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OPA2846IDR Datasheet

  • OPA2846IDR

  • Dual, Wideband, Low-Noise, Voltage-Feedback Operational Ampl...

  • 24頁

  • TI

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OPA2846
SBOS274A 鈭扟UNE 2003 鈭?REVISED MARCH 2004
Dual, Wideband, Low-Noise, Voltage-Feedback
Operational Amplifier
FEATURES
D
D
D
D
D
D
D
D
HIGH BANDWIDTH: 300MHz (G = +10)
LOW INPUT VOLTAGE NOISE: 1.2nV/鈭欻z
VERY LOW DISTORTION: 鈥?00dBc (5MHz)
HIGH SLEW RATE: 600V/碌s
HIGH DC ACCURACY: V
IO
= 150碌V
LOW SUPPLY CURRENT: 12.6mA/ch
HIGH GAIN BANDWIDTH PRODUCT: 1650MHz
STABLE FOR GAINS
鈮?/div>
+7V/V
DESCRIPTION
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/鈭欻z 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.
The combination of low noise, high slew rate (600V/碌s)
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.
OPA2846 RELATED PRODUCTS
SINGLES
OPA842
OPA843
OPA846
OPA847
INPUT NOISE
VOLTAGE (nV/鈭欻z)
2.6
2.0
1.2
0.85
GAIN BANDWIDTH
PRODUCT (MHz)
200
800
1750
3900
APPLICATIONS
D
HIGH DYNAMIC RANGE ADC PREAMPS
D
LOW-NOISE, WIDEBAND, TRANSIMPEDANCE
AMPLIFIERS
D
D
D
D
D
WIDEBAND, HIGH GAIN AMPLIFIERS
LOW-NOISE DIFFERENTIAL RECEIVERS
VDSL LINE RECEIVERS
ULTRASOUND CHANNEL AMPLIFIERS
SECURITY SENSOR FRONT ENDS
Power鈭抯upply decoup ling
not sho wn.
1000pF
+5V
C
1
100鈩?/div>
1/2
O P A 28 46
鈭?0
R
1
L
V+
V
O
= 2V
PP
Differential
Harmonic Distortion (dBc)
鈭?/div>
85
鈭?/div>
90
鈭?5
鈭?00
鈭?05
3rd鈭扝armonic
鈭?10
1
10
Frequency (MHz)
2nd鈭扝armonic
18p F
2.1pF
R
2
1:2
V
I
50
鈩?/div>
100鈩?/div>
500鈩?/div>
14鈭払it
10MSPS
ADS850
C
100鈩?/div>
500鈩?/div>
0.1碌F
V
CM
2.1pF
Single鈭抰o鈭扗ifferential
Gain of 10
18pF
C
1
1 /2
O P A2 84 6
R
1
L
R
2
V鈭?/div>
1000pF
100鈩?/div>
鈭?V
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.
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.
Copyright
錚?/div>
2003-2004, Texas Instruments Incorporated
www.ti.com

OPA2846IDR 產(chǎn)品屬性

  • 2,500

  • 集成電路 (IC)

  • Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

  • -

  • 電壓反饋

  • 2

  • -

  • 600 V/µs

  • 1.65GHz

  • -

  • 10µA

  • 150µV

  • 25.2mA

  • 80mA

  • 5 V ~ 12 V，±2.5 V ~ 6 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SOIC

  • 帶卷 (TR)

  • 296-22743-ND - BOARD DEMO FOR 8SOIC DUAL OPAMPS

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