LTC6409 datasheet(4/24 Pages) AD

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LTC6409

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ELECTRICAL CHARACTERISTICS

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Slew Rate

Differential Output, VOUTDIFF = 4VP-P

+OUT Rising (–OUT Falling)

+OUT Falling (–OUT Rising)

3300

1720

1580

V/µs

GBW

Gain-Bandwidth Product

RI = 25Ω, RF = 10kΩ, fTEST = 100MHz

9.5

GHz

f–3dB

–3dB Frequency

RI = RF = 150Ω, RLOAD = 400Ω, CF = 1.3pF

GHz

f0.1dB

Frequency for 0.1dB Flatness

RI = RF = 150Ω, RLOAD = 400Ω , CF = 1.3pF

600

MHz

FPBW

Full Power Bandwidth

VOUTDIFF = 2VP-P

550

MHz

HD2

HD3

25MHz Distortion

Differential Input, VOUTDIFF = 2VP-P,

RI = RF = 150Ω, RLOAD = 400Ω

2nd Harmonic

3rd Harmonic

–104

–106

dBc

100MHz Distortion

Differential Input, VOUTDIFF = 2VP-P,

RI = RF = 150Ω, RLOAD = 400Ω

2nd Harmonic

3rd Harmonic

–93

–88

dBc

HD2

HD3

25MHz Distortion

Single-Ended Input, VOUTDIFF = 2VP-P,

RI = RF = 150Ω, RLOAD = 400Ω

2nd Harmonic

3rd Harmonic

–101

–103

dBc

100MHz Distortion

Single-Ended Input, VOUTDIFF = 2VP-P,

RI = RF = 150Ω, RLOAD = 400Ω

2nd Harmonic

3rd Harmonic

–88

–93

dBc

IMD3

3rd Order IMD at 25MHz

f1 = 24.9MHz, f2 = 25.1MHz

VOUTDIFF = 2VP-P Envelope, RI = RF = 150Ω,

RLOAD = 400Ω

–110

dBc

3rd Order IMD at 100MHz

f1 = 99.9MHz, f2 = 100.1MHz

VOUTDIFF = 2VP-P Envelope, RI = RF = 150Ω,

RLOAD = 400Ω

–98

dBc

3rd Order IMD at 140MHz

f1 = 139.9MHz, f2 = 140.1MHz

VOUTDIFF = 2VP-P Envelope, RI = RF = 150Ω,

RLOAD = 400Ω

–88

dBc

OIP3

Equivalent OIP3 at 25MHz (Note 12)

Equivalent OIP3 at 100MHz (Note 12)

Equivalent OIP3 at 140MHz (Note 12)

dBm

Settling Time

VOUTDIFF = 2VP-P Step, RI = RF = 150Ω,

RLOAD = 400Ω

1% Settling

1.9

The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. V+ = 5V, V– = 0V, VCM = VOCM = VICM = 1.25V, VSHDN = open. VS is

defined as (V+ – V–). VOUTCM is defined as (V+OUT + V–OUT)/2. VICM is defined as (V+IN + V–IN)/2. VOUTDIFF is defined as (V+OUT – V–OUT).

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

Note 2: Input pins (+IN, –IN, VOCM, and SHDN) are protected by steering

diodes to either supply. If the inputs should exceed either supply voltage,

the input current should be limited to less than 10mA. In addition, the

inputs +IN, –IN are protected by a pair of back-to-back diodes. If the

differential input voltage exceeds 1.4V, the input current should be limited

to less than 10mA.

Note 3: A heat sink may be required to keep the junction temperature

below the absolute maximum rating when the output is shorted

indefinitely.

Note 4: The LTC6409C/LTC6409I are guaranteed functional over the

temperature range of –40°C to 85°C. The LTC6409H is guaranteed

functional over the temperature range of –40°C to 125°C.

Note 5: The LTC6409C is guaranteed to meet specified performance from

0°C to 70°C. The LTC6409C is designed, characterized and expected to

meet specified performance from –40°C to 85°C, but is not tested or

QA sampled at these temperatures. The LTC6409I is guaranteed to meet

specified performance from –40°C to 85°C. The LTC6409H is guaranteed

to meet specified performance from –40°C to 125°C.

Note 6: Input bias current is defined as the average of the input currents

flowing into the inputs (–IN and +IN). Input offset current is defined as the

difference between the input currents (IOS = IB+ – IB–).

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