參數(shù)資料
型號： ADT7518ARQZ-REEL
廠商： ANALOG DEVICES INC
元件分類： 溫度/濕度傳感器
英文描述： SPI/I2C Compatible, Temperature Sensor, 4-Channel ADC and Quad Voltage Output DAC
中文描述： DIGITAL TEMP SENSOR-SERIAL, 10BIT(s), 5Cel, RECTANGULAR, SURFACE MOUNT
封裝： LEAD FREE, MO-137-AB, QSOP-16
文件頁數(shù)： 6/40頁
文件大?。?/td> 1217K
代理商： ADT7518ARQZ-REEL
ADT7518
DAC AC CHARACTERISTICS
1
Table 2. V
DD
= 2.7 V to 5.5 V, R
L
= 4.7 k to GND; C
L
= 200 pF to GND; 4.7 k to V
DD
; all specifications T
MIN
to T
MAX
, unless
otherwise noted.
Parameter
2
Min
Typ
3
Max
Output Voltage Settling Time
ADT7518
6
8
Slew Rate
0.7
Major-Code Change Glitch Energy
12
Digital Feedthrough
0.5
Digital Crosstalk
1
Analog Crosstalk
0.5
DAC-to-DAC Crosstalk
3
Multiplying Bandwidth
200
Total Harmonic Distortion
–70
Rev. A | Page 6 of 40
Unit
μs
V/μs
nV-s
nV-s
nV-s
nV-s
nV-s
kHz
dB
Conditions/Comments
V
REF
= V
DD
= 5 V
1/4 scale to 3/4 scale change (40h to C0h)
1 LSB change around major carry
V
REF
= 2 V ±0.1 V p-p
V
REF
= 2.5 V ±0.1 V p-p. Frequency = 10 kHz.
1
Guaranteed by design and characterization, not production tested.
2
See the
section.
Terminology
3
@ 25°C.
SCL
t
4
t
2
t
1
t
3
t
5
t
6
SDA
DATA IN
SDA
DATA OUT
0
Figure 2. I
2
C Bus Timing Diagram
t
1
t
2
t
3
t
5
t
6
t
4
t
7
t
8
D7
CS
SCLK
DIN
DOUT
D6
D5
D4
D3
D2
D1
D0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
D7
D6
D5
D4
D3
D2
D1
D0
0
Figure 3. SPI Bus Timing Diagram
200
μ
A
I
OH
1.6V
TO OUTPUT
PIN
C
L
50pF
200
μ
A
I
OL
0
Figure 4. Load Circuit for Access Time and Bus Relinquish Time
4.7k
4.7k
V
DD
TO DAC
OUTPUT
200pF
0
Figure 5. Load Circuit for DAC Outputs
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