LT1795 Linear Technology, LT1795 Datasheet - Page 3

• Manufacturer Part Number: LT1795
• Description: Dual 500mA/50MHz Current Feedback Line Driver Amplifier
• Manufacturer: Linear Technology

ELECTRICAL CHARACTERISTICS
The
V
SYMBOL
R
C
CMRR
PSRR
A
R
V
I
I
HD
SR
BW
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Applies to short-circuits to ground only. A short-circuit between
the output and either supply may permanently damage the part when
operated on supplies greater than 10V.
Note 3: The LT1795C is guaranteed to meet specified performance from
0 C to 70 C and is designed, characterized and expected to meet these
extended temperature limits, but is not tested at – 40 C and 85 C. The
LT1795I is guaranteed to meet the extended temperature limits.
OUT
S
IN
V
OUT
CM
IN
OL
2
+
+
, HD
= 0V, 5V V
denotes the specifications which apply over the full specified temperature range, otherwise specifications are at T
3
PARAMETER
Input Resistance
Input Capacitance
Input Voltage Range (Note 5)
Common Mode Rejection Ratio
Inverting Input Current
Common Mode Rejection
Power Supply Rejection Ratio
Noninverting Input Current
Power Supply Rejection
Inverting Input Current
Power Supply Rejection
Large-Signal Voltage Gain
Transresistance, V
Maximum Output Voltage Swing
Maximum Output Current
Supply Current Per Amplifier
Supply Current Per Amplifier,
R
Positive Supply Current, Shutdown
Output Leakage Current, Shutdown
Channel Separation
2nd and 3rd Harmonic Distortion
Differential Mode
Slew Rate (Note 7)
Slew Rate
Small-Signal BW
SHDN
S
= 51k, (Note 6)
15V, pulse tested, V
OUT
/ I
IN
–
SHDN
= 2.5V, V
CONDITIONS
V
V = 2V, V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
f = 1MHz, V
A
A
A
R
A
R
IN
IN
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
V
V
V
F
V
F
= 15V
= 5V
= 15V, V
= 5V, V
= 15V, V
= 5V, V
= 5V to 15V
= 5V to 15V
= 5V to 15V
= 15V, V
= 5V, V
= 15V, V
= 5V, V
= 15V, R
= 5V, R
= 15V, R
= 15V, V
= 15V
= 15V, V
= 15V, V
= 15V, V
= 4, R
= 4, R
= 2, V
= R
= 2, V
= R
= 12V, V
= 15V
SHDNREF
G
G
= 910 , R
= 820 , R
S
S
L
L
S
= 400
= 25
= 15V, Peaking 1.5dB
= 15V, Peaking 1.5dB
O
CM
CM
OUT
OUT
L
= 5V
CM
CM
OUT
OUT
SHDN
SHDN
SHDN
OUT
L
L
S
= 20V
= 12
= 25
= 1
= 15V
= 2V
= 2V
= 0V unless otherwise noted. (Note 3)
= 2V, R
= 2V, R
= 12V
= 12V
= 10V, R
= 10V, R
= 10V, R
= 2.5V
= 0.4V
= 0.4V
L
L
P-P
Note 4: Thermal resistance varies depending upon the amount of PC board
metal attached to the device. If the maximum dissipation of the package is
exceeded, the device will go into thermal shutdown and be protected.
Note 5: Guaranteed by the CMRR tests.
Note 6: R
Note 7: Slew rate is measured at 5V on a 10V output signal while
operating on 15V supplies with R
R
= 100
= 25
L
, R
= 400 .
L
L
L
= 12
= 12
= 50, A
L
L
L
= 25
= 25
= 25
SHDN
V
is connected between the SHDN pin and V
= 2
F
= 1k, R
MIN
400
1.5
0.5
0.5
55
50
60
55
55
75
75
11.5
10.0
80
2.5
2.0
12
2
G
= 333 (A
TYP
200
200
110
–75
900
900
13.5
12.5
11.5
10
62
60
77
30
68
68
29
15
65
50
3.5
5
2
1
1
1
1
1
1
3
3
V
LT1795
= +4) and
+
MAX
A
500
200
.
10
10
34
42
20
25
10
5
= 25 C.
UNITS
3
nA/V
V/ s
V/ s
MHz
MHz
M
M
dBc
A/V
A/V
A/V
mA
mA
mA
mA
k
k
dB
dB
dB
dB
dB
dB
pF
V
V
V
V
V
V
A
A
A