Datasheet

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SBOS099C − SEPTEMBER 2000 − REVISED JANUARY 2005
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3
ELECTRICAL CHARACTERISTICS: V
S
= 2.7V to 5.5V
Boldface limits apply over the temperature range, T
A
= −40°C to +85°C. V
S
= 5V.
All specifications at T
A
= +25°C, R
L
= 1kΩ connected to V
S
/2 and V
OUT
= V
S
/2, unless otherwise noted.
OPA350, OPA2350, OPA4350
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
OFFSET VOLTAGE
Input Offset Voltage V
OS
V
S
= 5V ±150 ±500 µV
T
A
= −40°C to +85°C ±1 mV
vs Temperature T
A
= −40°C to +85°C ±4 µV/°C
vs Power-Supply Rejection Ratio PSRR V
S
= 2.7V to 5.5V, V
CM
= 0V 40 150 µV/V
T
A
= −40°C to +85°C V
S
= 2.7V to 5.5V, V
CM
= 0V 175 µV/V
Channel Separation (dual, quad) dc 0.15 µV/V
INPUT BIAS CURRENT
Input Bias Current I
B
±0.5 ±10 pA
vs Temperature See Typical Characteristics
Input Offset Current I
OS
±0.5 ±10 pA
NOISE
Input Voltage Noise, f = 100Hz to 400kHz 4 µVrms
Input Voltage Noise Density, f = 10kHz e
n
7 nV/√Hz
Input Current Noise Density, f = 100kHz 5 nV/√Hz
Current Noise Density, f = 10kHz i
n
4 fA/√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range V
CM
T
A
= −40°C to +85°C −0.1 (V+) + 0.1 V
Common-Mode Rejection Ratio CMRR V
S
= 2.7V, −0.1V < V
CM
< 2.8V 66 84 dB
V
S
= 5.5V, −0.1V < V
CM
< 5.6V 74 90 dB
T
A
= −40°C to +85°C V
S
= 5.5V, −0.1V < V
CM
< 5.6V 74 dB
INPUT IMPEDANCE
Differential 10
13
|| 2.5 Ω || pF
Common-Mode 10
13
|| 6.5 Ω || pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain A
OL
R
L
= 10kΩ, 50mV < V
O
< (V+) −50mV 100 122 dB
T
A
= −40°C to +85°C R
L
= 10kW, 50mV < V
O
< (V+) −50mV 100 dB
R
L
= 1kΩ, 200mV < V
O
< (V+) −200mV 100 120 dB
T
A
= −40°C to +85°C R
L
= 1kW, 200mV < V
O
< (V+) −200mV 100 dB
FREQUENCY RESPONSE C
L
= 100pF
Gain-Bandwidth Product GBW G = 1 38 MHz
Slew Rate SR G = 1 22 V/µs
Settling Time: 0.1% G = ±1, 2V Step 0.22 µs
0.01% G = ±1, 2V Step 0.5 µs
Overload Recovery Time V
IN
• G = V
S
0.1 µs
Total Harmonic Distortion + Noise THD+N R
L
= 600Ω, V
O
= 2.5V
PP
(2)
, G = 1, f = 1kHz 0.0006 %
Differential Gain Error G = 2, R
L
= 600Ω, V
O
= 1.4V
(3)
0.17 %
Differential Phase Error G = 2, R
L
= 600Ω, V
O
= 1.4V
(3)
0.17 deg
(1)
V
S
= +5V.
(2)
V
OUT
= 0.25V to 2.75V.
(3)
NTSC signal generator used. See Figure 6 for test circuit.
(4)
Output voltage swings are measured between the output and power supply rails.
(5)
See typical characteristic curve, Output Voltage Swing vs Output Current.