JAJSQO6A August 2023 – December 2024 LOG200
PRODMIX
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PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
---|---|---|---|---|---|---|---|
LOG CONFORMITY ERROR | |||||||
Logarithmic conformity error | II1 = 10nA to 100µA | 0.004 | 0.017 | dB | |||
0.05 | ±0.2 | % | |||||
TA = 0°C to 85°C | 0.004 | 0.026 | dB | ||||
0.05 | ±0.3 | % | |||||
II1 = 10nA to 1mA | 0.007 | 0.044 | dB | ||||
0.08 | ±0.5 | % | |||||
TA = 0°C to 85°C | 0.007 | 0.087 | dB | ||||
0.08 | ±1 | % | |||||
II1 = 1nA to 10mA | 0.022 | 0.065 | dB | ||||
0.25 | ±0.75 | % | |||||
TA = 0°C to 85°C | 0.022 | 0.131 | dB | ||||
0.25 | ±1.5 | % | |||||
TA = –40°C to +125°C, VS = 5V (1) |
0.030 | 0.265 | dB | ||||
0.35 | ±3 | % | |||||
TA = –40°C to +125°C, VS = 10V (1) |
0.044 | 0.265 | dB | ||||
0.5 | ±3 | % | |||||
TRANSFER FUNCTION (GAIN) | |||||||
Initial scaling factor | II1 = 100pA to 10mA | 250 | mV/decade | ||||
Scaling factor error | II1 = 1nA to 100µA | –1 | 0.15 | 1 | % | ||
TA = 0°C to 85°C | –1.1 | 1.1 | |||||
II1 = 100pA to 10mA | 0.4 | ||||||
TA = 0°C to 85°C, VS = 5V | 0.5 | ||||||
TA = 0°C to 85°C, VS = 10V | 0.7 | ||||||
TA = –40°C to +125°C, VS = 5V (1) |
3.8 | ||||||
TA = –40°C to +125°C, VS = 10V (1) |
6.3 | ||||||
LOGARITHMIC AMPLIFIER INPUT | |||||||
VOS | Offset voltage | VI1 – VCM | II1 = 10nA, VS = 5V | –3 | –0.84 | 3 | mV |
II1 = 10nA, VS = 10V | –4 | –1.6 | 2 | ||||
II1 = 100µA | 32 | 50 | |||||
II1 = 100µA, TA = –40°C to +125°C |
42 | ||||||
VI2 – VCM | II2 = 10nA, VS = 5V | –3 | –0.89 | 3 | |||
II2 = 10nA, VS = 10V | –4 | –1.4 | 2 | ||||
II2 = 100µA, VS = 5V | –0.66 | 3 | |||||
II2 = 100µA, VS = 10V | –1.2 | 2 | |||||
II2 = 100µA, TA = –40°C to +125°C |
–1.5 | ||||||
dVOS/dT | Offset voltage drift | VI1 – VCM | 22 | µV/°C | |||
VI2 – VCM | –7 | ||||||
VCM | Input common mode voltage | (VS–) + 2.3 | (VS+) – 2.0 | V | |||
IBIAS ratio | VIBIAS = (VS+) – 1.0V, VS = 5V |
II1 = 100µA | 1.069 | 1.127 | 1.185 | A/A | |
II1 = 10mA | 1.094 | 1.128 | 1.161 | ||||
VIBIAS = (VS+) – 1.0V, VS = 10V |
II1 = 100µA | 1.069 | 1.127 | 1.184 | |||
II1 = 10mA | 1.128 | 1.162 | 1.195 | ||||
LOGARITHMIC AMPLIFIER OUTPUT | |||||||
VOSO | Output offset voltage | 1.3 | ±7.5 | mV | |||
TA = –40°C to +125°C | 2.5 | ±10 | mV | ||||
PSRR | Power supply rejection ratio | II1 = II2 = 1µA | ±0.1 | mV/V | |||
CMRR | Common-mode rejection ratio (2) | (VS–) + 2.3V < VCM < (VS+) – 2.0V, II1 = II2 = 1µA | 60 | dB | |||
Voltage output swing | (VS–) + 0.3 | (VS+) – 0.3 | V | ||||
Short-circuit current | ±20 | mA | |||||
Capacitive load | 100 | pF | |||||
AUXILIARY OPERATIONAL AMPLIFIER | |||||||
Offset voltage | 46 | ±700 | µV | ||||
TA = –40°C to +125°C | 0.07 | ±1 | mV | ||||
Offset voltage drift | 0.53 | ±3 | µV/°C | ||||
Input bias current | –0.84 | ±3 | µA | ||||
TA = –40°C to +125°C | –1.2 | ||||||
Input offset current | 18 | ±100 | nA | ||||
TA = –40°C to +125°C | 45 | ±300 | |||||
Input common mode voltage | (VS–) + 1.0 | (VS+) – 1.0 | V | ||||
Input voltage noise density | f = 0.1Hz to 10kHz | 50 | nVRMS | ||||
f = 1kHz | 4.1 | nV/√Hz | |||||
