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OPA1662_15 Datasheet, PDF (3/32 Pages) Texas Instruments – Low Noise and Distortion, General-Purpose, FET-Input AUDIO OPERATIONAL AMPLIFIERS
OPA1662
OPA1664
www.ti.com
SBOS489 – DECEMBER 2011
ELECTRICAL CHARACTERISTICS: VS = ±15 V
At TA = +25°C and RL = 2 kΩ, unless otherwise noted. VCM = VOUT = midsupply, unless otherwise noted.
OPA1662, OPA1664
PARAMETER
CONDITIONS
MIN
TYP
MAX
AUDIO PERFORMANCE
THD+N Total harmonic distortion + noise
G = +1, f = 1 kHz, VO = 3 VRMS
0.00006
–124
SMPTE/DIN two-tone, 4:1
(60 Hz and 7 kHz)
0.00004
–128
IMD Intermodulation distortion
G = +1,
VO = 3 VRMS
DIM 30
(3-kHz square wave and
15-kHz sine wave)
0.00004
–128
CCIF twin-tone
(19 kHz and 20 kHz)
0.00004
–128
FREQUENCY RESPONSE
GBW Gain-bandwidth product
G = +1
22
SR
Slew rate
G = –1
17
Full power bandwidth(1)
VO = 1 VP
2.7
Overload recovery time
G = –10
1
Channel separation (dual and quad) f = 1 kHz
–120
NOISE
en
Input voltage noise
f = 20 Hz to 20 kHz
2.8
f = 1 kHz
3.3
Input voltage noise density
f = 100 Hz
5
f = 1 kHz
1
In
Input current noise density
f = 100 Hz
2
OFFSET VOLTAGE
VOS
Input offset voltage
PSRR Power-supply rejection ratio
INPUT BIAS CURRENT
VS = ±1.5 V to ±18 V
VS = ±1.5 V to ±18 V, TA = –40°C to +85°(2)
VS = ±1.5 V to ±18 V
±0.5
±1.5
2
8
1
3
IB
Input bias current
IOS
Input offset current
INPUT VOLTAGE RANGE
VCM = 0 V
VCM = 0 V
600
1200
±25
±100
VCM
Common-mode voltage range
CMRR Common-mode rejection ratio
(V–) +0.5
106
(V+) – 1
114
INPUT IMPEDANCE
Differential
170 || 2
Common-mode
600 || 2.5
OPEN-LOOP GAIN
AOL
Open-loop voltage gain
OUTPUT
(V–) + 0.6 V ≤ VO ≤ (V+) – 0.6 V, RL = 2 kΩ
106
114
VOUT
IOUT
ZO
ISC
CLOAD
Output voltage
Output current
Open-loop output impedance
Short-circuit current(3)
Capacitive load drive
RL = 2 kΩ
(V–) + 0.6
(V+) – 0.6
See Typical Characteristics
See Typical Characteristics
±50
200
(1) Full-power bandwidth = SR/(2π × VP), where SR = slew rate.
(2) Specified by design and characterization.
(3) One channel at a time.
UNIT
%
dB
%
dB
%
dB
%
dB
MHz
V/μs
MHz
μs
dB
μVPP
nV/√Hz
nV/√Hz
pA/√Hz
pA/√Hz
mV
μV/°C
μV/V
nA
nA
V
dB
kΩ || pF
MΩ || pF
dB
V
mA
Ω
mA
pF
Copyright © 2011, Texas Instruments Incorporated
3
Product Folder Link(s): OPA1662 OPA1664