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LT1395/LT1396/LT1397

139567fc

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

ELECTRICAL C

HARA TERISTICS

The

● denotes specifications which apply over the specified operating temperature range, otherwise specifications are at TA = 25°C.

For each amplifier: VCM = 0V, VS = ±5V, pulse tested, unless otherwise noted. (Note 5)

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: This parameter is guaranteed to meet specified performance

through design and characterization. It has not been tested.

Note 3: A heat sink may be required depending on the power supply

voltage and how many amplifiers have their outputs short circuited.

The

θJA specified for the DD package is with minimal PCB heat spreading

metal. Using expanded metal area on all layers of a board reduces

this value.

Note 4: The LT1395C/LT1396C/LT1397C are guaranteed functional over

the operating temperature range of – 40

°C to 85°C. The LT1397H is

guaranteed functional over the operating temperature range of –40

°C

to 125

°C.

Note 5: The LT1395C/LT1396C/LT1397C are guaranteed to meet specified

performance from 0

°C to 70°C. The LT1395C/LT1396C/LT1397C are

designed, characterized and expected to meet specified performance from

–40

°C and 85°C but are not tested or QA sampled at these temperatures.

The LT1397H is guaranteed to meet specified performance from –40

°C to

125

°C. For guaranteed I-grade parts, consult the factory.

Note 6: TJ is calculated from the ambient temperature TA and the

power dissipation PD according to the following formula:

LT1395CS5: TJ = TA + (PD • 250°C/W)

LT1396CS6: TJ = TA + (PD • 230°C/W)

LT1395CS8: TJ = TA + (PD • 150°C/W)

LT1396CS8: TJ = TA + (PD • 150°C/W)

LT1396CMS8: TJ = TA + (PD • 250°C/W)

LT1396CDD: TJ = TA + (PD • 160°C/W)

LT1397CS14: TJ = TA + (PD • 100°C/W)

LT1397CGN16: TJ = TA + (PD • 135°C/W)

LT1397CDE: TJ = TA + (PD • 43°C/W)

LT1397HDE: TJ = TA + (PD • 43°C/W)

Note 7: Slew rate is measured at

±2V on a ±3V output signal.

Note 8: Differential gain and phase are measured using a Tektronix

TSG120YC/NTSC signal generator and a Tektronix 1780R Video

Measurement Set. The resolution of this equipment is 0.1% and 0.1

°.

Ten identical amplifier stages were cascaded giving an effective

resolution of 0.01% and 0.01

°.

Note 9: For LT1395CS6, turn-on delay time (tON) is measured from

control input to appearance of 1V(50%) at the output, for VIN = 1V and

AV = 2. Likewise, turn-off delay time (tOFF) is measured from control

input to appearance of 1V(50%) on the output for VIN = 1V and

AV = 2. This specification is guaranteed by design and characterization.

tON

Turn-On Delay Time (Note 9)

RF = RG = 255Ω, RL = 100Ω, (LT1395CS6 only)

tOFF

Turn-Off Delay Time (Note 9)

RF = RG = 255Ω, RL = 100Ω, (LT1395CS6 only)

100

– 3dB BW

–3dB Bandwidth

AV = 1, RF = 374Ω, RL = 100Ω

400

MHz

AV = 2, RF = RG = 255Ω, RL = 100Ω

350

MHz

0.1dB BW 0.1dB Bandwidth

AV = 1, RF = 374Ω, RL = 100Ω

100

MHz

AV = 2, RF = RG = 255Ω, RL = 100Ω

100

MHz

tr, tf

Small-Signal Rise and Fall Time

RF = RG = 255Ω, RL = 100Ω, VOUT = 1VP-P

1.3

tPD

Propagation Delay

RF = RG = 255Ω, RL = 100Ω, VOUT = 1VP-P

2.5

Small-Signal Overshoot

RF = RG = 255Ω, RL = 100Ω, VOUT = 1VP-P

Settling Time

0.1%, AV = – 1, RF = RG = 280Ω, RL = 150Ω

Differential Gain (Note 8)

RF = RG = 255Ω, RL = 150Ω

0.02

Differential Phase (Note 8)

RF = RG = 255Ω, RL = 150Ω

0.04

DEG

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