TA
參數(shù)資料
型號(hào): AD8496CRMZ-R7
廠商: Analog Devices Inc
文件頁數(shù): 14/16頁
文件大?。?/td> 0K
描述: THERMOCOUPLE AMPLIFIER I
標(biāo)準(zhǔn)包裝: 1,000
類型: 熱電偶放大器
輸入類型: 差分
輸出類型: *
電流 - 電源: 180µA
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 8-MSOP
包裝: 帶卷 (TR)
AD8494/AD8495/AD8496/AD8497
Rev. C | Page 7 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, +VS = 5 V, RL = ∞, unless otherwise noted.
100
10
1
0.1
0.01
0.1
1
10
100
1k
10k
100k
FREQUENCY (Hz)
CM
RR
(
°C/
V
)
08
52
9-
03
5
AD8495/AD8497
AD8494
AD8496
Figure 3. CMRR vs. Frequency
1000
100
10
1
0
1
10
100
1k
10k
100k
FREQUENCY (Hz)
P
S
RR
(
°C
/V
)
08
52
9-
03
6
AD8495/AD8497
AD8494
AD8496
Figure 4. PSRR vs. Frequency
50
40
30
20
10
0
–10
–20
100
1k
10k
100k
1M
FREQUENCY (Hz)
G
A
IN
(
d
B
)
08
52
9-
0
18
AD8494
AD8496
AD8495/AD8497
Figure 5. Frequency Response
1200
1000
800
600
400
200
0
–200
TIME (50s/DIV)
T
E
M
P
E
R
AT
U
RE
R
E
AD
IN
G
C)
08
52
9-
0
19
CONNECTED
THERMOCOUPLE
OPEN THERMOCOUPLE
THERMOCOUPLE CONNECTION
AD849x OUTPUT
Figure 6. Output Response to Open Thermocouple,
IN Connected to Ground Through a 1 MΩ Resistor
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–0.5
0.5
1.5
2.5
3.5
4.5
5.5
OUTPUT VOLTAGE (V)
IN
PU
T
C
O
MM
O
N
-M
O
D
E
VO
L
T
A
G
E
(
V
)
08
52
9-
0
17
+0.05, +3.45
+0.05, +3.21
+4.91, +2.95
+4.91, +2.71
+0.05, –0.36
+0.05, –0.39
+4.91, –0.37
+4.91, –0.39
VREF = 0V
VREF = 2.5V
Figure 7. Input Common-Mode Voltage Range vs. Output Voltage,
+VS = 5 V, VREF = 0 V, and VREF = 2.5 V
35
30
25
20
15
10
5
40
0
1.75
1.50
1.25
1.00
0.75
0.50
0.25
2.00
0
–40
–20
0
20
40
60
80
100
120
TEMPERATURE (°C)
INP
UT
BI
AS
CURRE
NT
(n
A)
INP
U
T
O
F
S
E
T
CUR
RE
NT
(
n
A)
085
29
-04
2
IBIAS
IOS
Figure 8. Input Bias Current and Input Offset Current vs. Temperature
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