Datasheet

OPA1662
OPA1664
www.ti.com SBOS489 –DECEMBER 2011
ELECTRICAL CHARACTERISTICS: V
S
= ±15 V
At T
A
= +25°C and R
L
= 2 kΩ, unless otherwise noted. V
CM
= V
OUT
= midsupply, unless otherwise noted.
OPA1662, OPA1664
PARAMETER CONDITIONS MIN TYP MAX UNIT
AUDIO PERFORMANCE
0.00006 %
THD+N Total harmonic distortion + noise G = +1, f = 1 kHz, V
O
= 3 V
RMS
–124 dB
0.00004 %
SMPTE/DIN two-tone, 4:1
(60 Hz and 7 kHz)
–128 dB
DIM 30 0.00004 %
G = +1,
IMD Intermodulation distortion (3-kHz square wave and
V
O
= 3 V
RMS
–128 dB
15-kHz sine wave)
0.00004 %
CCIF twin-tone
(19 kHz and 20 kHz)
–128 dB
FREQUENCY RESPONSE
GBW Gain-bandwidth product G = +1 22 MHz
SR Slew rate G = –1 17 V/μs
Full power bandwidth
(1)
V
O
= 1 V
P
2.7 MHz
Overload recovery time G = –10 1 μs
Channel separation (dual and quad) f = 1 kHz –120 dB
NOISE
e
n
Input voltage noise f = 20 Hz to 20 kHz 2.8 μV
PP
f = 1 kHz 3.3 nV/√Hz
Input voltage noise density
f = 100 Hz 5 nV/√Hz
f = 1 kHz 1 pA/√Hz
I
n
Input current noise density
f = 100 Hz 2 pA/√Hz
OFFSET VOLTAGE
V
S
= ±1.5 V to ±18 V ±0.5 ±1.5 mV
V
OS
Input offset voltage
V
S
= ±1.5 V to ±18 V, T
A
= –40°C to +85°
(2)
2 8 μV/°C
PSRR Power-supply rejection ratio V
S
= ±1.5 V to ±18 V 1 3 μV/V
INPUT BIAS CURRENT
I
B
Input bias current V
CM
= 0 V 600 1200 nA
I
OS
Input offset current V
CM
= 0 V ±25 ±100 nA
INPUT VOLTAGE RANGE
V
CM
Common-mode voltage range (V–) +0.5 (V+) – 1 V
CMRR Common-mode rejection ratio 106 114 dB
INPUT IMPEDANCE
Differential 170 || 2 kΩ || pF
Common-mode 600 || 2.5 MΩ || pF
OPEN-LOOP GAIN
A
OL
Open-loop voltage gain (V–) + 0.6 V ≤ V
O
≤ (V+) – 0.6 V, R
L
= 2 kΩ 106 114 dB
OUTPUT
V
OUT
Output voltage R
L
= 2 kΩ (V–) + 0.6 (V+) – 0.6 V
I
OUT
Output current See Typical Characteristics mA
Z
O
Open-loop output impedance See Typical Characteristics Ω
I
SC
Short-circuit current
(3)
±50 mA
C
LOAD
Capacitive load drive 200 pF
(1) Full-power bandwidth = SR/(2π × V
P
), 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