LT1399CGN datasheet(4/16 Pages) LINER

Part #	LT1399CGN

Description	Low Cost Dual and Triple 300MHz Current Feedback Amplifiers with Shutdown

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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4

LT1398/LT1399/LT1399HV

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 = ±7.5V, EN = 0V, pulse tested, unless otherwise noted. (Note 4)

ELECTRICAL C

C

HARA TERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VOS

Input Offset Voltage

1.5

10

mV

q

12

mV

∆VOS/∆T Input Offset Voltage Drift

q

15

µV/°C

IIN

+

Noninverting Input Current

10

25

µA

q

30

µA

IIN–

Inverting Input Current

10

50

µA

q

60

µA

en

Input Noise Voltage Density

f = 1kHz, RF = 1k, RG = 10Ω, RS = 0Ω, VS = ±5V

4.5

nV/

√Hz

+in

Noninverting Input Noise Current Density

f = 1kHz, VS = ±5V

6

pA/

√Hz

–in

Inverting Input Noise Current Density

f = 1kHz, VS = ±5V

25

pA/

√Hz

RIN

Input Resistance

VIN = ±6V

q

0.3

1

M

Ω

CIN

Input Capacitance

Amplifier Enabled

2.0

pF

Amplifier Disabled

2.5

pF

COUT

Output Capacitance

Amplifier Disabled

8.5

pF

VINH

Input Voltage Range, High

VS = ±7.5V

q

6

6.5

V

VS = 7.5V, 0V

6.5

V

VINL

Input Voltage Range, Low

VS = ±7.5V

q

–6

–6.5

V

VS = 7.5V, 0V

1.0

V

VOUTH

Maximum Output Voltage Swing, High

VS = ±7.5V, RL = 100k

6.4

6.7

V

VS = ±7.5V, RL = 100k

q

6.1

V

VS = 7.5V, 0V; RL = 100k

6.7

V

VOUTL

Maximum Output Voltage Swing, Low

VS = ±7.5V, RL = 100k

– 6.4

– 6.7

V

VS = ±7.5V, RL = 100k

q

– 6.1

V

VS = 7.5V, 0V; RL = 100k

0.8

V

VOUTH

Maximum Output Voltage Swing, High

VS = ±7.5V, RL = 150Ω

5.4

5.8

V

VS = ±7.5V, RL = 150Ω

q

5.1

V

VS = 7.5V, 0V; RL = 150Ω

5.8

V

VOUTL

Maximum Output Voltage Swing, Low

VS = ±7.5V, RL = 150Ω

– 5.4

– 5.8

V

VS = ±7.5V, RL = 150Ω

q

– 5.1

V

VS = 7.5V, 0V; RL = 150Ω

0.6

V

CMRR

Common Mode Rejection Ratio

VCM = ±6V

q

42

52

dB

–ICMRR

Inverting Input Current

VCM = ±6V

10

16

µA/V

Common Mode Rejection

VCM = ±6V

q

22

µA/V

PSRR

Power Supply Rejection Ratio

VS = ±2V to ±7.5V, EN = V

–

q

56

70

dB

+IPSRR

Noninverting Input Current

VS = ±2V to ±7.5V, EN = V–

12

µA/V

Power Supply Rejection

q

3

µA/V

–IPSRR

Inverting Input Current

VS = ±2V to ±7.5V, EN = V–

q

27

µA/V

Power Supply Rejection

AV

Large-Signal Voltage Gain

VOUT = ±4.5V, RL = 150Ω

50

65

dB

ROL

Transimpedance,

∆VOUT/∆IIN–

VOUT = ±4.5V, RL = 150Ω

40

100

k

Ω

IOUT

Maximum Output Current

RL = 0Ω

q

80

mA

IS

Supply Current per Amplifier

VOUT = 0V

q

4.6

7

mA

Disable Supply Current per Amplifier

EN Pin Voltage = 7V, RL = 150Ω

q

0.1

100

µA

IEN

Enable Pin Current

30

110

µA

q

200

µA

(LT1399HV)

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