Datasheet > 电源电路 > 线性稳压器IC> ADM7160ACPZN2.5-R7

ADM7160ACPZN2.5-R7

更新时间： 2024-12-01 12:28:11

品牌	Logo	应用领域
亚德诺 - ADI		线性稳压器IC 调节器电源电路光电二极管输出元件
页数	文件大小	规格书
24页	844K
描述
Ultralow Noise, 200 mA Linear Regulator

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Ultralow Noise,

200 mA Linear Regulator

ADM7160

Data Sheet

FEATURES

APPLICATION CIRCUIT

PSRR performance of 54 dB at 100 kHz

Ultralow noise independent of V_OUT

3 µV rms, 0.1 Hz to 10 Hz

9.5 µV rms, 0.1 Hz to 100 kHz

9 µV rms, 10 Hz to 100 kHz

ADM7160

= 2.9V

= 2.5V

OUT

VIN

GND

VOUT

4.7µF

OUT

4.7µF

2.5V TO 5V

OFF

17 µV rms, 10 Hz to 1 MHz

NC = NO CONNECT

Low dropout voltage: 150 mV at 200 mA load

Maximum output current: 200 mA

Input voltage range: 2.2 V to 5.5 V

Low quiescent and shutdown current

Initial accuracy: 1%

VDD VREF

DVDD

16-BIT/18-BIT ADC

DIGITAL

OUTPUT

1.8V TO 5V

IN+

0V TO V

REF

IN–

VDD

Accuracy over line, load, and temperature: −2.5%/+1.5%

5-lead TSOT package and 6-lead LFCSP package

Figure 1. ADM7160 Powering a 16-Bit/18-Bit ADC

APPLICATIONS

ADC/DAC power supplies

RF, VCO, and PLL power supplies

Post dc-to-dc regulation

GENERAL DESCRIPTION

The ADM7160 is an ultralow noise, low dropout linear

regulator that operates from 2.2 V to 5.5 V and provides up to

200 mA of output current. The low 150 mV dropout voltage at

200 mA load improves efficiency and allows operation over a

wide input voltage range.

The ADM7160 is specifically designed for stable operation

with tiny 1 µF, 30% ceramic input and output capacitors to

meet the requirements of high performance, space constrained

applications.

The ADM7160 is available in tiny 5-lead TSOT and 6-lead

LFCSP packages with 16 fixed output voltage options, ranging

from 1.1 V to 3.3 V. The LFCSP offers a very compact solution

that provides excellent thermal performance for applications

that require up to 200 mA of output current in a small, low

profile footprint.

Using an innovative circuit topology, the ADM7160 achieves

ultralow noise performance without the need for a bypass

capacitor, making the device ideal for noise-sensitive analog

front-end and RF applications. The ADM7160 also achieves

ultralow noise performance without compromising PSRR or

transient line and load performance.

Current-limit and thermal overload protection circuits prevent

damage under adverse conditions. The ADM7160 also includes

an internal pull-down resistor on the EN input.

Rev. 0

Document Feedback

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rightsof third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks andregisteredtrademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Technical Support

www.analog.com

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