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