参数资料
型号: ADA4939-2YCPZ-RL
厂商: Analog Devices Inc
文件页数: 5/24页
文件大小: 0K
描述: IC AMP DIFF DUAL ULDIST 24LFCSP
标准包装: 5,000
放大器类型: 差分
电路数: 2
输出类型: 差分
转换速率: 6800 V/µs
-3db带宽: 1.4GHz
电流 - 输入偏压: 10µA
电压 - 输入偏移: 500µV
电流 - 电源: 36.5mA
电流 - 输出 / 通道: 100mA
电压 - 电源,单路/双路(±): 3 V ~ 5.25 V,±1.5 V ~ 2.625 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 24-VFQFN 裸露焊盘,CSP
供应商设备封装: 24-LFCSP-VQ(4x4)
包装: 带卷 (TR)
ADA4939-1/ADA4939-2
Rev. 0 | Page 13 of 24
–60
–105
–100
–95
–90
–85
–80
–75
–70
–65
1
10
100
S
P
U
RI
O
U
S
-F
RE
E
DY
NAM
IC
R
ANG
E
(
d
B
c)
FREQUENCY (MHz)
VOUT, dm = 2V p-p
VS = ±2.5V
RL = 1k
RL = 200
07
42
9-
0
33
Figure 31. Spurious-Free Dynamic Range vs. Frequency at Various Loads
0.12
0.10
0.08
0.06
0.04
0.02
0
–0.02
010
9
8
7
6
5
4
3
2
1
O
UT
P
UT
V
O
L
T
AG
E
(V
)
TIME (ns)
07
42
9-
0
38
Figure 32. Small Signal Pulse Response
2.60
2.40
2.45
2.50
2.55
020
18
16
14
12
10
8
6
4
2
O
UT
P
UT
CO
M
O
N
-M
O
DE
V
O
L
T
AG
E
(
V
)
TIME (ns)
07
42
9-
0
39
Figure 33. VOCM Small Signal Pulse Response
–40
–140
–130
–120
–110
–100
–90
–80
–70
–60
–50
11
100
10
C
RO
S
T
AL
K
(
d
B)
FREQUENCY (MHz)
k
RL, dm = 200
INPUT AMP 1 TO OUTPUT AMP 2
INPUT AMP 2 TO OUTPUT AMP 1
07
42
9-
0
44
Figure 34. Crosstalk vs. Frequency for ADA4939-2
4
–4
–3
–2
–1
0
1
2
3
010
9
8
7
6
5
4
3
2
1
O
UT
P
UT
V
O
L
T
AG
E
(V
)
TIME (ns)
07
42
9-
0
41
Figure 35. Large Signal Pulse Response
4.5
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
020
18
16
14
12
10
8
6
4
2
O
UT
P
UT
CO
M
O
N
-M
O
DE
V
O
L
T
AG
E
(
V
)
TIME (ns)
07
42
9-
0
42
Figure 36. VOCM Large Signal Pulse Response
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