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LMH6518_15 Datasheet, PDF (6/41 Pages) Texas Instruments – LMH6518 900 MHz, Digitally Controlled, Variable Gain Amplifier
LMH6518
SNOSB21C – MAY 2008 – REVISED JULY 2013
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Electrical Characteristics (1) (continued)
Unless otherwise specified, all limits are ensured for TA = 25°C, Input CM = 2.5V, VCM = 1.2V, VCM_Aux = 1.2V, Single-ended
input drive, VCC = 5V, VDD = 3.3V, RL = 100Ω differential (both Main & Auxiliary Outputs), VOUT = 0.7 VPP 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
Digital I/O & Timing
VIH
VIL
VOH
VOL
RHi_Z
I_in
Input Logic High
Input Logic Low
Output Logic High
Output Logic Low
Output Resistance
Input Bias Current
High Impedance Mode
VDD-0.6
VDD
0
5
<1
V
0.5
V
V
V
MΩ
μA
FSCLK
FSCLK_DT
TS
TH
TCES
SCLK Rate
SCLK Duty Cyle
SDIO Setup Time
SDIO Hold Time
CS Enable Setup Time
10
MHz
45
50
55
%
25
ns
25
ns
From CS asserted to rising edge of
25
ns
SCLK
tCDS
CS Disable Setup Time
From CS de-asserted to rising edge
25
ns
of SCLK
TIAG
Inter-Acess Gap
3
Cycles
of
SCLK
Power Requirements
IS1
IS1_off
Supply Current
VCC
VCC Aux off
195
210
225
230
mA
150
165
170
IDD
VDD
180
350
400
μA
Bandwidth Limiting Filter Specifications
Filter
Parameter
Condition
Min
Typ
Max Units
20 MHz
Pass Band Tolerance (All Gains)
−3 dB Bandwidth
−0, +20
%
100 MHz
Pass Band Tolerance (All Gains)
−3 dB Bandwidth
−0, +20
%
200 MHz
Pass Band Tolerance (All Gains)
−3 dB Bandwidth
−0, +20
%
350 MHz
Pass Band Tolerance (Preamp LG, 0 dB −3 dB Bandwidth
Ladder)
Pass Band Tolerance (All Gains)
±10
%
±25
650 MHz
Pass Band Tolerance (Preamp LG, 0 dB −3 dB Bandwidth
Ladder)
Pass Band Tolerance (All Gains)
±10
%
±25
750 MHz
Pass Band Tolerance (Preamp LG, 0 dB −3 dB Bandwidth
Ladder)
Pass Band Tolerance (All Gains)
±10
%
±25
6
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