參數(shù)資料
型號(hào)： THS3115
英文描述： LOW-NOISE, HIGH-SPEED CURRENT FEEDBACK AMPLIFIERS
中文描述： 低噪聲，高速電流反饋放大器
文件頁數(shù)： 1/14頁
文件大小： 371K
代理商： THS3115
THS3112
THS3115
SLOS385 – SEPTEMBER 2001
LOW-NOISE, HIGH-SPEED CURRENT FEEDBACK AMPLIFIERS
1
www.ti.com
FEATURES
Low Noise
– 2.9 pA/
√
Hz Noninverting Current Noise
– 10.8 pA/
√
Hz Inverting Current Noise
– 2.2 nV/
√
Hz Voltage Noise
Wide Supply Voltage Range
±
5 V to
±
15 V
Wide Output Swing
– 25 V
PP
Output Voltage, R
L
= 100
,
±
15-V
Supply
High Output Current, 150 mA (Min)
High Speed
– 110 MHz (–3 dB, G=1,
±
15 V)
– 1550 V/
μ
s Slew Rate (G = 2,
±
15 V)
Low Distortion, G = 2
– -78 dBc (1 MHz, 2 V
PP
, 100-
load)
Low Power Shutdown (THS3115)
– 300-
μ
A Shutdown Quiescent Current Per
Channel
Thermal Shutdown and Short Circuit
Protection
Standard SOIC, SOIC PowerPAD
, and
TSSOP PowerPAD
Package
Evaluation Module Available
APPLICATIONS
Communication Equipment
Video Distribution
Motor Drivers
Piezo Drivers
DESCRIPTION
The THS3112/5 are low-noise, high-speed current
feedback amplifiers, ideal for any application requiring
high output current. The low noninverting current noise
of 2.9 pA/
√
Hz and the low inverting current noise of 10.8
pA/
√
Hz increase signal to noise ratios for enhanced
signal resolution. The THS3112/5 can operate from
±
5-V to
±
15-V supply voltages, while drawing as little as
4.5 mA of supply current per channel. It offers low
–78-dBc total harmonic distortion driving 2 V
PP
into a
100-
load. The THS3115 features a low power
shutdown mode, consuming only 300-
μ
A shutdown
quiescent current per channel. The THS3112/5 is
packaged in a standard SOIC, SOIC PowerPAD
, and
TSSOP PowerPAD packages.
1
10
100
10
100
1 K
10 K
100 K
f – Frequency – Hz
–
I
VOLTAGE NOISE AND CURRENT NOISE
vs
FREQUENCY
V
–
p
H
n
H
In–
In+
Vn
VCC =
±
5 V to
±
15 V
TA = 25
°
C
THS3112
SOIC (D) AND
SOIC PowerPAD
(DDA) PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
1 OUT
1 IN–
1 IN+
V
CC–
V
CC+
2 OUT
2 IN–
2 IN+
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1 OUT
1 IN–
1 IN+
V
CC–
N/C
GND
N/C
V
CC+
2 OUT
2 IN–
2 IN+
N/C
SHUTDOWN
N/C
THS3115
SOIC (D) AND
TSSOP PowerPAD
(PWP) PACKAGE
(TOP VIEW)
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments.
Copyright
2001, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
THS3115CD 功能描述:高速運(yùn)算放大器 Dual Lo-Noise Hi-Out Current 110-MHz RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
THS3115CDG4 功能描述:高速運(yùn)算放大器 Dual Lo-Noise Hi-Out Current 110-MHz RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
THS3115CDR 功能描述:高速運(yùn)算放大器 Dual Lo-Noise Hi-Out Current 110-MHz RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
THS3115CDRG4 功能描述:高速運(yùn)算放大器 Dual Lo-Noise Hi-Out Current 110-MHz RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
THS3115CPWP 功能描述:高速運(yùn)算放大器 Dual Lo-Noise Hi-Out Current 110-MHz RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
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