ADA4254ACPZ-R7 datasheet(6/59 Pages) AD

6 / 59 page

ADA4254

Data Sheet

Rev. B | Page 6 of 59

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

ANALOG OUTPUTS

Output Voltage Swing from

Each Rail

AVDD = 5 V, load resistor (RL) = 2.49 kΩ to 2.5 V

AVSS + 0.06

AVDD −

0.08

AVDD = 2.7 V, RL = 1.8 kΩ to 1.35 V

AVSS + 0.05

AVDD −

0.06

Capacitive Load Drive

500

Short-Circuit Current

To 2.5 V, G = 1.375, AVDD = 2.7 V to 5 V

3.5

OUTPUT_ERR

Positive Threshold

AVDD − 0.03

Negative Threshold

AVSS + 0.03

VOCM DYNAMIC PERFORMANCE

−3 dB Bandwidth

2.3

MHz

Slew Rate

1.9

V/μs

Voltage Noise

Frequency = 1 kHz

160

nV/√Hz

Gain

V/V

VOCM INPUT CHARACTERISTICS

Input Voltage Range

AVSS

AVDD − 1

Input Resistance

GΩ

Common Mode Offset Voltage

μV

Common Mode Offset

Voltage Drift

2.5

μV/°C

Input Bias Current

500

DYNAMIC RESPONSE

Small Signal ±3 dB Bandwidth

G = 1/16 V/V

kHz

G = 1/8 V/V

kHz

G = 1/4 V/V

kHz

G = 1/2 V/V

138

kHz

G = 1 V/V

1800

kHz

G = 2 V/V

513

kHz

G = 4 V/V

341

kHz

G = 8 V/V

319

kHz

G = 16 V/V

297

kHz

G = 32 V/V

275

kHz

G = 64 V/V

257

kHz

G = 128 V/V

209

kHz

Settling Time 0.01%

VOUT = 8 V p-p

G = 1 V/V

μs

G = 8 V/V

μs

G = 128 V/V

μs

Settling Time 0.0015% (16-Bit)

VOUT = 8 V p-p

G = 1 V/V

μs

G = 8 V/V

μs

G = 128 V/V

μs

Slew Rate

VOUT = 8 V p-p2

G = 1/16 V/V

0.06

V/μs

G = 1 V/V

0.8

V/μs

G = 128 V/V

3.1

V/μs

ADA4254ACPZ-R7 数据表(PDF) 6 Page - Analog Devices

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ADA4254ACPZ-R7 数据表(PDF) 6 Page - Analog Devices

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