Datasheet > ADA4805-1

ADA4805-1

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 数据手册

Data Sheet

ADA4805-1/ADA4805-2

SPECIFICATIONS

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 ground; unless otherwise noted. All specifications are per

amplifier.

Table 2.

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

120

190

250

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

−114/−140

−102/−128

−109/−143

−93/−130

−113/−142

−96/−130

5.2

0.7

dBc

nV/√Hz

nV rms

pA/√Hz

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

f_C= 20 kHz, V_OUT= 4 V p-p, G = +1

f_C= 100 kHz, V_OUT= 4 V p-p, G = +1

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

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

f = 100 kHz

Input Voltage Noise

Input Voltage Noise 1/f Corner Frequency

0.1 Hz to 10 Hz Voltage Noise

Input Current Noise

DC PERFORMANCE

Input Offset Voltage

Input Offset Voltage Drift²

Input Bias Current

Input Offset Current

Open-Loop Gain

f = 100 kHz

125

1.5

800

µV

µV/°C

T_MINto T_MAX, 4 σ

V_OUT= −4.0 V to +4.0 V

0.2

550

2.1

111

107

INPUT CHARACTERISTICS

Input Resistance

Common Mode

Differential Mode

Input Capacitance

Input Common-Mode Voltage Range

Common-Mode Rejection Ratio

SHUTDOWN PIN

260

MΩ

kΩ

−5.1

103

V_{IN, CM}= −4.0 V to +4.0 V

130

SHUTDOWN Voltage

Low

High

Powered down

Enabled

<−1.3

>−0.9

SHUTDOWN Current

Low

High

Powered down

Enabled

50% of SHUTDOWN to <10% of enabled

quiescent current

−1.0

0.2

0.02

1.25

µA

µs

1.0

2.75

Turn-Off Time

Turn-On Time

50% of SHUTDOWN to >90% of final V_OUT

µs

OUTPUT CHARACTERISTICS

Output Overdrive Recovery Time

(Rising/Falling Edge)

Output Voltage Swing

V_IN= +6 V to −6 V, G = +2

95/100

R_L= 2 kΩ

−4.98

+4.98

Rev. B | Page 3 of 25

1 234 5 6 7...25

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