Intermediate Frequency Digital Variable Gain Amplifier

IDTF1200

RevO

Page 3 of 13

April, 2011

DATASHEET

EVkit trace, transformer & matching losses are de-embedded for specification purposes (note: de-embedded losses = 0.4dB input and

0.4dB output at 100MHz).

Parameter

Condition

Symbol

min

typ

max

units

Operating Temp.

Range

Case Temperature Measured

at the exposed paddle

-40 to +85

C

Logic Input High

2.0

1

V

Logic Input Low

0.8

V

Logic Current

-1

+1

μA

Operating voltage

range

Analog & Digital Supplies

4.75 to 5.25

V

Supply Current

103

110

117

mA

Standby Current

2.5

mA

Frequency Range

Output IP3 > +40 dBm

50 to 160

MHz

Input Resistance

Differential

200

Ω

Output Resistance

Differential

200

Ω

Maximum Gain

GC = [0000000]

20.7

21.7

22.6

dB

Minimum Gain

GC = [1011101]

-2.8

-1.7

-0.7

dB

Gain Step

LSB

0.25

dB

Phase Slope

ΔΦ due to change in gain

0.3

deg/dB

Differential Gain Error

Between adjacent 1dB steps

DNL

.05

dB

Integral Gain Error

Error vs. straight line

INL

+/-0.20

dB

Noise Figure

At Maximum Gain

NF

2.6

dB

Noise Figure

GC = [0110100] (gain = 9dB)

4.55

dB

Output IP3

48

dBm

Output IP3 –

at Gback

44

dBm

Settling Time

value

15

2

nsec

2

H2

-82

dBc

# Control Bits

Parallel

CB

7

#

1 dB Compression

+16.7

+19.4

dBm

1 –Items in bold italics are Guaranteed by Test

2 – See Graph on Page 8