OPA1611
OPA1612
www.ti.com........................................................................................................................................................ SBOS450A –JULY 2009–REVISED AUGUST 2009
ELECTRICAL CHARACTERISTICS: VS = ±2.25V to ±18V
At TA = +25°C and RL = 2kΩ, unless otherwise noted. VCM = VOUT = midsupply, unless otherwise noted.
Boldface limits apply over the specified temperature range, TA = –40°C to +85°C.
OPA1611AI, OPA1612AI
PARAMETER
AUDIO PERFORMANCE
CONDITIONS
MIN
TYP
MAX
UNIT
0.000015
–136
%
Total Harmonic Distortion +
Noise
THD+N
IMD
G = +1, f = 1kHz, VO = 3VRMS
G = +1, VO = 3VRMS
dB
Intermodulation Distortion
0.000015
–136
%
dB
%
SMPTE/DIN Two-Tone, 4:1 (60Hz and 7kHz)
0.000012
–138
DIM 30 (3kHz square wave and 15kHz sine wave)
CCIF Twin-Tone (19kHz and 20kHz)
dB
%
0.000008
–142
dB
FREQUENCY RESPONSE
Gain-Bandwidth Product
GBW
SR
G = 100
G = 1
80
40
MHz
MHz
V/μs
MHz
ns
Slew Rate
G = –1
27
Full Power Bandwidth(1)
Overload Recovery Time
Channel Separation (Dual)
NOISE
VO = 1VPP
G = –10
f = 1kHz
4
500
–130
dB
Input Voltage Noise
Input Voltage Noise Density
f = 20Hz to 20kHz
f = 10Hz
1.2
2
μVPP
en
nV/√Hz
nV/√Hz
nV/√Hz
pA/√Hz
pA/√Hz
f = 100Hz
f = 1kHz
1.5
1.1
3
Input Current Noise Density
In
f = 10Hz
f = 1kHz
1.7
OFFSET VOLTAGE
Input Offset Voltage
over Temperature(2)
vs Power Supply
VOS
dVOS/dT
PSRR
VS = ±15V
VS = ±2.25V to ±18V
VCM = 0V
±100
1
±500
μV
4
μV/°C
μV/V
0.1
1
INPUT BIAS CURRENT
Input Bias Current
over Temperature(2)
Input Offset Current
INPUT VOLTAGE RANGE
IB
±60
±25
±250
350
nA
nA
nA
IOS
VCM = 0V
±175
Common-Mode Voltage
Range
VCM
(V–) + 2
110
(V+) – 2
V
Common-Mode Rejection
Ratio
CMRR
(V–) + 2V ≤ VCM ≤ (V+) – 2V
120
dB
INPUT IMPEDANCE
Differential
20k || 8
109 || 2
Ω || pF
Ω || pF
Common-Mode
(1) Full-power bandwidth = SR/(2π × VPP), where SR = slew rate.
(2) Specified by design and characterization.
Copyright © 2009, Texas Instruments Incorporated
3
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