LMH6321 datasheet(4/21 Pages) NSC

Part #	LMH6321

Description	300 mA High Speed Buffer with Adjustable Current Limit

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Manufacturer	NSC [National Semiconductor (TI)]

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±5V Electrical Characteristics

The following specifications apply for Supply Voltage = ±5V, V

CM =0,RL

≥ 100 kΩ and R

S =50

Ω,C

L Open, unless otherwise

noted. Boldface limits apply for T

A =TJ =TMIN to TMAX; all other limits TA =TJ = 25˚C.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

A

V

Voltage Gain

R

L =1k

Ω,V

IN = ±3V

0.99

0.98

0.994

V/V

R

L =50

Ω,V

IN = ±3V

0.86

0.84

0.92

V

OS

Offset Voltage

R

L =1k

Ω,R

S =0V

±2.5

±35

±50

mV

I

B

Input Bias Current

V

IN = 0V, RL =1k

Ω,R

S =0V

±2

±15

±17

µA

R

IN

Input Resistance

R

L =50

Ω

250

k

Ω

C

IN

Input Capacitance

3.5

pF

R

O

Output Resistance

I

OUT = ±10 mA

5

Ω

I

S

Power Supply Current

R

L = ∞,VIN = 0V

10

13.5

14.7

750 µA into CL Pin

14

17.5

19.5

V

O1

Positive Output Swing

I

O = 300 mA, RS = 0V, VIN = ±VS

1.3

0.9

1.9

V

Negative Output Swing

I

O = 300 mA, RS = 0V, VIN = ±VS

−1.3

−0.5

−0.1

V

O2

Positive Output Swing

R

L =1k

Ω,R

S = 0V, VIN = ±VS

3.2

2.9

3.5

V

Negative Output Swing

R

L =1k

Ω,R

S = 0V, VIN = ±VS

−3.5

−3.1

−2.9

V

O3

Positive Output Swing

R

L =50

Ω,R

S = 0V, VIN = ±VS

2.8

2.5

3.1

V

Negative Output Swing

R

L =50

Ω,R

S = 0V, VIN = ±VS

−3.0

−2.6

−2.4

V

PSSR

Power Supply Rejection Ratio

R

L =1k

Ω,V

IN =0,

V

S = ±5V to ±15V

Positive

58

54

66

dB

Negative

58

54

64

I

SC1

Output Short Circuit Current

V

O = 0V, Program

Current into C

L =25µA

Sourcing

V

IN = +3V

4.5

9

14.0

15.5

mA

Sinking

V

IN = −3V

4.5

9

14.0

15.5

V

O = 0V, Program

Current into C

L = 750

µA

Sourcing

V

IN = +3V

275

270

290

305

320

Sinking

V

IN = −3V

275

270

290

310

320

I

SC2

Output Short Circuit Current

Source

R

S = 0V, VIN = +3V

(Notes 5, 7)

300

470

mA

Output Short Circuit Current

Sink

R

S = 0V, VIN = −3V

(Notes 5, 7)

300

400

SR

Slew Rate

V

IN = ±2VPP,RL =1k

Ω

450

V/µs

V

IN = ±2VPP,RL =50

Ω

210

BW

−3 dB Bandwidth

V

IN = ±20 mVPP,RL =50

Ω

90

MHz

LSBW

Large Signal Bandwidth

V

IN =2VPP,RL =50

Ω

39

MHz

T

SD

Thermal Shutdown

Temperature

170

˚C

Hysteresis

10

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