EL2180C/EL2280C/EL2480C-Preliminary
250MHz / 3mA Current Mode Feedback Amplifiers
Absolute Maximum Ratings (T = 25°C)
A
Supply Voltage between VS+ and GND
Voltage between VS+ and VS-
Common-Mode Input Voltage
Differential Input Voltage
+12.6V
+12.6V
Operating Junction Temperature
Plastic Packages
150°C
±120mA
VS- to VS+
±6V
Output Current (EL2180C)
Output Current (EL2280C)
Output Current (EL2480C)
Storage Temperature Range
±60mA
Current into +IN or -IN
±7.5mA
±60mA
Internal Power Dissipation
See Curves
-40°C to +85°C
-65°C to +150°C
Operating Ambient Temperature Range
Important Note:
All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all tests are at the
specified temperature and are pulsed tests, therefore: TJ = TC = TA.
DC Electrical Characteristics
VS = ±5V, RL = 150W, TA = 25°C unless otherwise specified.
Parameter
VOS
Description
Input Offset Voltage
Conditions
Min
Typ
2.5
5
Max
Unit
mV
µV/°C
mV
µA
10
TCVOS
dVOS
+IIN
Average Input Offset Voltage Drift
VOS Matching
Measured from TMIN to TMAX
EL2280C, EL2480C only
0.5
1.5
20
16
2
+Input Current
15
40
d+IIN
-IIN
+IIN Matching
EL2280C, EL2480C only
nA
-Input Current
µA
d-IIN
CMRR
-ICMR
PSRR
-IPSR
ROL
-IIN Matching
EL2280C, EL2480C only
VCM = ±3.5V
µA
Common Mode Rejection Ratio
-Input Current Common Mode Rejection
Power Supply Rejection Ratio
-Input Current Power Supply Rejection
Transimpedance
45
60
50
5
dB
VCM = ±3.5V
30
15
µA/V
dB
VS is moved from ±4V to ±6V
VS is moved from ±4V to ±6V
VOUT = ±2.5V
70
1
µA/V
kW
MW
pF
120
0.5
300
2
+RIN
+CIN
CMIR
VO
+Input Resistance
VCM = ±3.5V
+Input Capacitance
1.2
±4.0
±4.0
4.0
0.3
100
55
55
3
Common Mode Input Range
Output Voltage Swing
±3.5
±3.5
V
VS = ±5
V
VS = +5 Single-supply, high
VS = +5 Single-supply, low
EL2180C only
V
V
IO
Output Current
Supply Current
80
50
50
mA
mA
mA
mA
EL2280C only, per amplifier
EL2480C only, per amplifier
Per amplifier
IS
6
AC Electrical Characteristics
VS = ±5V, RF = RG = 750W for PDIP and SO packages, RF = RG = 560W for SOT23-5 package, RL = 150W, TA = 25°C unless otherwise specified
Parameter
-3dB BW
-3dB BW
0.1dB BW
SR
Description
Conditions
Min
Typ
250
180
50
Max
Unit
MHz
MHz
MHz
V/µs
ns
-3dB Bandwidth
-3dB Bandwidth
0.1dB Bandwidth
Slew Rate
AV = +1
AV = +2
AV = +2
VOUT = ±2.5V, AV = +2
VOUT = ±500 mV
600
1200
1.5
tR, tF
Rise and Fall Time
2
ELANTEC [ ELANTEC SEMICONDUCTOR ]
