參數(shù)資料
型號(hào): AD8539ARZ-REEL7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 8/24頁(yè)
文件大小: 0K
描述: IC OPAMP CHOPPER 430KHZ LP 8SOIC
標(biāo)準(zhǔn)包裝: 1,000
放大器類型: 斷路器(零漂移)
電路數(shù): 2
轉(zhuǎn)換速率: 0.4 V/µs
增益帶寬積: 430kHz
電流 - 輸入偏壓: 15pA
電壓 - 輸入偏移: 5µV
電流 - 電源: 170µA
電流 - 輸出 / 通道: 25mA
電壓 - 電源,單路/雙路(±): 2.7 V ~ 5.5 V,±1.35 V ~ 2.75 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SO
包裝: 帶卷 (TR)
AD8538/AD8539
Data Sheet
Rev. B | Page 16 of 24
06741-
047
1000
900
800
700
600
500
400
300
200
100
0.01
Z
O
UT
()
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
AD8539
VSY = ±2.5V
AV = 100
AV = 10
AV = 1
Figure 46. AD8539 Closed-Loop Output Impedance vs. Frequency
06741-
048
60
50
40
30
20
10
0
O
VER
SH
O
T
(%
)
1
10
100
1k
CAPACITANCE (pF)
OS–
OS+
AD8539
VSY = ±2.5V
RL = 2k
Figure 47. AD8539 Small Signal Overshoot vs. Load Capacitance
06741-
049
TIME (2s/DIV)
V
OLTA
GE
(
5
0
m
V
/D
IV
)
AD8539
VSY = 5V
AV = 1
CL = 300pF
RL = 2k
Figure 48. AD8539 Small Signal Transient Response
06741-
050
TIME (4s/DIV)
V
OLTA
GE
(
1
V
/D
IV
)
AD8539
VSY = 5V
AV = 1
CL = 300pF
RL = 10k
Figure 49. AD8539 Large Signal Transient Response
06741-
051
INPUT VOLTAGE
OUTPUT VOLTAGE
AD8539
VSY = ±2.5V
AV = –50
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
–0.25
IN
P
U
T
V
OLTA
GE
(
5
0
m
V
/D
IV
)
5
4
3
2
1
0
–1
–2
–3
OU
TP
U
T
V
OLTA
GE
(
1
V
/D
IV
)
TIME (20s/DIV)
Figure 50. AD8539 Positive Overload Recovery
06741-
052
INPUT VOLTAGE
OUTPUT VOLTAGE
AD8539
VSY = ±2.5V
AV = –50
0.05
0
–0.05
–0.10
–0.15
–0.20
–0.25
–0.30
–0.35
IN
P
U
T
V
OLTA
GE
(
5
0
m
V
/D
IV
)
7.5
6.5
5.5
4.5
3.5
2.5
1.5
0.5
–0.5
OU
TP
U
T
V
OLTA
GE
(
5
V
/D
IV
)
TIME (20s/DIV)
Figure 51. AD8539 Negative Overload Recovery
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