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LT1395/LT1396/LT1397

Closed-Loop Gain vs Frequency

(AV = 1)

–2

–4

–6

10M

100M

FREQUENCY (Hz)

VS = ±5V

VIN = –10dBm

RF = 374Ω

RL = 100Ω

1397 G01

Closed-Loop Gain vs Frequency

(AV = – 1)

VS = ±5V

VIN = –10dBm

RF = RG = 280Ω

RL = 100Ω

10M

100M

FREQUENCY (Hz)

Closed-Loop Gain vs Frequency

(AV = 2)

VS = ±5V

VIN = –10dBm

RF = RG = 255Ω

RL = 100Ω

10M

100M

FREQUENCY (Hz)

1397 G02

1397 G03

–2

–4

–6

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

ELECTRICAL C

HARA TERISTICS

The q 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: Absolute Maximum Ratings are those values beyond which the life

of a device may be impaired.

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.

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

the operating temperature range of – 40

°C to 85°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 is not tested or QA sampled at these temperatures.

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:

LT1395CS8: TJ = TA + (PD • 150°C/W)

LT1396CS8: TJ = TA + (PD • 150°C/W)

LT1396CMS8: TJ = TA + (PD • 250°C/W)

LT1397CS14: TJ = TA + (PD • 100°C/W)

LT1397CGN16: TJ = TA + (PD • 135°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

°.

SMALL SIGNAL

VS (V)

RL (Ω)RF (Ω)RG (Ω)

– 3dB BW (MHz)

0.1dB BW (MHz)

PEAKING (dB)

±5

100

374

–

400

100

0.1

±5

100

255

350

100

0.1

±5

– 1

100

280

350

100

0.1

TYPICAL AC PERFOR A CE

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

HARA TERISTICS

TYPICALPERFOR

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