參數(shù)資料
型號: ADA4938-2ACPZ-R7
廠商: Analog Devices Inc
文件頁數(shù): 7/28頁
文件大?。?/td> 0K
描述: IC ADC DRIVER DIFF DUAL 24LFCSP
標準包裝: 1
類型: ADC 驅動器
應用: 數(shù)據采集
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: 標準包裝
產品目錄頁面: 765 (CN2011-ZH PDF)
其它名稱: ADA4938-2ACPZ-R7DKR
ADA4938-1/ADA4938-2
Rev. A | Page 15 of 28
0.20
–0.20
–0.15
–0.10
–0.05
0
0.05
0.10
0.15
VO
L
T
A
G
E
(
V)
TIME (1ns/DIV)
06
59
2-
14
2
Figure 43. Small Signal Transient Response, VOUT = 0.1 V p-p
06
59
2-
0
43
0.10
0.08
0.04
0.06
0.02
0
–0.02
–0.04
–0.06
–0.08
–0.10
VO
L
T
A
G
E
(V
)
TIME (2ns/DIV)
Figure 44. VOCM Small Signal Transient Response, VOUT = 0.1 V p-p
2.0
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
4.0
60
50
40
30
20
10
0
CUR
RE
NT
(
m
A)
VOLTAGE (V)
+85°C
+25°C
–40°C
06
59
2-
1
44
Figure 45. Supply Current vs. Power-Down Voltage and Temperature, VS = 5 V
3.0
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
2.5
VO
L
T
A
G
E
(
V)
TIME (1ns/DIV)
06
59
2-
14
5
Figure 46. Large Signal Transient Response
06
59
2-
0
46
2.5
2.0
1.0
1.5
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
VO
L
T
A
G
E
(
V)
TIME (2ns/DIV)
Figure 47. VOCM Large Signal Transient Response
3
0
–3
–6
–9
–12
1
10
100
1000
C
L
O
S
E
D
-L
OOP
GA
IN
(d
B
)
FREQUENCY (MHz)
VOCM = –3.7V
ALL CURVES ARE
NORMALIZED TO VOCM = 0V
VOCM = –3.5V
VOCM = –3V
VOCM = 0V
VOCM = +3V
VOCM = +3.5V
VOCM = +3.7V
06
59
2
-04
8
Figure 48. VOUT, dm Small Signal Frequency Response for Various VOCM,
VOUT = 0.1 V p-p
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