THS4140, THS4141

HIGHSPEED FULLY DIFFERENTIAL I/O AMPLIFIERS

SLOS320E − MAY 2000 − REVISED JANUARY 2004

3

POST OFFICE BOX 655303

dynamic performance

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

BW

Small signal bandwidth (−3 dB)

VCC = ±5

Gain = 1, Rf = 390 Ω

150

MHz

BW

Small signal bandwidth (−3 dB)

VCC = ±15

Gain = 1, Rf = 390 Ω

160

MHz

SR

Slew rate (see Notes 1)

Gain = 1

450

V/

µs

ts

Settling time to 0.1%

Differential step

Gain = 1

96

ns

ts

Settling time to 0.01%

Differential step

voltage = 2 VPP,

Gain = 1

304

ns

NOTE 4: Slew rate is measured from an output level range of 25% to 75%.

† The full range temperature is 0°C to 70°C for the C suffix, and −40°C to 85°C for the I suffix.

distortion performance

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Second harmonic distortion, differential in/differential out

1 MHz

VO = 2 VPP

−85

dB

Second harmonic distortion, differential in/differential out

8 MHz

VO = 2 VPP

−65

dB

Third harmonic distortion, differential in/differential out

1 MHz

VO = 2 VPP

−79

dB

Third harmonic distortion, differential in/differential out

8 MHz

VO = 2 VPP

− 55.5

dB

Total harmonic distortion

Differential input, differential output

VCC = 5

f = 1 MHz

−78

THD

Total harmonic distortion

Differential input, differential output

Gain = 1, Rf = 390 Ω, RL = 800 Ω

VCC = ±5

f = 1 MHz

−78

dB

THD

Gain = 1, Rf = 390 Ω, RL = 800 Ω

VO = 2 VPP

VCC = ±15

f = 1 MHz

−79

dB

Spurious free dynamic range (SFDR)

−79

dB

Intermodulation distortion

5 MHz

−103

dBc

Third-order intercept

20 MHz

37

dB

† The full range temperature is 0°C to 70°C for the C suffix, and −40°C to 85°C for the I suffix.

noise performance

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Vn

Input voltage noise

f = 10 kHz

6.5

nV/

√Hz

In

Input current noise

f = 10 kHz

1.25

pA/

√Hz

† The full range temperature is 0°C to 70°C for the C suffix, and −40°C to 85°C for the I suffix.

dc performance

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Open loop gain

TA = 25°C

63

67

dB

Open loop gain

TA = full range

60

dB

Input offset voltage, differential

TA = 25°C

1

7

VOS

Input offset voltage, differential

TA = full range

8.5

mV

VOS

Input offset voltage, referred to VOCM

TA = 25°C

0.5

8

mV

Offset drift

TA = full range

7

µV/°C

IIB

Input bias current

5.1

15

µA

IOS

Input offset current

TA = full range

0.1

1

µA

Offset drift

TA = full range

0.3

nA/

°C

† The full range temperature is 0°C to 70°C for the C suffix, and −40°C to 85°C for the I suffix.