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| 型号： | ADA4939-2YCPZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 3/24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 11 of 24
–60
–110
–105
–100
–95
–90
–85
–80
–75
–70
–65
1
10
100
HAR
M
O
NI
C
DI
S
T
O
RT
IO
N
(
d
Bc)
FREQUENCY (MHz)
HD2, VS (SPLIT SUPPLY) = ±2.5V
HD3, VS (SPLIT SUPPLY) = ±2.5V
HD2, VS (SPLIT SUPPLY) = ±1.65V
HD3, VS (SPLIT SUPPLY) = ±1.65V
VOUT, dm = 2V p-p
07
42
9-
0
62
Figure 19. Harmonic Distortion vs. Frequency at Various Supplies
–40
–120
–110
–100
–90
–80
–70
–60
–50
1.0
4.0
3.8
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
D
IS
T
OR
TION
(
d
B
c)
VOCM (V)
HD2, f = 10MHz
HD3, f = 10MHz
HD2, f = 70MHz
HD3, f = 70MHz
VOUT, dm = 2V p-p
07
42
9-
02
5
Figure 20. Harmonic Distortion vs. VOCM at Various Frequencies
–40
–130
–120
–110
–100
–90
–80
–70
–60
–50
1.21.41.61.82
D
IS
T
OR
TION
(
d
B
c)
VOCM (V)
.0
HD2, f = 10MHz
HD3, f = 10MHz
HD2, f = 70MHz
HD3, f = 70MHz
VOUT, dm = 2V p-p
07
42
9-
02
6
Figure 21. Harmonic Distortion vs. VOCM at Various Frequencies
–40
–130
–120
–110
–100
–90
–80
–70
–60
–50
07
6
5
4
3
2
1
D
IS
T
OR
TION
(
d
B
c)
VOUT, dm (V p-p)
HD2, VS = 5.0
HD3, VS = 5.0
HD2, VS = 3.3
HD3, VS = 3.3
07
42
9-
02
4
Figure 22. Harmonic Distortion vs. VOUT, dm and Supply Voltage, f = 10 MHz
10
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
69.5
70.5
70.4
70.3
70.2
70.1
70.0
69.9
69.8
69.7
69.6
NO
RM
AL
IZ
E
D
S
P
E
CT
RUM
(d
Bc)
FREQUENCY (MHz)
VOUT, dm = 2V p-p
VS = ±2.5V
07
42
9-
0
28
Figure 23. 70 MHz Intermodulation Distortion
–30
–35
–40
–45
–50
–55
–60
–65
–70
110
100
CM
RR
(
d
B)
FREQUENCY (MHz)
1k
RL, dm = 200
07
42
9-
0
29
Figure 24. CMRR vs. Frequency
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