Datasheet
THS770006
SBOS520B –JULY 2010–REVISED JANUARY 2012
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
Test conditions are at T
A
= +25°C, V
S+
= +5V, V
OCM
= +2.5V, V
OUT
= 2V
PP
, R
L
= 400Ω differential, G = +6dB, differential input
and output, and input and output referenced to midsupply, unless otherwise noted. Measured using evaluation module as
discussed in Test Circuits section.
TEST
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT LEVEL
(1)
Output third-order intercept
At device outputs, R
L
= 400Ω, f = 100MHz 48 dBm C
point
Input-referred voltage noise f > 100kHz 1.7 nV/√Hz C
Ouput-referred voltage noise f > 100kHz 3.4 nV/√Hz C
f = 50 MHz 10.5 dB C
100Ω differential
Noise figure f = 100 MHz 11 dB C
source
f = 200 MHz 13 dB C
Overdrive recovery Overdrive = ±0.5V 5 7.5 ns B
Output balance error f = 200MHz –60 dB C
Output impedance f = 100MHz 4.4 Ω C
DC PERFORMANCE
T
A
= +25°C, R
L
= 400Ω 5.75 6 6.25 dB A
T
A
= +25°C, R
L
= 100Ω 5.5 5.7 5.9 dB B
Gain
T
A
= –40°C to +85°C, R
L
= 400Ω 5.7 6.3 dB B
T
A
= –40°C to +85°C, R
L
= 100Ω 5.45 5.95 dB B
T
A
= +25°C –10 ±1 10 mV A
Output offset
T
A
= –40°C to +85°C –12.5 12.5 mV B
T
A
= +25°C 36 60 dB A
Common-mode rejection ratio
T
A
= –40°C to +85°C 35 dB B
INPUT
Differential input resistance 85 100 115 Ω A
Inputs shorted together, V
OCM
= 2.5V 2.25 2.75 V A
Input common-mode range
V
OCM
= 2.5V, V
OUT
= 3V
PP
, HD degradation < 3dB,
1.5 3.1 V C
see Figure 13
OUTPUT
T
A
= +25°C 3.64 3.7 V A
Each output with
Most positive output voltage
200Ω to midsupply
T
A
= –40°C to +85°C 3.59 V B
T
A
= +25°C 1.3 1.4 V A
Each output with
Least positive output voltage
200Ω to midsupply
T
A
= –40°C to +85°C 1.45 V B
T
A
= +25°C 3.59 3.6 V A
Each output with
Most positive output voltage
50Ω to midsupply
T
A
= –40°C to +85°C 3.54 V B
T
A
= +25°C 1.3 1.5 V A
Each output with
Least positive output voltage
50Ω to midsupply
T
A
= –40°C to +85°C 1.55 V B
T
A
= +25°C, R
L
= 400Ω 4.4 4.85 V
PP
B
Differential output voltage
T
A
= –40°C to +85°C, R
L
= 400Ω 4.2 V
PP
B
T
A
= +25°C, R
L
= 10Ω 80 mA B
Differential output current drive
T
A
= –40°C to +85°C, R
L
=10Ω 80 mA B
OUTPUT COMMON-MODE VOLTAGE CONTROL
V
OCM
small-signal bandwidth V
OUT_CM
= 200mV
PP
525 MHz C
V
OCM
slew rate V
OUT_CM
= 500mV
PP
180 V/µs C
V
OCM
voltage range Supplied by external source
(2)
2.25 2.5 2.75 V C
V
OCM
gain V
OCM
= 2.5V 0.98 1 1.02 V/V A
Output common-mode offset
V
OCM
= 2.5V –30 12 30 mV A
from V
OCM
input
V
OCM
input bias current 2.25V ≤ V
OCM
≤ 2.75V –400 ±30 400 µA A
(2) Limits set by best harmonic distortion with V
OUT
= 3V
PP
. V
OCM
voltage range can be extended if lower output swing is used or distortion
degradation is allowed, and increased bias current into pin is acceptable. For more information, see Figure 12 and Figure 31.
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