Datasheet > OPA2846_14

OPA2846_14

更新时间： 2024-11-05 02:58:47

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
24页	358K
描述
Dual, Wideband, Low-Noise, Voltage-Feedback Operational Amplifier

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OPA2846_14 数据手册

OPA2846

SBOS274A −JUNE 2003 − REVISED MARCH 2004

Dual, Wideband, Low-Noise, Voltage-Feedback

Operational Amplifier

FEATURES

DESCRIPTION

HIGH BANDWIDTH: 300MHz (G = +10)

LOW INPUT VOLTAGE NOISE: 1.2nV/√Hz

VERY LOW DISTORTION: –100dBc (5MHz)

HIGH SLEW RATE: 600V/µs

The OPA2846 provides two very low-noise, high gain

bandwidth, voltage-feedback op amps in a single

package. Operating from a low 12.6mA/channel quiescent

current, each channel provides a 1.2nV/√Hz input voltage

noise with a 1.65GHz gain bandwidth product. Minimum

stable gain is specified at +7V/V while exceptional flatness

is ensured at a gain of +10V/V.

HIGH DC ACCURACY: V = 150µV

LOW SUPPLY CURRENT: 12.6mA/ch

HIGH GAIN BANDWIDTH PRODUCT: 1650MHz

STABLE FOR GAINS ≥ +7V/V

The combination of low noise, high slew rate (600V/µs)

and broad bandwidth allow very high SFDR differential

receivers to be implemented. Additionally, decompen-

sated, low-noise, voltage-feedback op amps are ideal for

broadband transimpedance requirements. The dual chan-

nel OPA2846 provides matched channels for high-speed

transimpedance requirements. With over 200MHz band-

width at a gain of 20dB, excellent gain and phase matching

are provided at IF frequencies for matched I and Q channel

amplifiers.

APPLICATIONS

HIGH DYNAMIC RANGE ADC PREAMPS

LOW-NOISE, WIDEBAND, TRANSIMPEDANCE

AMPLIFIERS

OPA2846 RELATED PRODUCTS

WIDEBAND, HIGH GAIN AMPLIFIERS

LOW-NOISE DIFFERENTIAL RECEIVERS

VDSL LINE RECEIVERS

INPUT NOISE

VOLTAGE (nV/√Hz)

GAIN BANDWIDTH

PRODUCT (MHz)

SINGLES

OPA842

OPA843

OPA846

OPA847

2.6

2.0

1.2

200

800

1750

3900

ULTRASOUND CHANNEL AMPLIFIERS

SECURITY SENSOR FRONT ENDS

0.85

Power−supply decoupling

−

+5V

not shown.

V_O= 2V_PPDifferential

C₁

R₁

1000pF

18pF

Ω

100

1/2

V+

OPA2846

2nd−Harmonic

2.1pF

R₂

14−Bit

10MSPS

ADS850

Ω

100

500

1:2

V_I

50Ω

V_CM

0.1

−

100

105

110

2.1pF

R₂

Single−to−Differential

Gain of 10

C₁

R₁

18pF

3rd−Harmonic

1/2

OPA2846

−

1000pF

Ω

100

−

Frequency (MHz)

Differential, 14-Bit, ADC Driver

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.

All trademarks are the property of their respective owners.

ꢀꢁ ꢂ ꢃꢄ ꢅ ꢆꢇ ꢂꢈ ꢃ ꢉꢆꢉ ꢊꢋ ꢌꢍ ꢎ ꢏꢐ ꢑꢊꢍꢋ ꢊꢒ ꢓꢔ ꢎ ꢎ ꢕꢋꢑ ꢐꢒ ꢍꢌ ꢖꢔꢗ ꢘꢊꢓ ꢐꢑꢊ ꢍꢋ ꢙꢐ ꢑꢕꢚ ꢀꢎ ꢍꢙꢔ ꢓꢑꢒ

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ꢀꢎ ꢍ ꢙꢔꢓ ꢑ ꢊꢍ ꢋ ꢖꢎ ꢍ ꢓ ꢕ ꢒ ꢒ ꢊꢋ ꢟ ꢙꢍ ꢕ ꢒ ꢋꢍꢑ ꢋꢕ ꢓꢕ ꢒꢒ ꢐꢎ ꢊꢘ ꢞ ꢊꢋꢓ ꢘꢔꢙ ꢕ ꢑꢕ ꢒꢑꢊ ꢋꢟ ꢍꢌ ꢐꢘ ꢘ ꢖꢐ ꢎ ꢐꢏ ꢕꢑꢕ ꢎ ꢒꢚ

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与OPA2846_14相关器件

型号	品牌	获取价格	描述	数据表
OPA2846ID	TI	获取价格	Dual, Wideband, Low-Noise, Voltage-Feedback Operational Amplifier
OPA2846IDR	TI	获取价格	Dual, Wideband, Low-Noise, Voltage-Feedback Operational Amplifier
OPA2846IDRG4	TI	获取价格	Dual, Wideband, Low-Noise, Voltage-Feedback Operational Amplifier 8-SOIC -40 to 85
OPA2863	TI	获取价格	双路低功耗 110MHz 12V 轨至轨输入和输出 (RRIO) 电压反馈放大器
OPA2863A	TI	获取价格	双路、高精度、低功耗、105MHz、12V RRIO 电压反馈放大器
OPA2863AIDSNR	TI	获取价格	双路、高精度、低功耗、105MHz、12V RRIO 电压反馈放大器 \| DSN \| 10
OPA2863DR	TI	获取价格	双路低功耗 110MHz 12V 轨至轨输入和输出 (RRIO) 电压反馈放大器 \| D
OPA2863IDGKR	TI	获取价格	双路低功耗 110MHz 12V 轨至轨输入和输出 (RRIO) 电压反馈放大器 \| DG
OPA2863-Q1	TI	获取价格	汽车类双路低功耗 110MHz 12V RRIO 电压反馈放大器
OPA2863RUNR	TI	获取价格	双路低功耗 110MHz 12V 轨至轨输入和输出 (RRIO) 电压反馈放大器 \| RU

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