參數(shù)資料
型號: AD8042ARZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 17/17頁
文件大小: 0K
描述: IC OPAMP VF R-R DUAL LP 8SOIC
設(shè)計資源: Single-Ended-to-Differential Converters for Voltage Output and Current Output DACs Using AD8042 (CN0143)
標(biāo)準(zhǔn)包裝: 2,500
放大器類型: 電壓反饋
電路數(shù): 2
輸出類型: 滿擺幅
轉(zhuǎn)換速率: 225 V/µs
-3db帶寬: 170MHz
電流 - 輸入偏壓: 1.2µA
電壓 - 輸入偏移: 3000µV
電流 - 電源: 6mA
電流 - 輸出 / 通道: 50mA
電壓 - 電源,單路/雙路(±): 3 V ~ 12 V,±1.5 V ~ 6 V
工作溫度: -40°C ~ 85°C
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)
AD8042
Rev. E | Page 8 of 16
30
300
100
10
3
1
10
1G
100M
10M
1M
100k
10k
1k
100
IN
PU
T
VO
L
T
A
G
E
N
O
IS
E
(n
V/
H
z)
FREQUENCY (Hz)
01
05
9-
01
1
Figure 11. Input Voltage Noise vs. Frequency
–60
–40
–30
–50
–70
–100
–80
–90
110
9
8
7
6
5
4
3
2
T
O
T
AL
HARM
O
NI
C
DI
S
T
O
RT
IO
N
(
d
Bc)
FUNDAMENTAL FREQUENCY (MHz)
010
59
-01
2
VS = 3V, AV = –1,
RL = 100 TO 1.5V
VS = 5V, AV = +2,
RL = 100 TO 2.5V
VS = 5V, AV = +1,
RL = 100 TO 2.5V
VS = 5V, AV = +2,
RL = 1k TO 2.5V
VS = 5V, AV = +1,
RL = 1k TO 2.5V
Figure 12. Total Harmonic Distortion vs. Frequency
–60
–40
–30
–50
–70
–110
–100
–80
–90
05.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
W
O
RS
T
HA
RM
O
NI
C
(
d
B
c)
OUTPUT VOLTAGE (V p-p)
010
59
-01
3
10MHz
5MHz
1MHz
VS = 5V, G = +2,
RL = 1k TO 2.5V
Figure 13. Worst Harmonic vs. Output Voltage
0.01
0.03
0.04
0.02
–0.01
0.05
0
–0.01
0.04
0.03
0.02
0.01
0
100
90
80
70
60
50
40
30
20
10
D
IF
F
E
RE
NT
IA
L
PH
A
S
E
R
O
R
(
D
eg
rees)
DI
FFEREN
T
IA
L
G
A
IN
E
R
O
R
(
%
)
MODULATING RAMP LEVEL (IRE)
010
59
-01
4
NTSC SUBCARRIER (3.579MHz)
VS = +5V
G = +2
RL = 150 TO 2.5V
VS = ±5V
G = +2
RL = 150
VS = ±5V
G = +2
RL = 150
VS = +5V
G = +2
RL = 150 TO 2.5V
Figure 14. Differential Gain and Phase Errors
0.6
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
1
500
100
10
NO
RM
AL
IZ
E
D
G
AI
N
(
d
B)
FREQUENCY (MHz)
010
59
-01
5
VS = 5V
G = +2
RF = 200
RL = 150 TO 2.5V
14MHz
Figure 15. 0.1 dB Gain Flatness
P
HAS
E
(
D
eg
re
es
)
120
100
80
60
40
20
0
–20
–40
–60
–80
45
0
–45
–90
–135
–180
–225
–270
0.01
500
10
100
1
0.1
OP
E
N
-L
OOP
GA
IN
(
d
B
)
FREQUENCY (MHz)
010
59
-01
6
VS = 5V
G = +2
RF = 200
RL = 150 TO 2.5V
GAIN
PHASE
Figure 16. Open-Loop Gain and Phase vs. Frequency
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