Datasheet

THS7347
SLOS531B –MAY 2007– REVISED OCTOBER 2011 www.ti.com
ELECTRICAL CHARACTERISTICS, V
A
= V
DD
= 3.3 V (continued)
R
L
= 150 Ω ∥ 5 pF to GND for Monitor Output, 19 kΩ || 8 pF Load to GND for Buffer Output, SAG pin shorted to Monitor
Output Pin, unless otherwise noted.
TYP OVER TEMPERATURE
0°C to –40°C to MIN/MAX/
PARAMETER TEST CONDITIONS +25°C +25°C +70°C +85°C UNIT TYP
DC PERFORMANCE, continued
Input bias current Bias = dc; (–) implies I
B
out of the pin –1.3 –3.0 –3.5 –3.5 μA Max
Average bias current drift Bias = dc 10 nA/°C Typ
Bias = ac STC, low bias 2.3 0.9/3.6 0.8/3.8 0.7/3.9 μA Min/Max
Sync tip clamp bias current Bias = ac STC, mid bias 5.8 3.8/8.0 3.7/8.2 3.6/8.3 μA Min/Max
Bias = ac STC, high bias 8.1 5.7/10.8 5.6/11.0 5.5/11.1 μA Min/Max
INPUT CHARACTERISTICS
Input voltage range Bias = dc 0 to 2 V Typ
Bias = ac bias mode 25 kΩ Typ
Input resistance
Bias = dc, dc + shift, ac STC 3 MΩ Typ
Input capacitance 1.5 pF Typ
OUTPUT CHARACTERISTICS: MONITOR OUTPUT
R
L
= 150 Ω to 1.65 V 3.15 2.9 2.8 2.8 V Min
R
L
= 150 Ω to GND 3.05 2.85 2.75 2.75 V Min
High output voltage swing
R
L
= 75 Ω to 1.65 V 3.05 V Typ
R
L
= 75 Ω to GND 2.9 V Typ
R
L
= 150 Ω to 1.65 V 0.15 0.25 0.28 0.29 V Max
R
L
= 150 Ω to GND 0.1 0.18 0.21 0.22 V Max
Low output voltage swing
R
L
= 75 Ω to 1.65 V 0.25 V Typ
R
L
= 75 Ω to GND 0.08 V Typ
Sourcing 80 50 47 45 mA Min
Output current R
L
= 10 Ω to 1.65 V
Sinking 75 50 47 45 mA Min
OUTPUT CHARACTERISTICS: BUFFER OUTPUT
High output voltage swing
2 1.8 1.75 1.75 V Min
(Limited by input range and G = 0 dB)
Load = 19 kΩ ∥ 8 pF to 1.65 V
Low Output voltage swing
0.05 0.12 0.13 0.14 V Max
(Limited by input range and G = 0 dB)
Sourcing R
L
= 10 Ω to GND 80 50 47 45 mA Min
Output Current
Sinking R
L
= 10 Ω to 1.65 V 75 50 47 45 mA Min
POWER SUPPLY: ANALOG
Maximum operating voltage V
A
3.3 5.5 5.5 5.5 V Max
Minimum operating voltage V
A
3.3 2.7 2.7 2.7 V Min
Maximum quiescent current V
A
, dc + shift mode, V
IN
= 100 mV 80 100 103 105 mA Max
Minimum quiescent current V
A
, dc + shift mode, V
IN
= 100 mV 80 60 57 55 mA Min
Power supply rejection (+PSRR) Buffer output 50 dB Typ
POWER SUPPLY: DIGITAL
Maximum operating voltage V
DD
3.3 5.5 5.5 5.5 V Max
Minimum operating voltage V
DD
3.3 2.7 2.7 2.7 V Min
Maximum quiescent current V
DD
, V
IN
= 0 V 0.65 1.2 1.3 1.4 mA Max
Minimum quiescent current V
DD
, V
IN
= 0 V 0.65 0.35 0.3 0.25 mA Min
DISABLE CHARACTERISTICS: ALL CHANNELS DISABLED
Quiescent current All channels disabled 0.1 μA Typ
Turn-on time delay (t
ON
) 5 μs Typ
Time for l
S
to reach 50% of final value
after I
2
C control is initiated
Turn-on time delay (t
OFF
) 2 μs Typ
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