OPA835_16 Datasheet, PDF (10/57 Pages) Texas Instruments – Ultralow-Power, Rail-to-Rail Out, Negative Rail In, VFB Op Amp

OPA835, OPA2835
SLOS713H – JANUARY 2011 – REVISED NOVEMBER 2015
www.ti.com
Electrical Characteristics: V_S = 5 V (continued)
Test conditions unless otherwise noted: V_S+ = +5 V, V_S– = 0 V, V_OUT = 2 V_PP, R_F = 0 Ω, R_L = 2 kΩ, G = 1 V/V, input and output
referenced to mid-supply. T_A = 25°C, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
TEST
LEVEL ⁽¹⁾
AC PERFORMANCE (continued)
f = 10 kHz
–139
Third-order harmonic distortion
f = 100 kHz
–122
dBc
C
f = 1 MHz
-73
Second-order intermodulation
distortion
Third-order intermodulation distortion
f = 1 MHz, 200-kHz Tone Spacing,
V_OUT Envelope = 2 V_PP
f = 1 MHz, 200-kHz Tone Spacing,
V_OUT Envelope = 2 V_PP
Signal-to-noise ratio, SNR
f = 1 kHz, V_OUT = 1 V_RMS, 22-kHz bandwidth
–70
–83
0.00015%
–116.4
dBc
C
dBc
C
C
dBc
Total harmonic distortion, THD
f = 1 kHz, V_OUT = 1 V_RMS
0.00003%
–130
C
dBc
C
Input voltage noise
f = 100 kHz
9.3
nV/√Hz
C
Voltage noise 1/f corner frequency
147
Hz
C
Input current noise
f = 1 MHz
0.45
pA/√Hz
C
Current noise 1/f corner frequency
14.7
Hz
C
Overdrive recovery time, over/under Overdrive = 0.5 V
195/135
ns
C
Closed-loop output impedance
f = 100 kHz
0.028
Ω
C
Channel to channel crosstalk
(OPA2835)
f = 10 kHz
–120
dB
C
DC PERFORMANCE
Open-loop voltage gain (A_OL)
Input referred offset voltage
Input offset voltage drift⁽²⁾
Input bias current⁽³⁾
Input bias current drift⁽²⁾
Input offset current
Input offset current drift⁽²⁾
T_A = 25°C
T_A = 0°C to 70°C
T_A = –40°C to 85°C
T_A = –40°C to 125°C
T_A = 0°C to 70°C
T_A = –40°C to 85°C
T_A = –40°C to 125°C
T_A = 25°C
T_A = 0°C to 70°C
T_A = –40°C to 85°C
T_A = –40°C to 125°C
T_A = 0°C to 70°C
T_A = –40°C to 85°C
T_A = –40°C to 125°C
T_A = 25°C
T_A = 0°C to 70°C
T_A = –40°C to 85°C
T_A = –40°C to 125°C
T_A = 0°C to 70°C
T_A = –40°C to 85°C
T_A = –40°C to 125°C
100
120
dB
A
–500
±100
500
A
–880
–1040
880
µV
1040
B
–1850
1850
–8.5
±1.4
8.5
–9
±1.5
9
µV/°C
B
–13.5
±2.25
13.5
50
200
400
A
47
410
nA
45
425
B
45
530
–1.4
±0.25
1.4
–1.05 ±0.175
1.05
nA/°C
B
–1.1 ±0.185
1.1
–100
±13
100
A
–100
±13
100
nA
–100
±13
100
B
–100
±13
100
–1.23 ±0.205
1.23
–0.94 ±0.155
0.94
nA/°C
B
–0.94 ±0.155
0.94
(2) Input Offset Voltage Drift, Input Bias Current Drift, and Input Offset Current Drift are average values calculated by taking data at the end
points, computing the difference, and dividing by the temperature range.
(3) Current is considered positive out of the pin.
10
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