Datasheet > ADA4805-1AKSZ-EBZ

ADA4805-1AKSZ-EBZ

更新时间： 2022-02-26 10:51:37

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
25页	772K
描述
0.2 Î¼V/Â°C Offset Drift, 105 MHz Low Power, Low Noise, Rail-to-Rail Amplifiers

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ADA4805-1/ADA4805-2

Data Sheet

Parameter

Test Conditions/Comments

Sinking/sourcing

<1% THD at 100 kHz, V_OUT= 2 V p-p

V_IN= 0.5 V p-p, f = 1 MHz, SHUTDOWN = −V_S

30% overshoot

Min

Typ

85/73

Max

Unit

Short-Circuit Current

Linear Output Current

Off Isolation

Capacitive Load Drive

POWER SUPPLY

Operating Range

2.7

Quiescent Current per Amplifier

Enabled

SHUTDOWN = −V_S

570

7.4

625

µA

Power Supply Rejection Ratio

Positive

Negative

+V_S= 3 V to 5 V, −V_S= −5 V

+V_S= 5 V, −V_S= −3 V to −5 V

100

119

122

¹f_Cis the fundamental frequency.

²Guaranteed, but not tested.

5 V SUPPLY

V_S= 5 V at T_A= 25°C; R_F= 0 Ω for G = +1; otherwise, R_F= 1 kΩ; R_L= 2 kΩ to midsupply; unless otherwise noted. All specifications are

per amplifier.

Table 3.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

DYNAMIC PERFORMANCE

−3 dB Bandwidth

G = +1, V_OUT= 0.02 V p-p

G = +1, V_OUT= 2 V p-p

G = +1, V_OUT= 0.02 V p-p

G = +1, V_OUT= 2 V step

G = +2, V_OUT= 4 V step

G = +1, V_OUT= 2 V step

G = +2, V_OUT= 4 V step

105

160

220

MHz

V/µs

Bandwidth for 0.1 dB Flatness

Slew Rate

Settling Time to 0.1%

NOISE/DISTORTION PERFORMANCE

Harmonic Distortion, HD2/HD3¹

f_C= 20 kHz, V_OUT= 2 V p-p

f_C= 100 kHz, V_OUT= 2 V p-p

f_C= 20 kHz, G = +2, V_OUT= 4 V p-p

f_C= 100 kHz, G = +2, V_OUT= 4 V p-p

f = 100 kHz

−114/−135

−102/−126

−107/−143

−90/−130

5.9

0.6

dBc

nV/√Hz

nV rms

pA/√Hz

Input Voltage Noise

Input Voltage Noise 1/f Corner

0.1 Hz to 10 Hz Voltage Noise

Input Current Noise

f = 100 kHz

DC PERFORMANCE

Input Offset Voltage

125

1.5

720

µV

µV/°C

Input Offset Voltage Drift²

T_MINto T_MAX, 4 σ

V_OUT= 1.25 V to 3.75 V

0.2

470

0.4

109

Input Bias Current

Input Offset Current

Open-Loop Gain

105

INPUT CHARACTERISTICS

Input Resistance

Common Mode

Differential Mode

Input Capacitance

Input Common-Mode Voltage Range

Common-Mode Rejection Ratio

260

MΩ

kΩ

−0.1

103

V_{IN, CM}= 1.25 V to 3.75 V

133

Rev. B | Page 4 of 25

1 2 345 6 7...25

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