VIN 20V p-p 3 2 U1 +13V –13V R4 2k R2 2k R" />
參數(shù)資料
型號(hào)： AD8610BRZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 5/24頁(yè)
文件大小： 0K
描述： IC OPAMP JFET 25MHZ PREC 8SOIC
產(chǎn)品培訓(xùn)模塊： Power Line Monitoring
Top Five Problems in Photodiode Opamp Circuits
設(shè)計(jì)資源： Precision, AC Reference Signal Attenuator Using AD5546/56 Multiplying DAC (CN0025)
標(biāo)準(zhǔn)包裝： 1
放大器類(lèi)型： J-FET
電路數(shù)： 1
轉(zhuǎn)換速率： 60 V/µs
增益帶寬積： 25MHz
電流 - 輸入偏壓： 3pA
電壓 - 輸入偏移： 45µV
電流 - 電源： 3mA
電流 - 輸出 / 通道： 45mA
電壓 - 電源，單路/雙路(±)： ±5 V ~ 13 V
工作溫度： -40°C ~ 125°C
安裝類(lèi)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： 管件
產(chǎn)品目錄頁(yè)面： 773 (CN2011-ZH PDF)
AD8610/AD8620
Rev. F | Page 13 of 24
THEORY OF OPERATION
+
–
VIN
20V p-p
3
2
U1
+13V
–13V
R4
2k
R2
2k
R1
20k
R3
2k U2
5
6
7
V+
V–
V+
CS (dB) = 20 log (VOUT / 10 × VIN)
0
27
30
-04
1
Figure 41. Channel Separation Test Circuit
FUNCTIONAL DESCRIPTION
The AD8610/AD8620 are manufactured on the Analog Devices,
Inc., XFCB (eXtra fast complementary bipolar) process. XFCB
is fully dielectrically isolated (DI) and used in conjunction with
N-channel JFET technology and thin film resistors (that can be
trimmed) to create the JFET input amplifier. Dielectrically isolated
NPN and PNP transistors fabricated on XFCB have an fτ > 3 GHz.
Low TC thin film resistors enable very accurate offset voltage and
offset voltage temperature coefficient trimming. These process
breakthroughs allow Analog Devices IC designers to create an
amplifier with faster slew rate and more than 50% higher band-
width at half of the current consumed by its closest competition.
The AD8610/AD8620 are unconditionally stable in all gains,
even with capacitive loads well in excess of 1 nF. The AD8610B
grade achieves less than 100 μV of offset and 1 μV/°C of offset
drift, numbers usually associated with very high precision bipolar
input amplifiers. The AD8610 is offered in the tiny 8-lead MSOP
as well as narrow 8-lead SOIC surface-mount packages and is
fully specified with supply voltages from ±5.0 V to ±13 V. The
very wide specified temperature range, up to 125°C, guarantees
superior operation in systems with little or no active cooling.
The unique input architecture of the AD8610/AD8620 features
extremely low input bias currents and very low input offset voltage.
Low power consumption minimizes the die temperature and
maintains the very low input bias current. Unlike many competi-
tive JFET amplifiers, the AD8610/AD8620 input bias currents are
low even at elevated temperatures. Typical bias currents are less
than 200 pA at 85°C. The gate current of a JFET doubles every
10°C, resulting in a similar increase in input bias current over
temperature. Give special care to the PC board layout to minimize
leakage currents between PCB traces. Improper layout and
board handling generates a leakage current that exceeds the bias
current of the AD8610/AD8620.
138
136
120
128
126
124
122
132
130
134
02
73
0-
0
42
CS
(
d
B)
FREQUENCY (kHz)
0
100
150
200
50
250
300
350
Figure 42. AD8620 Channel Separation Graph
Power Consumption
A major advantage of the AD8610/AD8620 in new designs is
the power saving capability. Lower power consumption of the
AD8610/AD8620 makes them much more attractive for portable
instrumentation and for high density systems, simplifying thermal
management, and reducing power-supply performance require-
ments. Compare the power consumption of the AD8610 vs. the
OPA627 in Figure 43.
8
7
2
6
5
4
3
02
73
0-
04
3
SU
PP
L
Y
C
U
R
EN
T
(m
A
)
TEMPERATURE (°C)
–75
–25
0
25
–50
50
75
100
125
OPA627
AD8610
Figure 43. Supply Current vs. Temperature
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參數(shù)描述
AD8610BRZ 制造商:Analog Devices 功能描述:IC, OP-AMP, 25MHZ, 60V/ us, SOIC-8
AD8610BRZ-REEL 功能描述:IC OPAMP JFET 25MHZ PREC 8SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:Excalibur™ 放大器類(lèi)型:J-FET 電路數(shù):1 輸出類(lèi)型:- 轉(zhuǎn)換速率:45 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:20pA 電壓 - 輸入偏移:490µV 電流 - 電源:1.7mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)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-SOIC 包裝:帶卷 (TR)
AD8610BRZ-REEL7 功能描述:IC OPAMP JFET 25MHZ PREC 8SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:Excalibur™ 放大器類(lèi)型:J-FET 電路數(shù):1 輸出類(lèi)型:- 轉(zhuǎn)換速率:45 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:20pA 電壓 - 輸入偏移:490µV 電流 - 電源:1.7mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)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-SOIC 包裝:帶卷 (TR)
AD8611 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultrafast, 4 ns Single-Supply Comparators
AD8611_06 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultrafast, 4 ns Single-Supply Comparators
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