Input current noise | f = 1kHz | 1.2 | pA/√Hz | ||||
AOL | Open-loop voltage gain | (VS–) + 200mV < VO < (VS+) – 200mV, RL = 10kΩ | 126 | 150 | dB | ||
TA = –40°C to +125°C | 126 | ||||||
(VS–) + 200mV < VO < (VS+) – 200mV, RL = 2kΩ | 124 | 140 | |||||
TA = –40°C to +125°C | 124 | ||||||
PSRR | Power supply rejection ratio | –1 | µV/V | ||||
CMRR | Common-mode rejection ratio | (VS–) + 1.0 < VCM < (VS+) – 1.0 | 130 | dB | |||
GBW | Gain-bandwidth product | CL = 28pF | 60 | MHz | |||
Unity-gain bandwidth | 42 | MHz | |||||
SR | Slew rate | 2V step, G = 1 | 22 | V/μs | |||
tS | Settling time | To 0.1%, 2V step, G = 1 | Rising | 110 | ns | ||
Falling | 400 | ||||||
To 0.01%, 2V step, G = 1 | Rising | 550 | |||||
Falling | 1100 | ||||||
CIN | Input capacitance | Differential | 2.6 | pF | |||
Common-mode | 0.7 | ||||||
ZO | Open-loop output impedance | f = 1MHz | 7.5 | Ω | |||
CURRENT REFERENCE | |||||||
IIREF | IREF initial current | 0.98 | 1 | 1.02 | µA | ||
IREF initial accuracy | –2 | 0.3 | 2 | % | |||
Temperature coefficient | 35 | ppm/℃ | |||||
VIREF | IREF compliance voltage | (VS–) | (VS+) – 1.0 | V | |||
Output impedance | ΔVIREF / ΔIIREF | 3 | GΩ | ||||
VOLTAGE REFERENCE | |||||||
VREF165 | REF165 initial voltage | 1.645 | 1.65 | 1.655 | V | ||
REF165 initial accuracy | –0.3 | 0.06 | 0.3 | % | |||
VREF25 | REF25 initial voltage | 2.494 | 2.5 | 2.506 | V | ||
REF25 initial accuracy | –0.24 | 0.05 | 0.24 | % | |||
Temperature coefficient | REF165 reference, REF25 reference | 20 | ppm/℃ | ||||
Load regulation | REF165 reference, –2mA < IREF165 < 5mA | –360 | µV/mA | ||||
REF25 reference, –2mA < IREF25 < 5mA | –475 | ||||||
Line regulation | 5V < VS < 10V | REF165 reference | 16 | µV/V | |||
REF25 reference | 30 | ||||||
Short-circuit current | –14 | mA | |||||
Noise | 4.2 | µVRMS | |||||
NOISE | |||||||
Voltage noise (2) (3) | f = 1kHz, II2 = IREF | II1 = 1nA | 2000 | nV/√Hz | |||
II1 = 10nA | 650 | ||||||
II1 = 100nA | 210 | ||||||
II1 = 1µA | 110 | ||||||
FREQUENCY RESPONSE | |||||||
BW | –3dB bandwidth (4) (3) | I1 input | II2 = IREF, II1 = 100pA | 12 | kHz | ||
II2 = IREF, II1 = 1nA | 90 | ||||||
II2 = IREF, II1 = 10nA | 0.5 | MHz | |||||
II2 = IREF, II1 = 100nA | 2.3 | ||||||
II2 = IREF, II1 = 1µA | 6.3 | ||||||
II2 = IREF, II1 = 10µA to 10mA | 20 | ||||||
I2 input | II1 = IREF, II2 = 100pA | 0.05 | kHz | ||||
II1 = IREF, II2 = 1nA | 0.5 | ||||||
II1 = IREF, II2 = 10nA | 5.2 | ||||||
II1 = IREF, II2 = 100nA | 55 | ||||||
II1 = IREF, II2 = 1µA | 0.55 | MHz | |||||
II1 = IREF, II2 = 10µA to 10mA | 6 | MHz | |||||
Step response, I1 (5) (3) | II2 = IREF, II1 = 100pA to 1nA |
Rising | 9 | µs | |||
Falling | 30 | ||||||
II2 = IREF, II1 = 1nA to 10nA |
Rising | 1.2 | |||||
Falling | 5 | ||||||
II2 = IREF, II1 = 10nA to 100nA |
Rising | 0.24 | |||||
Falling | 0.62 | ||||||
II2 = IREF, II1 = 100nA to 1µA |
Rising | 0.06 | |||||
Falling | 0.15 | ||||||
II2 = IREF, II1 = 100µA to 1mA |
Rising | 0.02 | |||||
Falling | 0.03 | ||||||
POWER SUPPLY | |||||||
IQ | Quiescent current | IOUTA = IOUTB = 0mA | 9.5 | 10 | mA | ||
TA = –40°C to +125°C | 13 |