LTC6255/LTC6256/LTC6257

4

Rev E

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5V ELECTRICAL CHARACTERISTICS The

l

denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VSUPPLY = 5V, VCM = VOUT = VSUPPLY/2, CL = 10pF, VSHDN is unconnected.

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

in

Input Current Noise Density

f = 1kHz, VCM = 0V to 4V (PNP Input)

f = 1kHz, VCM = 4V to 5V (NPN Input)

380

850

fA/√Hz

fA/√Hz

RIN

Input Resistance

Differential

Common Mode

1

10

MΩ

MΩ

CIN

Input Capacitance

Differential

Common Mode

0.4

0.3

pF

pF

CMRR

Common Mode Rejection Ratio

VCM = 0.3V to 3.5V

l

75

71

100

dB

dB

IVR

Input Voltage Range

l

–0.1

5.1

V

PSRR

Power Supply Rejection Ratio

VCM = 0.4V, VS Ranges from 1.8V to 5V

l

82

78

100

dB

dB

AV

Large Signal Gain

VOUT = 0.5V to 4.5V, RLOAD = 100k

l

50

28

200

V/mV

V/mV

VOUT = 0.5V to 4.5V, RLOAD = 10k

l

25

8

50

V/mV

V/mV

VOL

Output Swing Low (Input Overdrive 30mV).

Measured from V–

No Load

l

6

25

35

mV

mV

ISINK = 100µA

l

10

30

40

mV

mV

ISINK = 1mA

l

30

75

95

mV

mV

VOH

Output Swing High (Input Overdrive 30mV).

Measured from V+

No Load

l

24

55

60

mV

mV

ISOURCE = 100µA

l

30

80

90

mV

mV

ISOURCE = 1mA

l

75

150

170

mV

mV

ISC

Output Short-Circuit Current

l

17

8

35

mA

mA

IS

Supply Current per Amplifier

l

57

42

65

85

100

µA

µA

Supply Current in Shutdown

l

6

7

12

µA

µA

ISHDN

Shutdown Pin Current

VSHDN = 0.6V

VSHDN = 1.5V

l

l

–1400

–900

–1000

–500

nA

nA

VIL

SHDN Input Low Voltage

Disable

l

0.6

V

VIH

SHDN Input High Voltage

Enable

l

1.5

V

tON

Turn-On Time

SHDN Toggle from 0V to 5V

50

µs

tOFF

Turn-Off Time

SHDN Toggle from 5V to 0V

20

µs

BW

–3dB Closed Loop Bandwidth

AV = 1

4.5

MHz

GBW

Gain-Bandwidth Product

f = 200kHz

l

2.5

2

6.5

MHz

MHz

tS

Settling Time, 0.5V to 4.5V, Unity Gain

0.1%

0.01%

4

6

µs

µs

SR

Slew Rate

AV = –1, VOUT = 0.5V to 4.5V, CLOAD = 10pF,

RF = RG = 10kΩ

l

1.0

0.75

1.8

V/µs

V/µs

FPBW

Full Power Bandwidth (Note 8)

4VP-P

140

kHz

THD+N

Total Harmonic Distortion and Noise

f = 500Hz, AV = 2, RL = 4kΩ, VOUTP-P = 1V

VIN = 2.25V to 2.75V

0.0022

93

%

dB

ILEAK

Output Leakage Current in Shutdown

VSHDN = 0V, VOUT = 0V

VSHDN = 0V, VOUT = 5V

l

l

–400

–400

400

400

nA

nA