Datasheet

v
O_CM
v
OUT
250 MHz,
'V
O_CM
'V
OUT
DC,
LMH6518
www.ti.com SNOSB21C –MAY 2008–REVISED JULY 2013
Electrical Characteristics
(1)
(continued)
Unless otherwise specified, all limits are ensured for T
A
= 25°C, Input CM = 2.5V, V
CM
= 1.2V, V
CM_Aux
= 1.2V, Single-ended
input drive, V
CC
= 5V, V
DD
= 3.3V, R
L
= 100Ω differential (both Main & Auxiliary Outputs), V
OUT
= 0.7 V
PP
differential (both
Main & Auxiliary Outputs), both Main and Auxiliary Output Specifications, full bandwidth setting, gain = 18.8 dB (Preamp LG,
0 dB ladder attenuation), Full Power setting
(2)
. Electrical Characteristics Definition of Terms and Specifications for
abbreviations used in the datasheet. Boldface limits apply at the temperature extremes.
Symbol Parameter Condition Min
(3)
Typ
(4)
Max
(3)
Units
TCV
OOS
Output Offset Voltage Drift
(9)
Preamp HG, 0 dB Ladder −24 µV/°C
Preamp LG, 0 dB Ladder −7
I
B
Input Bias Current
(10)
+40 +100
µA
+140
V
OCM
Output CM Voltage Range All Gains 0.95 1.20 1.45 V
V
OS_CM
Output CM Offset Voltage All Gains ±15 ±30 mV
TC_V
OS_CM
CM Offset Voltage Temp Coefficient All Gains +55 µV/°C
BAL_Error_DC Output Gain Balance Error −78
dB
BAL_Error_AC −45
PB Phase Balance Error (See Table 1) 250 MHz ±0.8 deg
PSRR Differential Power Supply Rejection(see Preamp HG, 0 dB Ladder −60 −87
dB
Table 1)
Preamp LG, 0 dB Ladder −50 −70
PSRR_CM CM Power Supply Rejection(see Preamp LG, 0 dB −55 −71 dB
Table 1)
V
CM_I
V
CM
Input Bias Current
(11)
All Gains ±1 ±10
±20
nA
V
CM_AUX_I
V
CM_AUX
Input Bias Current
(11)
All Gains ±1 ±10
±20
(9) Drift determined by dividing the change in parameter at temperature extremes by the total temperature change.
(10) Positive current is current flowing into the device.
(11) Positive current is current flowing into the device.
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