OPA1611 Datasheet, PDF (3/21 Pages) Texas Instruments – High-Performance Bipolar-Input AUDIO OPERATIONAL AMPLIFIERS

OPA1611
OPA1612
www.ti.com........................................................................................................................................................ SBOS450A – JULY 2009 – REVISED AUGUST 2009
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
AUDIO PERFORMANCE
Total Harmonic Distortion +
Noise
THD+N
G = +1, f = 1kHz, V_O = 3V_RMS
0.000015
–136
Intermodulation Distortion
IMD
G = +1, V_O = 3V_RMS
SMPTE/DIN Two-Tone, 4:1 (60Hz and 7kHz)
0.000015
–136
DIM 30 (3kHz square wave and 15kHz sine wave)
0.000012
–138
CCIF Twin-Tone (19kHz and 20kHz)
0.000008
–142
FREQUENCY RESPONSE
Gain-Bandwidth Product
GBW
G = 100
80
G=1
40
Slew Rate
SR
G = –1
27
Full Power Bandwidth⁽¹⁾
V_O = 1V_PP
4
Overload Recovery Time
G = –10
500
Channel Separation (Dual)
f = 1kHz
–130
NOISE
Input Voltage Noise
f = 20Hz to 20kHz
1.2
Input Voltage Noise Density
e_n
f = 10Hz
2
f = 100Hz
1.5
f = 1kHz
1.1
Input Current Noise Density
I_n
f = 10Hz
3
f = 1kHz
1.7
OFFSET VOLTAGE
Input Offset Voltage
over Temperature⁽²⁾
vs Power Supply
INPUT BIAS CURRENT
V_OS
dV_OS/dT
PSRR
V_S = ±15V
V_S = ±2.25V to ±18V
±100
1
0.1
±500
4
1
Input Bias Current
I_B
over Temperature⁽²⁾
V_CM = 0V
±60
±250
350
Input Offset Current
I_OS
INPUT VOLTAGE RANGE
V_CM = 0V
±25
±175
Common-Mode Voltage
Range
V_CM
(V–) + 2
(V+) – 2
Common-Mode Rejection
Ratio
CMRR
(V–) + 2V ≤ V_CM ≤ (V+) – 2V
110
120
INPUT IMPEDANCE
Differential
20k || 8
Common-Mode
10⁹ || 2
(1) Full-power bandwidth = SR/(2π × V_PP), where SR = slew rate.
(2) Specified by design and characterization.
UNIT
%
dB
%
dB
%
dB
%
dB
MHz
MHz
V/μs
MHz
ns
dB
μV_PP
nV/√Hz
nV/√Hz
nV/√Hz
pA/√Hz
pA/√Hz
μV
μV/°C
μV/V
nA
nA
nA
V
dB
Ω || pF
Ω || pF
Copyright © 2009, Texas Instruments Incorporated
3
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