THS4509_14 Datasheet, PDF (7/43 Pages) Texas Instruments – WIDEBAND, LOW-NOISE, LOW-DISTORTION, FULLY-DIFFERENTIAL AMPLIFIER

THS4509
www.ti.com
SLOS454H – JANUARY 2005 – REVISED NOVEMBER 2009
ELECTRICAL CHARACTERISTICS: V_S+ – V_S– = 3 V (continued)
Test conditions at V_S+ = +1.5 V, V_S– = –1.5 V, G = 10 dB, CM = open, V_O = 1 V_PP, R_F = 349 Ω, R_L = 200-Ω differential,
T_A = +25°C, single-ended input, differential output, and input and output referenced to midsupply, unless otherwise noted.
PARAMETER
TEST CONDITIONS
THS4509
MIN
TYP
MAX UNIT
TEST
LEVEL ⁽¹⁾
INPUT
Common-mode input range high
Common-mode input range low
0.4
V
–0.4
B
Common-mode rejection ratio
80
dB
Differential input impedance
1.3 || 1.8
MΩ || pF
C
Common-mode input impedance
1.0 || 2.3
MΩ || pF
C
OUTPUT
Maximum output voltage high
Minimum output voltage low
Differential output voltage swing
Differential output current drive
Output balance error
Closed-loop output impedance
Each output with 100 Ω
to midsupply
T_A = +25°C
T_A = +25°C
R_L = 10 Ω
V_O = 100 mV, f = 1 MHz
f = 1 MHz
0.45
–0.45
1.8
50
–49
0.3
V
V
V
C
mA
dB
Ω
OUTPUT COMMON-MODE VOLTAGE CONTROL
Small-signal bandwidth
570
MHz
Slew rate
60
V/μs
Gain
1
V/V
Output common-mode offset
from CM input
CM input bias current
1.25 V < CM < 3.5 V
1.25 V < CM < 3.5 V
4
mV
C
±40
μA
CM input voltage range
–1.5 to 1.5
V
CM input impedance
20 || 1
kΩ || pF
CM default voltage
0
V
POWER SUPPLY
Specified operating voltage
3
V
C
Quiescent current
Power-supply rejection (±PSRR)
T_A = +25°C
34.8
mA
A
70
dB
C
POWER-DOWN
Enable voltage threshold
Disable voltage threshold
Power-down quiescent current
Referenced to V_S–
Assured on above 2.1 V + V_S–
Assured off below 0.7 V + V_S–
> 2.1 + V_S–
V
< 0.7 + V_S-
V
0.46
mA
Input bias current
Input impedance
PD = V_S–
65
50 || 2
μA
C
kΩ || pF
Turn-on time delay
Measured to output on
100
ns
Turn-off time delay
Measured to output off
10
μs
Copyright © 2005–2009, Texas Instruments Incorporated
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