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参数资料
| 型号： | ADA4939-2YCPZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/24页 |
| 文件大小： | 0K |
| 描述： | IC AMP DIFF DUAL ULDIST 24LFCSP |
| 标准包装： | 1 |
| 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： | 标准包装 |
| 产品目录页面： | 781 (CN2011-ZH PDF) |
| 其它名称： | ADA4939-2YCPZ-R7DKR |
ADA4939-1/ADA4939-2
Rev. 0 | Page 10 of 24
3
–12
–10
–8
–6
–4
–2
0
2
–11
–9
–7
–5
–3
–1
1
10
100
1k
NO
RM
AL
IZ
E
D
CL
O
S
E
D
-L
O
P
G
AI
N
(
d
B)
FREQUENCY (MHz)
RL = 1k
RL = 200
07
42
9-
0
13
VOUT, dm = 100mV p-p
Figure 13. Small Signal Frequency Response for Various Loads
6
–9
–6
–3
3
0
1
10
100
1k
V
OC
M
GA
IN
(d
B
)
FREQUENCY (MHz)
VOCM = 1.0V
VOCM = 3.9V
VOCM = 2.5V
07
42
9-
0
19
VOUT, dm = 100mV p-p
Figure 14. VOCM Small Signal Frequency Response at Various DC Levels
0.5
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
1
10
100
1k
NO
RM
AL
IZ
E
D
CL
O
S
E
D
-L
O
P
G
AI
N
(
d
B)
FREQUENCY (MHz)
RL = 1k
RL = 200
RL = 1k OUT1
RL = 1k OUT2
RL = 200 OUT1
RL = 200 OUT2
07
42
9-
0
20
VOUT, dm = 100mV p-p
Figure 15. 0.1 dB Flatness Small Signal Response for Various Loads
3
–12
–10
–8
–6
–4
–2
0
2
–11
–9
–7
–5
–3
–1
1
10
100
1k
NO
RM
AL
IZ
E
D
CL
O
S
E
D
-L
O
P
G
AI
N
(
d
B)
FREQUENCY (MHz)
RL = 1k
RL = 200
07
42
9-
0
16
VOUT, dm = 2V p-p
Figure 16. Large Signal Frequency Response for Various Loads
–55
–115
–110
–105
–100
–95
–90
–85
–80
–75
–70
–65
–60
1
10
100
H
ARM
O
N
IC
DI
S
T
O
R
T
IO
N
(
d
Bc)
FREQUENCY (MHz)
VOUT, dm = 2V p-p
HD2, G = 2
HD3, G = 2
HD2, G = 3.16
HD3, G = 3.16
HD2, G = 5
HD3, G = 5
07
42
9-
0
22
Figure 17. Harmonic Distortion vs. Frequency at Various Gains
–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, RL, dm = 1k
HD3, RL, dm = 1k
HD2, RL, dm = 200
HD3, RL, dm = 200
VOUT, dm = 2V p-p
VS = ±2.5V
07
42
9-
0
23
Figure 18. Harmonic Distortion vs. Frequency at Various Loads
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| ADA4939-2YCPZ-RL | 功能描述:IC AMP DIFF DUAL ULDIST 24LFCSP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:Excalibur™ 放大器类型:J-FET 电路数:1 输出类型:- 转换速率:45 V/µs 增益带宽积:10MHz -3db带宽:- 电流 - 输入偏压:20pA 电压 - 输入偏移:490µV 电流 - 电源:1.7mA 电流 - 输出 / 通道:48mA 电压 - 电源，单路/双路(±):4.5 V ~ 38 V，±2.25 V ~ 19 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-SOIC 包装:带卷 (TR) |
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