參數(shù)資料
型號(hào): ADA4938-2ACPZ-R7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 6/28頁(yè)
文件大小: 0K
描述: IC ADC DRIVER DIFF DUAL 24LFCSP
標(biāo)準(zhǔn)包裝: 1
類(lèi)型: ADC 驅(qū)動(dòng)器
應(yīng)用: 數(shù)據(jù)采集
安裝類(lèi)型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤(pán),CSP
供應(yīng)商設(shè)備封裝: 24-LFCSP-VQ(4x4)
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面: 765 (CN2011-ZH PDF)
其它名稱(chēng): ADA4938-2ACPZ-R7DKR
ADA4938-1/ADA4938-2
Rev. A | Page 14 of 28
26
24
22
20
18
16
14
12
10
500
100
NO
IS
E
F
IG
URE
(d
B)
FREQUENCY (MHz)
06
59
2-
1
36
G = +1
G = +2
G = +4
Figure 37. Noise Figure vs. Frequency
060
55
50
45
40
35
30
25
20
15
10
5
10
–10
–8
–6
–4
–2
0
2
4
6
8
VO
L
T
A
G
E
(
V)
TIME (5ns/DIV)
VIN × 3.16
VOUT, dm
06
59
2-
1
37
Figure 38. Overdrive Recovery Time (Pulse Input)
0500
450
400
350
300
250
200
150
100
50
12
–12
–10
–8
–6
–4
–2
0
2
4
6
8
10
VO
L
T
A
G
E
(
V)
TIME (50ns/DIV)
VIN × 3.16
VOUT, dm
06
59
2-
1
38
Figure 39. Overdrive Amplitude Characteristics (Triangle Wave Input)
06
59
2-
03
9
100
10
1
10
100
1k
10k
100M
100k
1M
10M
IN
PU
T
VO
L
T
A
G
E
N
O
IS
E
(
n
V
/
H
z
)
FREQUENCY (Hz)
Figure 40. Input Voltage Noise vs. Frequency
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
VO
L
T
A
G
E
(
V)
TIME (200ns/DIV)
PD INPUT
NEGATIVE OUTPUT
06
59
2-
1
40
Figure 41. Power-Down Response Time
2.0
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
4.0
45
40
35
30
25
20
15
10
5
0
CUR
RE
NT
(
m
A)
VOLTAGE (V)
+85°C
+25°C
–40°C
06
59
2-
1
41
Figure 42. Supply Current vs. Power-Down Voltage and Temperature
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