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AS1712A 参数 Datasheet PDF下载

AS1712A图片预览
型号: AS1712A
PDF下载: 下载PDF文件 查看货源
内容描述: 高输出驱动, 10MHz的, 10V / μs的轨至轨输入/输出运算放大器,带有关断 [High-Output-Drive, 10MHz, 10V/レs, Rail-to-Rail I/O Op Amps with Shutdown]
分类和应用: 运算放大器驱动
文件页数/大小: 17 页 / 752 K
品牌: AMSCO [ AUSTRIAMICROSYSTEMS AG ]
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AS1710/AS1712
High-Output-Drive, 10MHz, 10V/µs, Rail-to-Rail I/O
O p A m ps w i t h S h u td o w n
D a ta S he e t
1 General Description
The AS1710/AS1712 are low-offset, high-output CMOS
op amps that deliver 200mA of peak output current from
a single supply (2.7 to 5.5V).
These devices were specifically designed to drive typical
headset levels (32Ω), as well as bias RF power amplifi-
ers for wireless handset applications.
The devices are available as the standard products
shown in
See also
Table 1. Standard Products
Model
AS1710A
AS1710B
AS1712A
Description
Single Op Amp
with Shutdown
Single Op Amp
Quad Op Amp
w/Shutdown
Package
SC70-6
SC70-5
TQFN-16
3x3mm
2 Key Features
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Constant Output Drive Capability: 50mA
Rail-to-Rail Input and Output
Supply Current: 1.6mA
Single-Supply Operation: 2.7 to 5.5V
Gain-Bandwidth Product: 10MHz
High Slew Rate: 10V/µs
Voltage Gain: 100dB (R
LOAD
= 100kΩ)
Power-Supply Rejection Ratio: -85dB
No Phase Reversal for Overdriven Inputs
Unity-Gain Stable for Capacitive Loads: Up to 100pF
Shutdown Mode (AS1710A) Current: 1nA typ
Package Types:
- SC70-6
- SC70-5
- TQFN-16 3x3mm
These rail-to-rail I/O, wide-bandwidth amplifiers exhibit a
high slew rate of 10V/µs and a gain-bandwidth product
of 10MHz.
The integrated shutdown feature (not included in B ver-
sions) drives the output low.
These devices operate over the entire automotive tem-
perature range (-40°C to +125°C).
3 Applications
The devices are ideal for portable/battery-powered
audio applications, portable headphone speaker drivers
(32Ω), hands-free mobile phone kits, TFT panels, sound
ports/cards, set-top boxes, biasing controls, DAC con-
verter buffers, transformer/line drivers, motor drivers,
and any other battery-operated audio device.
Figure 1. Typical Application
R
F
C
IN
R
IN
Headphone Jack
to 32Ω Stereo
Headset
Audio In
Left
AS1710
C
OUT
+
+
V
BIAS
+
AS1710
Audio In
Right
C
IN
C
OUT
+
R
IN
R
F
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Revision 1.04
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