Datasheet

MAX2034
Quad-Channel, Ultra-Low-Noise Amplifier with
Digitally Programmable Input Impedance
_______________________________________________________________________________________ 5
-70
-50
-60
-30
-40
-10
-20
0
0105152520 30
TWO-TONE ULTRASOUND-SPECIFIC IMD3
vs. FREQUENCY
MAX2034 toc10
FREQUENCY (MHz)
IMD3 (dBc)
V
OUT
= 1V
P-P
DIFFERENTIAL
R
L
= 200Ω
LARGE-SIGNAL NOISE FIGURE
vs. OFFSET FREQUENCY
MAX2034 toc11
OFFSET FREQUENCY (kHz)
LARGE-SIGNAL NOISE FIGURE (dB)
101
1
2
3
4
5
6
0
0.1 100
V
IN
= 112mV
P-P
V
IN
= 300mV
P-P
V
IN
= 200mV
P-P
SMALL-SIGNAL
NOISE FIGURE
R
IN
= 200Ω
R
L
= 200Ω
f
IN_
= 5MHz
0
10
5
25
15
45
35
20
40
30
50
-0.20 -0.16 -0.12 -0.08 -0.04
0.02 0.06 0.10 0.14 0.18
GAIN-ERROR HISTOGRAM
MAX2034 toc12
GAIN ERROR (dB)
% OF UNITS
SAMPLE SIZE = 243 UNITS
f
IN_
= 5MHz, V
IN
= 112mV
P-P
-30
-100
1 10 100
CHANNEL-TO-CHANNEL CROSSTALK
vs. FREQUENCY
-90
MAX2034 toc13
FREQUENCY (MHz)
CROSSTALK (dB)
-80
-70
-40
-50
-60
V
OUT
= 1V
P-P
DIFFERENTIAL
R
L
= 200Ω
ADJACENT CHANNELS
30
50
90
70
110
130
SUPPLY CURRENT
vs. DIFFERENTIAL OUTPUT VOLTAGE
MAX2034 toc14
DIFFERENTIAL OUTPUT VOLTAGE (V
P-P
)
SUPPLY CURRENT (mA)
02134
ALL CHANNELS ACTIVE
R
L
= 200Ω
NO LOAD
LARGE-SIGNAL RECOVERY
MAX2034 toc15
400ns/div
DIFFERENTIAL
OUTPUT
OUT_+ - OUT_-
2.0V/div
INPUT IN_
500mV/div
f
IN_
= 5MHz
Typical Operating Characteristics (continued)
(MAX2034 Typical Application Circuit, V
CC
= +4.75V to +5.25V, source impedance R
S
= 200Ω, PD = 0, D2/D1/D0 = 0/1/0 (R
IN
= 200Ω),
signal AC-coupled to IN_, INB_ is AC grounded, V
OUT
is the differential output between OUT_+ and OUT_-, f
IN_
= 5MHz, R
L
= 200Ω
between the differential outputs, C
L
= 20pF from each output to ground, T
A
= 0°C to +70°C, unless otherwise specified.)