Datasheet

THS7303
SLOS479B –OCTOBER 2005– REVISED MARCH 2011 www.ti.com
ELECTRICAL CHARACTERISTICS: V
S+
= 3.3 V (continued)
R
L
= 150 Ω to GND, filter select = 9 MHz, input bias = dc, and SAG pin shorted to the output pin (unless otherwise noted).
TYP OVER TEMPERATURE
PARAMETER TEST CONDITIONS +25°C +25°C 0°C to +70°C –40°C to +85°C UNITS MIN/MAX
DC PERFORMANCE
Output offset voltage Bias = dc 35 90 95 95 mV Max
Average offset voltage drift Bias = dc 20 μV/°C
Bias = dc + 135 mV, V
I
= 0 V 290 235/345 215/360 200/375 mV Min/Max
Bias output voltage
Bias = ac 1.65 1.5/1.8 1.45/1.85 1.45/1.85 V Min/Max
Sync-tip-clamp output voltage Bias = ac STC 290 210/370 200/380 195/385 mV Min/Max
Input bias current Bias = dc, implies I
B
out of the pin –0.6 –4 –5 –5 μA Max
Average bias current drift Bias = dc 10 nA/°C
Bias = ac STC, low bias 1.8 0.6/3.3 0.5/3.5 0.4/3.6 μA Min/Max
Sync-tip-clamp bias current Bias = ac STC, mid bias 5.8 4.3/8.2 4.1/8.4 4/8.5 μA Min/Max
Bias = ac STC, high bias 7.8 6.2/10.8 6/11 5.9/11.1 μA Min/Max
INPUT CHARACTERISTICS
Input voltage range Bias = dc, limited by output 0/1.57 0/1.52 0/1.47 0/1.47 V Min/Max
Bias = ac bias mode 19 kΩ
Input resistance
Bias = dc, dc + 135 mV, ac STC 3 MΩ
Input capacitance 2 pF
OUTPUT CHARACTERISTICS
R
L
= 150 Ω to +1.65V 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 +1.65V 3.05 2.8 2.7 2.7 V Min
R
L
= 75 Ω to GND 2.9 2.65 2.55 2.55 V Min
R
L
= 150 Ω to +1.65V 0.14 0.24 0.27 0.28 V Max
R
L
= 150 Ω to GND 0.09 0.17 0.2 0.21 V Max
Low output voltage swing
R
L
= 75 Ω to GND 0.24 0.33 0.36 0.37 V Max
R
L
= 75 Ω to GND 0.09 0.17 0.2 0.21 V Max
R
L
= 10 Ω to +1.65V, sourcing 70 45 42 40 mA Min
Output current
R
L
= 10 Ω to +1.65V, sinking 70 45 42 40 mA Min
POWER SUPPLY
Maximum operating voltage 3.3 5.5 5.5 5.5 V Max
Minimum operating voltage 3.3 2.6 2.6 2.6 V Min
Maximum quiescent current Per channel V
I
= 200 mV 6 7.2 7.4 7.5 mA Max
Minimum quiescent current Per channel V
I
= 200 mV 6 4.8 4.6 4.5 mA Min
Total quiescent current All channels on, V
I
= 200 mV
(3)
16.6 mA
Power-supply rejection
V
S+
= 3.5 V to 3.1 V 62 37 35 35 dB Min
(+PSRR)
DISABLE CHARACTERISTICS
Quiescent current All 3 channels disabled
(4)
0.1 μA
Turn-on time delay (t
ON
) Time reaches 50% of final value after 5 μs
I
2
C control is completed
Turn-on time delay (t
OFF
) 2 μs
DIGITAL CHARACTERISTICS
High-level input voltage xxx 2.3 V Typ
V
IH
Low-level input voltage xx x 1.0 V Typ
V
IL
(3) Due to sharing of internal bias circuitry, the quiescent current (with all channels operating) is less than the single individual channel
quiescent currents added together.
(4) Note that the I
2
C circuitry is still active while in Disable mode. The current shown is while there is no activity with the device I
2
C circuitry.
4 Submit Documentation Feedback Copyright © 2005–2011, Texas Instruments Incorporated
Product Folder Link(s): THS7303