Datasheet

OPA1611
OPA1612
www.ti.com SBOS450B –JULY 2009–REVISED JULY 2011
ELECTRICAL CHARACTERISTICS: V
S
= ±2.25V to ±18V
At T
A
= +25°C and R
L
= 2kΩ, unless otherwise noted. V
CM
= V
OUT
= midsupply, unless otherwise noted.
Boldface limits apply over the specified temperature range, T
A
= –40°C to +85°C.
OPA1611AI, OPA1612AI
PARAMETER CONDITIONS MIN TYP MAX UNIT
AUDIO PERFORMANCE
0.000015 %
Total Harmonic Distortion +
THD+N G = +1, f = 1kHz, V
O
= 3V
RMS
Noise
–136 dB
Intermodulation Distortion IMD G = +1, V
O
= 3V
RMS
0.000015 %
SMPTE/DIN Two-Tone, 4:1 (60Hz and 7kHz)
–136 dB
0.000012 %
DIM 30 (3kHz square wave and 15kHz sine wave)
–138 dB
0.000008 %
CCIF Twin-Tone (19kHz and 20kHz)
–142 dB
FREQUENCY RESPONSE
Gain-Bandwidth Product GBW G = 100 80 MHz
G = 1 40 MHz
Slew Rate SR G = –1 27 V/μs
Full Power Bandwidth
(1)
V
O
= 1V
PP
4 MHz
Overload Recovery Time G = –10 500 ns
Channel Separation (Dual) f = 1kHz –130 dB
NOISE
Input Voltage Noise f = 20Hz to 20kHz 1.2 μV
PP
Input Voltage Noise Density
(2)
e
n
f = 10Hz 2 nV/√Hz
f = 100Hz 1.5 nV/√Hz
f = 1kHz 1.1 1.5 nV/√Hz
Input Current Noise Density I
n
f = 10Hz 3 pA/√Hz
f = 1kHz 1.7 pA/√Hz
OFFSET VOLTAGE
Input Offset Voltage V
OS
V
S
= ±15V ±100 ±500 μV
over Temperature
(2)
dV
OS
/dT 1 4 μV/°C
vs Power Supply PSRR V
S
= ±2.25V to ±18V 0.1 1 μV/V
INPUT BIAS CURRENT
Input Bias Current I
B
V
CM
= 0V ±60 ±250 nA
over Temperature
(2)
350 nA
Input Offset Current I
OS
V
CM
= 0V ±25 ±175 nA
INPUT VOLTAGE RANGE
Common-Mode Voltage
V
CM
(V–) + 2 (V+) – 2 V
Range
Common-Mode Rejection
CMRR (V–) + 2V ≤ V
CM
≤ (V+) – 2V 110 120 dB
Ratio
INPUT IMPEDANCE
Differential 20k || 8 Ω || pF
Common-Mode Ω || pF
10
9
|| 2
(1) Full-power bandwidth = SR/(2π × V
P
), where SR = slew rate.
(2) Specified by design and characterization.
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