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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ADA4805-1AKSZ-EBZ 数据手册

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Data Sheet

ADA4805-1/ADA4805-2

Parameter

SHUTDOWN PIN

SHUTDOWN Voltage

Low

Test Conditions/Comments

Min

Typ

Max

Unit

Powered down

Enabled

<1.5

>1.9

High

SHUTDOWN Current

Low

High

Powered down

Enabled

50% of SHUTDOWN to <10% of enabled

quiescent current

−1.0

0.1

0.01

0.9

µA

µs

1.0

1.25

Turn-Off Time

Turn-On Time

50% of SHUTDOWN to >90% of final V_OUT

µs

OUTPUT CHARACTERISTICS

Overdrive Recovery Time (Rising/Falling

Edge)

V_IN= −1 V to +6 V, G = +2

130/145

Output Voltage Swing

Short-Circuit Current

Linear Output Current

Off Isolation

R_L= 2 kΩ

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

0.02

2.7

4.98

73/63

Capacitive Load Drive

POWER SUPPLY

Operating Range

520

µA

Quiescent Current per Amplifier

Enabled

SHUTDOWN = −V_S

500

2.9

Power Supply Rejection Ratio

Positive

Negative

+V_S= 1.5 V to 3.5 V, −V_S= −2.5 V

+V_S= 2.5 V, −V_S= −1.5 V to −3.5 V

100

120

126

¹f_Cis the fundamental frequency.

²Guaranteed, but not tested.

3 V SUPPLY

V_S= 3 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 4.

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= 1 V p-p, +V_S= 2 V, −V_S= −1 V

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

G = +1, V_OUT= 1 V step, +V_S= 2 V, −V_S= −1 V

G = +1, V_OUT= 1 V step

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= 1 V p-p, +V_S= 2 V, −V_S= −1 V

f_C= 100 kHz, V_OUT= 1 V p-p, +V_S= 2 V, −V_S= −1 V

f = 100 kHz

−123/−143

−107/−133

6.3

0.8

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

Rev. B | Page 5 of 25

1 2 3 456 7 8...25

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