参数资料
型号: AD8042ARZ-REEL
厂商: Analog Devices Inc
文件页数: 2/17页
文件大小: 0K
描述: IC OPAMP VF R-R DUAL LP 8SOIC
设计资源: Single-Ended-to-Differential Converters for Voltage Output and Current Output DACs Using AD8042 (CN0143)
标准包装: 2,500
放大器类型: 电压反馈
电路数: 2
输出类型: 满摆幅
转换速率: 225 V/µs
-3db带宽: 170MHz
电流 - 输入偏压: 1.2µA
电压 - 输入偏移: 3000µV
电流 - 电源: 6mA
电流 - 输出 / 通道: 50mA
电压 - 电源,单路/双路(±): 3 V ~ 12 V,±1.5 V ~ 6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 带卷 (TR)
AD8042
Rev. E | Page 9 of 16
10
100
C
L
OS
E
D
-LO
O
P
GA
IN
(d
B
)
FREQUENCY (MHz)
010
59
-01
7
10
8
6
4
2
0
–2
–4
–6
–8
–10
1500
60
55
50
45
40
35
30
25
20
0.5
2.0
1.5
1.0
SET
T
L
IN
G
T
IME
(
n
s)
INPUT STEP (V)
01
05
9-
020
VS = 5V
G = +1
CL = 5pF
RL = 2k TO 2.5V
T = +85°C
T = +25°C
T = –40°C
Figure 17. Closed-Loop Frequency Response vs. Temperature
12
10
8
6
4
2
0
–2
–4
–6
–8
1500
G = –1
RL = 2k TO MIDPOINT
CL = 5pF
VS = +3V, 0.1%
VS = +3V, 1%
VS = +5V, 0.1%
VS = ±5V, 0.1%
VS = +5V, 1%
VS = ±5V, 1%
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
10k
500M
100k
10M
100M
1M
CO
M
O
N-
M
O
DE
RE
JE
CT
IO
N
(d
B)
FREQUENCY (Hz)
01
05
9-
02
1
10
100
C
L
OS
E
D
-LO
O
P
GA
IN
(d
B
)
FREQUENCY (MHz)
010
59
-01
8
G = +1
CL = 5pF
RL = 2k
VS = +3V
RL AND CL TO 1.5V
VS = ±5V
VS = +5V
RL AND CL TO 2.5V
Figure 18. Closed-Loop Frequency Response vs. Supply
100
10
1
0.1
0.01
500
0.1
10
100
1
O
UT
P
UT
RE
S
IS
T
ANCE
(
)
FREQUENCY (MHz)
01
05
9-
01
9
VS = 5V
G = +1
RBT = 50
RBT = 0
RBT
VOUT
Figure 19. Output Resistance vs. Frequency
Figure 20. Settling Time vs. Input Voltage
TEST CIRCUIT:
VS = 5V
OUT
INCM
1.02k
Figure 21. Common-Mode Rejection vs. Frequency
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
5
10
15
20
25
30
35
40
45
50
O
U
TP
U
T
S
A
TU
R
A
TI
O
N
V
O
L
TA
G
E
(V
)
LOAD CURRENT (mA)
01
05
9-
02
2
VS = 5V
5V – VOH (+125°C)
5V – VOH (+25°C)
5V – VOH (–55°C)
+VOL (+125°C)
+VOL (+25°C)
+VOL (–55°C)
Figure 22. Output Saturation Voltage vs. Load Current
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