Datasheet

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SBOS334A − SEPTEMBER 2005 − REVISED JANUARY 2006
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3
ELECTRICAL CHARACTERISTICS: V
S
= +2.5V to +3.3V
Boldface limits apply over the temperature range, T
A
= −40°C to +125°C.
At T
A
= +25°C, R
L
= 150Ω connected to GND, unless otherwise noted.
OPA361
PARAMETER CONDITIONS MIN TYP MAX UNITS
OFFSET LEVEL-SHIFT VOLTAGE
Output Level-Shift Voltage
(1)
V
OLS
V
S
= +2.8V, V
IN
= GND −3 11 55 mV
Over Temperature 20 mV
vs Power Supply PSRR V
S
= +2.5V to +3.3V ±80 µV/V
INPUT VOLTAGE RANGE
Input Voltage Range
(2)
V
CM
V
S
= 2.5V GND 0.42 V
V
S
= 2.8V GND 0.48 V
V
S
= 3.3V GND 0.55 V
Input Resistance (+In) R
IN
450 510 550 Ω
R
SET
Resistance R
SET
3600 4070 4400 Ω
Matching of R
IN
and R
SET
2 0.5 %
VOLTAGE GAIN
∆V
OUT
/∆V
IN
, V
S
= +2.5V, V
INMIN
= 0V, V
INMAX
= 0.42V 5.06 5.17 5.28 V/V
∆V
OUT
/∆V
IN
, V
S
= +2.8V, V
INMIN
= 0V, V
INMAX
= 0.48V 5.06 5.17 5.28 V/V
∆V
OUT
/∆V
IN
, V
S
= +3.3V, V
INMIN
= 0V, V
INMAX
= 0.55V 5.06 5.17 5.28 V/V
FREQUENCY RESPONSE
Filter Response
Cutoff Frequency f
−3dB
9 MHz
Normalized Gain: f
IN
= 4.5MHz V
O
= 2V
PP
−0.1 dB
f
IN
= 27MHz V
O
= 2V
PP
−18 dB
f
IN
= 54MHz V
O
= 2V
PP
−23 dB
Differential Gain Error R
L
= 150Ω 1.2 %
Differential Phase Error R
L
= 150Ω 1.6 degrees
Group Delay Variation 100kHz, 4.5MHz 26 ns
Signal-to-Noise Ratio SNR 100% White Signal 65 dB
OUTPUT
Positive Voltage Output Swing from Rail V
S
= +2.8V, V
IN
= 0.7V, R
L
= 150Ω to GND 130 250 mV
Negative Voltage Output Swing from Rail V
S
= +2.8V, V
IN
= −0.05V, R
L
= 150Ω to GND 0.15 5 mV
Positive Voltage Output Swing from Rail V
S
= +2.8V, V
IN
= 0.7V, R
L
= 75Ω to GND 260 mV
Negative Voltage Output Swing from Rail V
S
= +2.8V, V
IN
= −0.05V, R
L
= 75Ω to GND 2 mV
Output Leakage V
S
= +2.8V, Disabled, V
O
= 2V 0.3 100 nA
Output Current
(3)
I
O
V
S
= +2.8V ±80 mA
POWER SUPPLY
Specified Voltage Range V
S
2.5 3.3 V
Quiescent Current I
Q
V
S
= +2.8V, Enabled, I
O
= 0, V
OUT
= 1.4V 5.3 7.5 mA
Over Temperature Specified Temperature Range 9 mA
ENABLE/SHUTDOWN FUNCTION
Disabled (logic-LOW threshold) 0 0.35 V
Enabled (logic-HIGH threshold) 1.3 V
S
V
Enable Time 1.5 µs
Disable Time 50 ns
Shutdown Current V
S
= +2.8V, Disabled 1.5 3 µA
TEMPERATURE RANGE
Specified/Operating Range −40 +125 °C
Storage Range −65 +150 °C
Thermal Resistance q
JA
SC70 250 °C/W
(1)
Output referred.
(2)
Limited by output swing and internal G = 5.2V/V.
(3)
See typical characteristics Output Voltage Swing vs Output Current.