ADA4857-1YCPZ-R7 datasheet(3/20 Pages) AD

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ADA4857-1/ADA4857-2

Rev. 0 | Page 3 of 20

SPECIFICATIONS

±5 V SUPPLY

TA = 25°C, G = +2, RG = RF = 499 Ω, RL = 1 kΩ to ground, PD = no connect, unless otherwise noted.

Table 1.

Parameter

Conditions

Min

Typ

Max

Unit

DYNAMIC PERFORMANCE

–3 dB Bandwidth (LFCSP/SOIC)

G = +1, VOUT = 0.2 V p-p

650

850/750

MHz

G = +1, VOUT = 2 V p-p

600/550

MHz

G = +2, VOUT = 0.2 V p-p

400/350

MHz

Full Power Bandwidth

G = +1, VOUT = 2 V p-p, THD < −40 dBc

110

MHz

Bandwidth for 0.1 dB Flatness (LFCSP/SOIC)

G = +2, VOUT = 2 V p-p, RL = 150 Ω

75/90

MHz

Slew Rate (10% to 90%)

G = +1, VOUT = 4 V step

2800

V/μs

Settling Time to 0.1%

G = +2, VOUT = 2 V step

NOISE/Harmonic PERFORMANCE

Harmonic Distortion

f = 1 MHz, G= +1, VOUT = 2 V p-p (HD2)

−108

dBc

f = 1 MHz, G= +1, VOUT = 2 V p-p (HD3)

−108

dBc

f = 10 MHz, G= +1, VOUT = 2 V p-p (HD2)

−88

dBc

f = 10 MHz, G= +1, VOUT = 2 V p-p (HD3)

−93

dBc

f = 50 MHz, G= +1, VOUT = 2 V p-p (HD2)

−65

dBc

f = 50 MHz, G= +1, VOUT = 2 V p-p (HD3)

−62

dBc

Input Voltage Noise

f = 100 kHz

4.4

nV/√Hz

Input Current Noise

f = 100 kHz

1.5

pA/√Hz

DC PERFORMANCE

Input Offset Voltage

±2

±4.5

Input Offset Voltage Drift

2.3

μV/°C

Input Bias Current

−2

−3.3

μA

Input Bias Current Drift

24.5

nA/°C

Input Bias Offset Current

Open-Loop Gain

VOUT = −2.5 V to +2.5 V

PD (Power-Down) Pin

PD Input Voltage

Chip powered down

≥(VCC − 2)

Chip enabled

≤(VCC − 4.2)

Turn-Off Time

50% off PD to <10% of final VOUT, VIN = 1 V, G = +2

μs

Turn-On Time

50% off PD to <10% of final VOUT, VIN = 1 V, G = +2

PD Pin Leakage Current

Chip enabled

μA

Chip powered down

μA

INPUT CHARACTERISTICS

Input Resistance

Common mode

MΩ

Differential mode

MΩ

Input Capacitance

Common mode

Input Common-Mode Voltage Range

±4

Common-Mode Rejection Ratio

VCM = ±1 V

−78

−86

OUTPUT CHARACTERISTICS

Output Overdrive Recovery Time

VIN = ±2.5 V, G = +2

Output Voltage Swing

RL = 1 kΩ

±4

RL = 100 Ω

±3.7

Output Current

Short-Circuit Current

Sinking and sourcing

125

Capacitive Load Drive

30% overshoot, G = +2

ADA4857-1YCPZ-R7 数据表(PDF) 3 Page - Analog Devices

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