參數(shù)資料
型號: ADA4941-1YRZ-R7
廠商: Analog Devices Inc
文件頁數(shù): 6/25頁
文件大?。?/td> 0K
描述: IC DIFF ADC DRIVER 18BIT 8SOIC
設(shè)計(jì)資源: Converting a Single-Ended Signal with AD7982 Differential PulSAR ADC (CN0032)
Converting a Single-Ended Signal with AD7984 Differential PulSAR ADC (CN0033)
標(biāo)準(zhǔn)包裝: 1,000
類型: ADC 驅(qū)動器
應(yīng)用: 數(shù)據(jù)采集
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SO
包裝: 帶卷 (TR)
ADA4941-1
Rev. C | Page 13 of 24
100
1
100M
FREQUENCY (Hz)
D
IFFE
R
E
N
TIA
L
OU
TP
U
T
V
OLTA
GE
N
OIS
E
(
nV
/
√Hz
)
10
100
1k
10k
100k
1M
10M
05704-
034
Figure 35. Differential Output Voltage Noise vs. Frequency
2.65
2.35
–40
125
TEMPERATURE (°C)
INP
UT
BI
AS
CURRE
NT
(
A)
VS = ±5V
VS = +5V
VS = +3V
2.60
2.55
2.50
2.45
2.40
–25
–10
5
20
35
50
65
80
95
110
05704-
035
Figure 36. Input Bias Current vs. Temperature for Various Supplies
3.3
2.7
–40
120
TEMPERATURE (°C)
RE
F
E
RE
NCE
BI
AS
CURRE
NT
(
A)
–20
0
20
40
60
80
100
05704-
036
3.2
3.1
3.0
2.9
2.8
REFERENCE IBIAS = 5V
REFERENCE IBIAS = 3V
REFERENCE IBIAS = 10V
Figure 37. REF Input Bias Current vs. Temperature
28
0
1
1M
FREQUENCY (Hz)
INP
UT
CURRE
NT
NO
IS
E
(
p
A/
√Hz
)
26
24
22
20
18
16
14
12
10
8
6
4
2
10
100
1k
10k
100k
05704-
037
Figure 38. Input Current Noise vs. Frequency
3.5
1.5
–0.5
10.0
INPUT VOLTAGE WITH RESPECT TO VS– (V)
INP
UT
BI
AS
CURRE
NT
(
A)
05704-
038
3.0
2.5
2.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
VS = ±5V
VS = +5V
VS = +3V
Figure 39. Input Bias Current vs. Input Voltage
4.0
2.0
0
10.0
REFERENCE INPUT VOLTAGE WITH RESPECT TO VS– (V)
RE
F
E
RE
NCE
I
NP
UT
BI
AS
CURRE
NT
(
A)
05704-
039
3.5
3.0
2.5
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
VS = ±5V
VREF = VIN
VS = +5V
VS = +3V
Figure 40. REF Input Bias Current vs. REF Input Voltage
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