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| OPA1678 Datasheet, PDF (7/41 Pages) Texas Instruments – Low-Distortion Audio Operational Amplifiers | |||
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www.ti.com
6.6 Electrical Characteristics: VS = ±15 V
at TA = 25°C, RL = 2 kΩ, and VCM = VOUT = midsupply, unless otherwise noted
PARAMETER
TEST CONDITIONS
AUDIO PERFORMANCE
THD+N Total harmonic distortion + noise
G=1
RL = 600 Ω
f = 1 kHz
VO = 3 VRMS
SMPTE/DIN Two-Tone, 4:1
(60 Hz and 7 kHz)
IMD
Intermodulation distortion
G=1
VO = 3 VRMS
DIM 30 (3-kHz square wave
and 15-kHz sine wave)
CCIF Twin-Tone
(19 kHz and 20 kHz)
FREQUENCY RESPONSE
GBW
Gain-bandwidth product
SR
Slew rate
Full power bandwidth(1)
Overload recovery time
Channel separation (dual and quad)
NOISE
en
Input voltage noise
Input voltage noise density
In
Input current noise density
OFFSET VOLTAGE
VOS
Input offset voltage
PSRR
Power-supply rejection ratio
INPUT BIAS CURRENT
IB
Input bias current
IOS
Input offset current
INPUT VOLTAGE RANGE
VCM
CMRR
Common-mode voltage range
Common-mode rejection ratio
INPUT IMPEDANCE
Differential
Common-mode
OPEN-LOOP GAIN
AOL
OUTPUT
VOUT
IOUT
ZO
ISC
CLOAD
Open-loop voltage gain
Voltage output
Output current
Open-loop output impedance
Short-circuit current(3)
Capacitive load drive
G=1
G = â1
VO = 1 VP
G = â10
f = 1 kHz
f = 20 Hz to 20 kHz
f = 0.1 Hz to 10 Hz
f = 1 kHz
f = 1 kHz
VS = ±2.25 V to ±18 V
VS = ±2.25 V to ±18 V
TA = â40°C to +85°C(2)
VS = ±2.25 V to ±18 V
VCM = 0 V
VCM = 0 V
(Vâ) + 0.8 V ⤠VO ⤠(V+) â 0.8 V
RL = 2 kΩ
RL = 2 kΩ
f = 1 MHz
(1) Full-power bandwidth = SR / (2Ï Ã VP), where SR = slew rate.
(2) Specified by design and characterization
(3) One channel at a time
OPA1678, OPA1679
SBOS855 â FEBRUARY 2017
MIN
TYP
MAX UNIT
0.0001%
â120
dB
0.0001%
â120
dB
0.0001%
â120
dB
0.0001%
â120
dB
16
9
1.4
1
â130
MHz
V/µs
MHz
µs
dB
5.4
1.74
µVPP
4.5
nV/âHz
3
fA/âHz
±0.5
±2
mV
2
µV/°C
3
8 µV/V
±10
pA
±10
pA
(Vâ) + 0.5
100
(V+) â 2
V
110
dB
100 || 6
6000 || 2
MΩ || pF
GΩ || pF
106
114
dB
(Vâ) + 0.8
(V+) â 0.8
V
See Typical Characteristics curves
mA
See Typical Characteristics curves
Ω
50/â50
mA
100
pF
Copyright © 2017, Texas Instruments Incorporated
Product Folder Links: OPA1678 OPA1679
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