Datasheet > AD8338

AD8338

更新时间： 2022-05-20 03:39:17

品牌	Logo	应用领域
亚德诺 - ADI		放大器
页数	文件大小	规格书
16页	406K
描述
Low Power, 18 MHz Variable Gain Amplifier

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AD8338 数据手册

Data Sheet

AD8338

SPECIFICATIONS

AC SPECIFICATIONS

VBAT = 3.0 V, T_A= 25°C, C_L= 2 pF on OUTP and OUTM, R_L= ∞, MODE pin high, R_IN= 2 × 500 Ω, V_GAIN= 0.6 V, differential operation,

unless otherwise noted.

Table 1.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

INPUT INTERFACE

Gain Range

Standard configuration using the INPR

and INMR inputs

Gain Span

Input Voltage Range

Input 1 dB Compression

V p-p

Differential input, V_CM= 1.5 V,

gain = 0.1 V/0 dB

f = 400 kHz

f = 1 MHz

f = 4 MHz

f = 10 MHz

2.2

1.6

0.75

V p-p

MHz

−3 dB Bandwidth

Gain Accuracy

Standard configuration using the INPR

and INMR inputs; 0.1 V < V_GAIN< 1.1 V

−2

+0.5

Input Resistance

Standard configuration using the INPR

and INMR inputs

0.8

1.2

kΩ

Input Capacitance

OUTPUT INTERFACE

Small Signal Bandwidth

Peak Slew Rate

OUTP and OUTM pins

V_GAIN= 0.6 V

2.8

1.5

4.5

MHz

V/μs

V p-p

Peak-to-Peak Output Swing

Common-Mode Voltage

Input-Referred Noise Voltage

Differential output

Standard configuration using the INPR

and INMR inputs

nV/√Hz

Driving external 47 Ω input resistors

connected to INPD and INMD

1.5

nV/√Hz

Offset Voltage

RTO, V_GAIN= 0.1 V, offset null on

RTO, V_GAIN= 0.6 V, offset null on

RTO, V_GAIN= 0.1 V, offset null off

RTO, V_GAIN= 0.6 V, offset null off

−10

−50

−200

+10

+50

+200

POWER SUPPLY

VBAT

I_VBAT

3.0

5.0

8.0

3.8

6.0

Min gain, V_GAIN= 0.1 V

Mid gain, V_GAIN= 0.6 V

Max gain, V_GAIN= 1.1 V

6.0

3.0

4.5

GAIN CONTROL

Gain Voltage

Gain Slope

0.1

1.1

12.5

dB/V

mV/dB

VREF ACCURACY

VREF = 1.5 V

MODE = 0 V

DETO OUTPUT CURRENT

AGC CONTROL

μA

Maximum Target Amplitude

Expected rms output value for target =

VAGC − VREF = 1.0 V

1.0

V rms

Rev. 0 | Page 3 of 16

1 234 5 6 7...16

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