參數(shù)資料
型號: ADA4940-2ACPZ-RL
廠商: Analog Devices Inc
文件頁數(shù): 11/33頁
文件大?。?/td> 0K
描述: IC DIFF ADC DVR 18BIT LN 24LFCSP
標準包裝: 5,000
放大器類型: 差分
電路數(shù): 2
輸出類型: 差分
轉(zhuǎn)換速率: 95 V/µs
-3db帶寬: 260MHz
電流 - 輸入偏壓: 1.1µA
電壓 - 輸入偏移: 60µV
電流 - 電源: 1.25mA
電流 - 輸出 / 通道: 46mA
電壓 - 電源,單路/雙路(±): 3 V ~ 7 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤,CSP
供應商設備封裝: 24-LFCSP-VQ(4x4)
包裝: 帶卷 (TR)
ADA4940-1/ADA4940-2
Data Sheet
Rev. C | Page 18 of 32
100
–100
0
150
OU
TP
U
T
V
OLTA
GE
(
m
V
)
TIME (ns)
–80
–60
–40
–20
0
20
40
60
80
10 20 30 40 50 60 70 80 90 100 110 120 130 140
VOUT, dm = 0.1V p-p
G = 2, RL = 1kΩ
G = 1, RL = 1kΩ
G = 1, RL = 200Ω
G = 2, RL = 200Ω
08452-
042
Figure 49. Small Signal Transient Response for Various Gains and Loads
(LFCSP)
–100
–80
–60
–40
–20
0
20
40
60
80
100
0
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
OU
TP
U
T
V
O
LT
A
G
E
(m
V)
TIME (ns)
VOUT, dm = 0.1V
VS = ±1.5V
VS = ±3.5V
VS = ±2.5V
08452-
043
Figure 50. Small Signal Transient Response for Various Supplies (LFCSP)
100
–100
0
150
OU
TP
U
T
V
OLTA
GE
(
m
V
)
TIME (ns)
–80
–60
–40
–20
0
20
40
60
80
10 20 30 40 50 60 70 80 90 100 110 120 130 140
CDIFF = 0pF
VOUT, dm = 0.1V p-p
CCOM1 = CCOM2 = 0pF
CCOM1 = CCOM2 = 0.5pF
CCOM1 = CCOM2 = 1pF
CCOM1 = CCOM2 = 2pF
08452-
044
Figure 51. Small Signal Transient Response for Various Capacitive Loads
(LFCSP)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
OU
TP
U
T
V
OLTA
GE
(
V
)
TIME (ns)
VOUT, dm = 2V p-p
G = 1, RL = 1kΩ
G = 1, RL = 200Ω
G = 2, RL = 1kΩ
G = 2, RL = 200Ω
08452-
045
0
300
20 40 60 80 100 120 140 160 180 200 220 240 260 280
Figure 52. Large Signal Transient Response for Various Gains and Loads
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
0
20 40 60 80 100 120 140 160 180 200 220 240 260 280 300
OU
TP
U
T
V
O
LT
A
G
E
(V)
TIME (ns)
VOUT, dm = 2V p-p
VS = ±3.5V
VS = ±1.5V
VS = ±2.5V
08452-
046
Figure 53. Large Signal Transient Response for Various Supplies
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
OU
TP
U
T
V
OLTA
GE
(
V
)
TIME (ns)
CDIFF = 0pF
VOUT, dm = 2V p-p
CCOM1 = CCOM2 = 0pF
CCOM1 = CCOM2 = 0.5pF
CCOM1 = CCOM2 = 1pF
CCOM1 = CCOM2 = 2pF
08452-
047
0
300
20 40 60 80 100 120 140 160 180 200 220 240 260 280
Figure 54. Large Signal Transient Response for Various Capacitive Loads
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