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參數(shù)資料
| 型號： | AD8644 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Single and Quad +18 V Operational Amplifiers |
| 中文描述： | 單路和四路運算放大器18 V |
| 文件頁數(shù)： | 8/8頁 |
| 文件大小： | 303K |
| 代理商： | AD8644 |
–8–
REV. 0
C
P
AD8614/AD8644
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
5-Lead SOT-23
(RT Suffix)
0.1181 (3.00)
0.1102 (2.80)
PIN 1
0.0669 (1.70)
0.0590 (1.50)
0.1181 (3.00)
0.1024 (2.60)
1
3
4
5
0.0748 (1.90)
BSC
0.0374 (0.95) BSC
2
0.0079 (0.20)
0.0031 (0.08)
0.0217 (0.55)
0.0138 (0.35)
10
8
0
8
0.0197 (0.50)
0.0138 (0.35)
0.0059 (0.15)
0.0019 (0.05)
0.0512 (1.30)
0.0354 (0.90)
SEATING
PLANE
0.0571 (1.45)
0.0374 (0.95)
14-Lead TSSOP
(RU Suffix)
14
8
7
1
0.201 (5.10)
0.193 (4.90)
0
0
0
0
PIN 1
SEATING
PLANE
0.006 (0.15)
0.002 (0.05)
0.0118 (0.30)
0.0075 (0.19)
0.0256
(0.65)
BSC
0.0433
(1.10)
MAX
0.0079 (0.20)
0.0035 (0.090)
0.028 (0.70)
0.020 (0.50)
8
8
0
8
14-Lead Narrow SOIC
(R Suffix)
14
8
7
1
0.3444 (8.75)
0.3367 (8.55)
0.2440 (6.20)
0.2284 (5.80)
0.1574 (4.00)
0.1497 (3.80)
PIN 1
SEATING
PLANE
0.0098 (0.25)
0.0040 (0.10)
0.0192 (0.49)
0.0138 (0.35)
0.0688 (1.75)
0.0532 (1.35)
0.0500
(1.27)
BSC
0.0099 (0.25)
0.0075 (0.19)
0.0500 (1.27)
0.0160 (0.41)
8
8
0
8
0.0196 (0.50)
8
The remaining two amplifiers can be used as low voltage
microphone preamplifiers. A single AD8614 can be used as a
stand-alone microphone preamplifier. Figure 29 shows this
implementation.
AD1881
(AC'97)
V
REF
10k
V
21
MIC 1 IN
A
V
= 20dB
1k
V
1
m
F
2.2k
V
5V
10k
V
A
V
= +20dB
1k
V
1
m
F
2.2k
V
5V
MIC 1
MIC 2
22
MIC 2 IN
27
Figure 29. Microphone Preamplifier
SPICE Model Availability
The SPICE model for the AD8614/AD8644 amplifier is available
and can be downloaded from the Analog Devices’ web site at
http://www.analog.com
. The macro-model accurately simulates
a number of AD8614/AD8644 parameters, including offset volt-
age, input common-mode range, and rail-to-rail output swing.
The output voltage versus output current characteristic of the
macro-model is identical to the actual AD8614/AD8644 perfor-
mance, which is a critical feature with a rail-to-rail amplifier model.
The model also accurately simulates many ac effects, such as gain
bandwidth product, phase margin, input voltage noise, CMRR and
PSRR versus frequency, and transient response. Its high degree of
model accuracy makes the AD8614/AD8644 macro-model one of
the most reliable and true-to-life models available for any amplifier.
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PDF描述 |
|---|---|
| AD8644AR2 | Single and Quad +18 V Operational Amplifiers |
| AD8644ARU | Single and Quad +18 V Operational Amplifiers |
| AD8615 | Precision 20 MHz CMOS Rail-to-Rail Input/Output Operational Amplifiers |
| AD8615ARJ | Precision 20 MHz CMOS Rail-to-Rail Input/Output Operational Amplifiers |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8644AR | 制造商:Analog Devices 功能描述:OP Amp Quad GP R-R I/O 18V 14-Pin SOIC N 制造商:Rochester Electronics LLC 功能描述:QUAD 18V LCD DRIVER - Bulk |
| AD8644AR2 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Single and Quad +18 V Operational Amplifiers |
| AD8644AR-REEL | 制造商:Analog Devices 功能描述:OP Amp Quad GP R-R I/O 18V 14-Pin SOIC N T/R |
| AD8644AR-REEL7 | 制造商:Analog Devices 功能描述:OP Amp Quad GP R-R I/O 18V 14-Pin SOIC N T/R |
| AD8644ARU | 制造商:Analog Devices 功能描述:OP Amp Quad GP R-R I/O 18V 14-Pin TSSOP 制造商:Rochester Electronics LLC 功能描述:QUAD 18V LCD DRIVER - Bulk |
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