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OPA1622 Datasheet, PDF (5/36 Pages) Texas Instruments – OPA1622 SoundPlus™ High-Fidelity, Bipolar-Input, Audio Operational Amplifier
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OPA1622
SBOS727A – NOVEMBER 2015 – REVISED NOVEMBER 2015
6.5 Electrical Characteristics:
at TA = +25°C, VS = ±2 V to ±18 V, VCM = VOUT = midsupply, and RL = 1 kΩ (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
AUDIO PERFORMANCE
G = 1, f = 1 kHz, VOUT = 3.5 VRMS, RL = 2 kΩ,
80-kHz measurement bandwidth
0.000024%
–132
G = 1, f = 1 kHz, VOUT = 3.5 VRMS, RL = 600 Ω,
80-kHz measurement bandwidth
0.000025%
–132
THD+N
Total harmonic distortion +
noise
G = 1, f = 1 kHz, POUT = 10 mW, RL = 128 Ω,
80-kHz measurement bandwidth
0.000071%
–123
G = 1, f = 1 kHz, POUT = 10 mW, RL = 32 Ω,
80-kHz measurement bandwidth
0.000149%
–116
G = 1, f = 1 kHz, POUT = 10 mW, RL = 16 Ω,
80-kHz measurement bandwidth
0.000214%
–113
IMD
Intermodulation distortion
SMPTE/DIN two-tone, 4:1 (60 Hz and 7 kHz),
G = 1, VO = 3 VRMS, RL = 2 kΩ, 90-kHz measurement
bandwidth
CCIF twin-tone (19 kHz and 20 kHz), G = 1,
VO = 3 VRMS, RL = 2 kΩ, 90-kHz measurement bandwidth
0.000018%
–135
0.00005%
–126
FREQUENCY RESPONSE
G = 1000
32
GBW
Gain-bandwidth product
G=1
8
SR
Slew rate
G = –1
10
Full-power bandwidth(1)
VO = 1 VP
1.6
Overload recovery time
G = –10
300
Channel separation (dual)
f = 1 kHz
140
NOISE
Input voltage noise
f = 20 Hz to 20 kHz
2.1
f = 10 Hz
10
en
Input voltage noise density(2) f = 100 Hz
4
f = 1 kHz
2.8
f = 10 Hz
2.5
In
Input current noise density
f = 1 kHz
0.8
OFFSET VOLTAGE
VOS
Input offset voltage
dVOS/dT Input offset voltage drift(2)
PSRR Power-supply rejection ratio
TA = –40°C to +125°C
TA = –40°C to +125°C
±100
0.5
0.1
INPUT BIAS CURRENT
1.2
IB
Input bias current
TA = –40°C to +125°C(2)
±10
IOS
Input offset current
TA = –40°C to +125°C(2)
INPUT VOLTAGE RANGE
VCM
Common-mode voltage range
(V–) + 1.5
CMRR Common-mode rejection ratio (V–) + 1.5 V ≤ VCM ≤ (V+) – 1 V, TA = –40°C to +125°C
110
127
(1) Full-power bandwidth = SR / (2π × VP), where SR = slew rate.
(2) Specified by design and characterization.
MAX UNIT
dB
dB
dB
dB
dB
dB
dB
MHz
V/μs
MHz
ns
dB
μVPP
nV/√Hz
pA/√Hz
±500
±600
2.5
3
μV
μV/°C
μV/V
2.0
μA
2.2
±50
nA
±80
(V+) – 1
V
dB
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