Datasheet

ELECTRICAL CHARACTERISTICS: V
S
= +1.8V to +5.5V
OPA369
OPA2369
www.ti.com ............................................................................................................................................ SBOS414B – AUGUST 2007 – REVISED DECEMBER 2008
BOLDFACE limits apply over the specified temperature range, T
A
= – 40 ° C to +85 ° C.
At T
A
= +25 ° C, and R
L
= 100k Ω connected to V
S
/2, unless otherwise noted.
OPA369, OPA2369
PARAMETER CONDITIONS MIN TYP MAX UNIT
OFFSET VOLTAGE
Input Offset Voltage V
OS
250 750 µ V
over Temperature 1 mV
Drift dV
OS
/dT 0.4 1.75 µ V/ ° C
vs Power Supply PSRR V
S
= 1.8V to 5.5V 5 20 µ V/V
Channel Separation dc 140 dB
f = 1kHz 120 dB
INPUT VOLTAGE RANGE
Common-Mode Voltage Range V
CM
(V – ) (V+) V
Common-Mode Rejection Ratio CMRR (V – ) ≤ V
CM
≤ (V+) 100 114 dB
over Temperature (V – ) ≤ V
CM
≤ (V+) 90 dB
INPUT BIAS CURRENT
Input Bias Current I
B
10 50 pA
over Temperature See Figure 16 pA
Input Offset Current I
OS
10 50 pA
INPUT IMPEDANCE
Differential
Ω || pF
10
13
|| 3
Common-Mode
Ω || pF
10
13
|| 6
NOISE
Input Voltage Noise f = 0.1Hz to 10Hz 3.6 µ V
PP
Input Voltage Noise Density f = 100Hz 220 nV/ √ Hz
f = 1kHz 290 nV/ √ Hz
Current Noise Density f = 1kHz 1 fA/ √ Hz
OPEN-LOOP GAIN
Open-Loop Voltage Gain A
OL
100mV ≤ V
O
≤ (V+) – 100mV,
114 134 dB
R
L
= 100k Ω
Over Temperature 100mV ≤ V
O
≤ (V+) – 100mV,
100 dB
R
L
= 100k Ω
500mV ≤ V
O
≤ (V+) – 500mV,
114 134 dB
R
L
= 10k Ω
Over Temperature 500mV ≤ V
O
≤ (V+) – 500mV,
90 d B
R
L
= 10k Ω
OUTPUT
Voltage Output Swing from Rail R
L
= 100k Ω 10 mV
R
L
= 10k Ω 25 mV
Short-Circuit Current I
SC
10 mA
Capacitive Load Drive C
LOAD
See Figure 20 pF
FREQUENCY RESPONSE
Gain-Bandwidth Product GBW 12 kHz
Slew Rate SR G = +1 0.005 V/ µ s
Overload Recovery Time V
IN
× Gain > V
S
250 µ s
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