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參數(shù)資料
| 型號： | AD5545 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Dual, Current-Output, Serial-Input, 16-/14-Bit DAC |
| 中文描述： | 雙通道，電流輸出，串行輸入，16-/14-Bit援 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大小： | 1419K |
| 代理商： | AD5545 |
AD5545/AD5555
AD5545/AD5555—ELECTRICAL CHARACTERISTICS
Table 1. V
DD
= 5 V ± 10%, I
OUT
= Virtual GND, GND = 0 V, V
REF
= 10 V, T
A
= Full Operating Tempearture Range,
unless otherwise noted.
Parameter
Symbol
Conditions
STATIC PERFORMANCE
1
Resolution
N
AD5545, 1 LSB = V
REF
/2
16
= 153 μV when V
REF
= 10 V
Resolution
N
AD5555, 1 LSB = V
REF
/2
14
= 610 μV when V
REF
= 10 V
Relative Accuracy
INL
AD5545
Relative Accuracy
INL
AD5555
Differential Nonlinearity
DNL
Monotonic
Output Leakage Current
I
OUT
Data = 0x0000, T
A
= 25°C
Output Leakage Current
I
OUT
Data = 0x0000, T
A
= T
A
Max
Full-Scale Gain Error
G
FSE
Data = Full Scale
Full-Scale Temperature Coefficient
2
TCV
FS
REFERENCE INPUT
V
REF
Range
V
REF
Input Resistance
R
REF
Input Capacitance
2
C
REF
ANALOG OUTPUT
Output Current
I
OUT
Data = Full Scale
Output Capacitance
2
C
OUT
Code Dependent
LOGIC INPUTS AND OUTPUT
Logic Input Low Voltage
V
IL
Logic Input High Voltage
V
IH
Input Leakage Current
I
IL
Input Capacitance
2
C
IL
INTERFACE TIMING
2, 4
Clock Input Frequency
f
CLK
Clock Width High
t
CH
Clock Width Low
t
CL
CS to Clock Setup
t
CSS
Clock to CS Hold
t
CSH
Data Setup
t
DS
Data Hold
t
DH
LDAC Setup
t
LDS
Hold
t
LDH
LDAC Width
t
LDAC
SUPPLY CHARACTERISTICS
Power Supply Range
V
DD
Range
Positive Supply Current
I
DD
Logic Inputs = 0 V
Power Dissipation
P
DISS
Logic Inputs = 0 V
Power Supply Sensitivity
PSS
V
DD
= ±5%
Rev. 0 | Page 3 of 16
5 V ± 10%
16
14
±2
±1
±1
10
20
±1/±4
1
–12/+12
5
5
2
200
0.8
2.4
10
10
50
10
10
0
10
5
10
5
10
10
4.5/5.5
10
0.055
0.006
Units
Bits
Bits
LSB max
LSB max
LSB max
nA max
nA max
mV typ/max
ppm/°C typ
V min/V max
k typ
3
pF typ
mA typ
pF typ
V max
V min
μA max
pF max
MHz
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
V min/V max
μA max
mW max
%/% max
1
All static performance tests (except I
OUT
) are performed in a closed-loop system using an external precision OP1177 I-to-V converter amplifier. The AD5545 R
FB
terminal
is tied to the amplifier output. Typical values represent average readings measured at 25°C.
2
These parameters are guaranteed by design and not subject to production testing.
3
All ac characteristic tests are performed in a closed-loop system using an O42 I-to-V converter amplifier.
4
All input control signals are specified with t
R
= t
F
= 2.5 ns (10% to 90% of 3 V) and timed from a voltage level of 1.5 V.
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