Datasheet > ADA4938-1_06

ADA4938-1_06

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
亚德诺 - ADI		驱动器
页数	文件大小	规格书
9页	288K
描述
Ultra-Low Distortion Differential ADC Driver

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ADA4938-1_06 数据手册

Preliminary Technical Data

ADA4938-1

SINGLE SUPPLY OPERATION

At 25 °C, +V_S= 5 V, -V_S= 0 V, V_OCM= 2.5 V, R_G= R_F= 200 Ω, G = +1, R_L, dm = 1 kꢀ, unless otherwise noted. All specifications refer to

single-ended input and differential output, unless otherwise noted.

Table 2.

Parameter

Conditions

Min

Typ

Max Unit

±±_INTO ±OꢀT PERFORMANCE

±YNAMIC PERFORMANCE

−3 dB Small Signal Bandwidth

Bandwidth for 0.1 dB Flatness

Large Signal Bandwidth

Slew Rate

V_OꢀT= 0.5 V p-p, ±ifferential Input

V_OꢀT= 2 V p-p, ±ifferential Input

V_OꢀT= 2 V p-p

1500

125

1100

3900

8.1

MHz

V/μs

Settling Time

0.01%, V_OꢀT= 2 V p-p

Overdrive Recovery Time

NOISE/HARMONIC PERFORMANCE

Second Harmonic

V_IN= 2.5 V to 0 V step, G = +2

V_OꢀT= 2 V p-p, 10 MHz

V_OꢀT= 2 V p-p, 70 MHz

V_OꢀT= 2 V p-p, 10 MHz

V_OꢀT= 2 V p-p, 70 MHz

70 MHz

−115

−87

−110

−79

dBc

dBm

Third Harmonic

IM±

IP3

70 MHz

Voltage Noise (RTI)

Noise Figure

Input Current Noise

INPꢀT CHARACTERISTICS

Offset Voltage

2.2

nV/√Hz

pA/√Hz

G = +2

V_{OS, dm}= V_{OꢀT, dm}/2; V_±IN+= V_±IN−= V_OCM= 2.5 V

T_MINto T_MAXvariation

±4

3.5

−0.01

μV/°C

μA

μA/°C

MΩ

Input Bias Current

Input Resistance

T_MINto T_MAXvariation

±ifferential

Common mode

Input Capacitance

Input Common-Mode Voltage

CMRR

0.3 to 3.4

−77

∆V_{OꢀT, dm}/∆V_{IN, cm}; ∆V_{IN, cm}= ±1 V

OꢀTPꢀT CHARACTERISTICS

Output Voltage Swing

Output Current

Output Balance Error

V_OCMTO ±OꢀT PERFORMANCE

V_OCM±YNAMIC PERFORMANCE

−3 dB Bandwidth

Maximum ∆V_OꢀT; single-ended output

∆V_{OꢀT, cm}/∆V_{OꢀT, dm}; ∆V_{OꢀT, dm}= 1 V

1.1

3.9

−66

400

MHz

Slew Rate

V = 0.5 V

1700

V/μs

INPꢀT VOLTAGE NOISE (RTI)

V_OCMINPꢀT CHARACTERISTICS

Input Voltage Range

Input Resistance

Input Offset Voltage

Input Bias Current

V_OCMCMRR

nV/√Hz

1.2

4.5

3.8

200

0.5

−75

kΩ

μA

V/V

V_{OS, cm}= V_{OꢀT, cm}; V_±IN+= V_±IN–= V_OCM= 2.5 V

∆V_{OꢀT, dm}/∆V_OCM; ∆V_OCM= ±1 V

∆V_{OꢀT, cm}/∆V_OCM; ∆V_OCM= ±1 V

Gain

POWER SꢀPPLY

Operating Range

Quiescent Current

μA/°C

T_MINto T_MAXvariation

Rev. PrA | Page 5 of 9

1 2 3 456 7 8 9

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