Code = 80
H
V
A
= V
B
= V
W
45
60
1
DIGITAL INPUTS
Input Logic High (SDA and SCL)
Input Logic Low (SDA and SCL)
Input Logic High (AD0 and AD1)
Input Logic Low (AD0 and AD1)
Input Logic High
Input Logic Low
Input Current
Input Capacitance
5
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
I
IL
C
IL
0.7 V
DD
–0.5
2.4
0
2.1
0
V
DD
+ 0.5
+0.3 V
DD
V
DD
0.8
V
DD
0.6
1
V
V
V
V
V
V
μ
A
pF
V
DD
= 5 V
V
DD
= 5 V
V
DD
= 3 V
V
DD
= 3 V
V
IN
= 0 V or 5 V
3
DIGITAL OUTPUT
Output Logic Low (SDA)
Output Logic Low (O
1
and O
2
)
Output Logic High (O
1
and O
2
)
Three-State Leakage Current (SDA)
Output Capacitance
5
V
OL
V
OL
V
OL
V
OH
I
OZ
C
OZ
I
OL
= 3 mA
I
OL
= 6 mA
I
SINK
= 1.6 mA
I
SOURCE
= 40
μ
A
V
IN
= 0 V or 5 V
0.4
0.6
0.4
V
V
V
V
μ
A
pF
4
±
1
8
3
POWER SUPPLIES
Power Single-Supply Range
Power Dual-Supply Range
Positive Supply Current
Negative Supply Current
Power Dissipation
6
Power Supply Sensitivity
V
DD RANGE
V
DD/SS RANGE
I
DD
I
SS
P
DISS
PSS
V
SS
= 0 V
2.7
±
2.3
5.5
±
2.7
50
–50
250
V
V
μ
A
μ
A
μ
W
%/%
V
IH
= 5 V or V
IL
= 0 V
V
SS
= –2.5 V, V
DD
= +2.5 V
V
IH
= 5 V or V
IL
= 0 V, V
DD
= 5 V
0.1
+0.1
0.5
+0.002 +0.01
–0.01
DYNAMIC CHARACTERISTICS
5, 7, 8
Bandwidth –3 dB
BW_10 k
BW_100 k
BW_1 M
THD
W
R
AB
= 10 k
, Code = 80
H
R
AB
= 100 k
, Code = 80
H
R
AB
= 1 M
, Code = 80
H
V
A
= 1 V rms + 2 V dc,
V
B
= 2 V dc, f = 1 kHz
V
A
= V
DD
, V
B
= 0 V,
±
1 LSB Error Band,
R
AB
= 10 k
R
WB
= 5 k
, f = 1 kHz
650
69
6
0.005
kHz
kHz
kHz
%
Total Harmonic Distortion
V
W
Settling Time
t
S
2
μ
s
Resistor Noise Voltage
e
N_WB
14
nV
√
Hz
(V
DD
= 3 V 10% or 5 V
10%, V
A
= +V
DD
, V
B
= 0 V, –40 C < T
A
< +85 C unless
otherwise noted.)
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