lt5554 Linear Technology Corporation, lt5554 Datasheet - Page 3

• Manufacturer Part Number: lt5554
• Description: Broadband Ultra Low Distortion 7-bit Digitally Controlled Vga
• Manufacturer: Linear Technology Corporation

AC ELECTRICAL CHARACTERISTICS
ENB = 3V, MODE = 5V, STROBE = 2.2V, V
otherwise noted.
SYMBOL
Dynamic Performance
BW
OP1dB
G
CMRR
S12
Noise/Linearity Performance Two Tones, P
IIP3
OIP3
IMD3
OIP3
OIP3
HD3
V
NF
RTI
SFDR
Amplifi er Voltage Gain and Gain Step
G
G
G
GD
AMPLIFIER I/O Differential IMPEDANCE
R
C
R
C
ONOISE
IN
O
M
MAX
MIN
STEP
IN
O
ERROR
PARAMETER
Large Signal –3dB Bandwidth
Output 1dB Compression Point
Amplifi er Transconductance at G
Common Mode Gain to Single-Ended
Output
Reverse Isolation
Overdrive Recovery Time
Input Third Order Intercept Point
Output Third Order Intercept Point for
Max-Gain
Intermodulation Product for Max-Gain
Output Third Order Intercept Point for
–3.875dB STEP
Output Third Order Intercept Point
Third Harmonic Distortion
Output Noise Noise Spectral Density
Noise Figure
Input Referred Noise Spectral Density
(RMS) (Note 5)
Spurious Free Dynamic Range in 1Hz
BW.
Maximum Voltage and Power Gain
Minimum Voltage and Power Gain
Gain Step Size (Note 9)
Group Delay Step Accuracy
Input Resistance
Input Capacitance
Output Resistance
Output Capacitance
OUT
IH
MAX
= 4dBm/Tone (2V
= 2.2V, V
CONDITIONS
All Gain Settings (Note 7)
All Gain Settings, R
F
F
F
F
5ns Input Pulse, V
G
G
F
F
F
F
F
F
G
G
Pout = 10dBm, F
G
G
G
G
G
G
G
G
F
F
Except For –4dB, –8dB, –12dB Steps
For –4dB, –8dB, –12dB Steps
F
F
F
F
F
F
IL
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
= 0.6V, maximum gain (Notes 3, 6), (Test circuits shown in Figure 16), unless
= 100MHz
= 100MHz, Figure 19
= 100MHz
= 400MHz
= 100MHz
= 200MHz
= 100MHz
= 200MHz
= 100MHz
= 200MHz
= 112MHz
= 100MHz
= 100MHz
= 100MHz, G
= 100MHz, G
= 100MHz
= 100MHz
= 100MHz
, F
, F1 = 88MHz, F2 = 112MHz
, F
, F
, F
, F
–3.875dB, F
–3.875dB, F1 = 88MHz, F2 = 112MHz
–3.875dB, F
–3.875dB, F
–3.875dB, F
–3.875dB, F
P-P
IN
IN
IN
IN
IN
= 200MHz
= 200MHz
= 200MHz
= 200MHz
= 200MHz
into 50Ω), Δf = 200kHz
MAX
MAX
(R
IN
IN
OUT
IN
IN
IN
IN
OUT
OUT
= 100MHz, G
= 200MHz
= 200MHz
= 200MHz
= 200MHz
= 200MHz
to G
–4dB to G
within ±10%
= 130Ω, 70MHz
= 50Ω) Specifi cations are at T
MAX
–3.875dB
MIN
MAX
MIN
40.5
15.3
38
A
= 25°C. V
LF – 1000
1.725
0.125
0.15
10.7
10.5
1.34
1.42
17.6
TYP
–86
–78
–82
–84
–62
128
129
400
7.3
2.8
1.9
20
–6
27
30
45
46
44
40
47
44
10
10
43
47
5
CC
= 5V, V
MAX
19.7
0.25
0.35
LT5554
CCO
= 5V,
dBm/Hz
dBm/Hz
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
UNIT
3
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
MHz
5554f
dBc
dBc
dBc
dB
dB
dB
dB
dB
dB
dB
dB
dB
ns
ps
pF
pF
Ω
Ω
Ω
S