3

MD3880

Electrical Characteristics

(All typical values are under the condition of T

= 0, V

R

signal output, unless otherwise noted.)

Low Noise Amplifier

Sym

Parameter

Min

Typ

Max

Units

Conditions

G

LNA

Amplifier gain

-

18.5

-

dB

---

R

IN

Input resistance

-

600

-

kΩ

Without active termination

C

IN

Input capacitance

-

17.5

-

pF

Without active termination

I

BIAS

Input bias current

-

1

-

nA

From ESD leakage

CMRR

Common mode rejection

ratio

-

-65

-

dB

PG0 = PG1 = V

f = 1MHz

V

IN

Input voltage range

-

±210

-

mV

AC-coupled

V

IN-NOISE

Input voltage noise, 5MHz

-

0.74

-

nV/√Hz

Without active termination

I

IN-NOISE

Input current noise

-

0.35

-

pA/√Hz

Without active termination

NF

Noise figure

-

2.3

-

dB

f = 5MHz, without active termination

-

3.7

-

dB

R

termination

BW

Bandwidth

-

100

-

MHz

Small signal bandwidth

Overall Channel

Sym

Parameter

Min

Typ

Max

Units

Conditions

Gain

Whole channel gain

-

70

-

dB

Without active termination, max. gain

BW

VGA

-3dB bandwidth

-

60

-

MHz

Small signal bandwidth at max. gain

SR

VGA

Slew rate

-

500

-

V/µs

---

VO

VGA

Output signal range

-

4

-

V

PP

RL > 1kΩ differentially

R

OUT

Output Impedance

-

3

-

Ω

f = 5MHz, single ended

I

OUTS

Output short-circuit current

-

±40

-

mA

---

V

IN-NOISE

Input voltage noise

-

0.8

-

nV/√Hz

At max. gain and 5MHz

IMD

Intermodulation distortion,

two-tone

-

-76

-

dBc

1MHz , V

-

-70

-

10MHz , V

HD3

Third harmonic distortion

-

-73

-

dBc

V

--69

-

V

-

-55

-

V

-

-47

-

V

HD2

Second harmonic distortion

-

-87

-

dBc

V

-

-70

-

V

-

-53

-

V

-

-51

-

V

A

OUT1dB

1dB compression point

-

-1.3

-

dBm

V