ADA4940-2ACPZ-RL datasheet(5/32 Pages) AD

部件名	ADA4940-2ACPZ-RL

功能描述	Ultralow Power, Low Distortion

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5 / 32 page

Data Sheet

ADA4940-1/ADA4940-2

Rev. B | Page 5 of 32

VS = 3 V

VOCM = Mid Supply, RF = RG = 1 kΩ, RL,dm = 1 kΩ, TA = 25°C, LFCSP package, unless otherwise noted. TMIN to TMAX = −40°C to +125°C.

(See Figure 61 for the definition of terms.)

+DIN or

–DIN to VOUT,dm Performance

Table 6.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

DYNAMIC PERFORMANCE

−3 dB Small Signal Bandwidth

VOUT, dm = 0.1 V p-p

240

MHz

VOUT, dm = 0.1 V p-p, G = 2

200

MHz

VOUT, dm = 0.1 V p-p, G = 5

70

MHz

−3 dB Large Signal Bandwidth

VOUT, dm = 2 V p-p

24

MHz

VOUT, dm = 2 V p-p, G = 2

20

MHz

VOUT, dm = 2 V p-p, G = 5

17

MHz

Bandwidth for 0.1 dB Flatness

VOUT, dm = 0.1 V p-p

14

MHz

Slew Rate

VOUT, dm = 2 V step

90

V/µs

Settling Time to 0.1%

VOUT, dm = 2 V step

37

ns

Overdrive Recovery Time

G = 2, VIN, dm = 3.6 V p-p, triangle wave

85

ns

NOISE/HARMONIC PERFORMANCE

HD2/HD3

VOUT, dm = 2 V p-p, fC = 50 kHz (HD2/HD3)

−115/−121

dBc

VOUT, dm = 2 V p-p, fC = 1 MHz (HD2/HD3)

−104/−96

dBc

IMD3

VOUT,dm = 2 V p-p, f1 = 1.9 MHz, f2 = 2.1 MHz

−98

dBc

Input Voltage Noise

f = 100 kHz

3.9

nV/√Hz

Input Current Noise

f = 100 kHz

0.84

pA/√Hz

Crosstalk

VOUT, dm = 2 V p-p, fC = 1 MHz

−110

dB

INPUT CHARACTERISTICS

Input Offset Voltage

VIP = VIN = VOCM = 1.5 V

−0.4

±0.06

+0.4

mV

Input Offset Voltage Drift

TMIN to TMAX

1.2

µV/°C

Input Bias Current

−1.6

−1.1

µA

Input Bias Current Drift

TMIN to TMAX

−4.5

nA/°C

Input Offset Current

−500

±50

+500

nA

Input Common-Mode Voltage Range

−VS − 0.2 to

+VS − 1.2

V

Input Resistance

Differential

33

kΩ

Common mode

50

MΩ

Input Capacitance

1

pF

Common-Mode Rejection Ratio (CMRR)

ΔVOS, dm/ΔVIN, cm, ∆VIN, cm = ±0.25 V dc

86

114

dB

Open-Loop Gain

91

99

dB

OUTPUT CHARACTERISTICS

Output Voltage Swing

Each single-ended output

−VS + 0.08 to

+VS − 0.08

−VS + 0.04 to

+VS − 0.04

V

Linear Output Current

f = 1 MHz, RL, dm = 26 Ω, SFDR = −60 dBc

38

mA peak

Output Balance Error

f = 1 MHz, ΔVOUT, cm/ΔVOUT, dm

−65

−60

dB

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