JAJSQO6 august 2023 LOG200
ADVANCE INFORMATION
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
---|---|---|---|---|---|---|---|
LOG CONFORMITY ERROR | |||||||
Logarithmic conformity error (1) | II1 = 10 nA to 100 µA | TBD | 0.017 | dB | |||
TBD | ±0.2 | % | |||||
TA = 0°C to 85°C | TBD | 0.026 | dB | ||||
TBD | ±0.3 | % | |||||
II1 = 10 nA to 1 mA | 0.017 | 0.044 | dB | ||||
0.2 | ±0.5 | % | |||||
TA = 0°C to 85°C | TBD | 0.087 | dB | ||||
TBD | ±1 | % | |||||
II1 = 1 nA to 10 mA | 0.028 | 0.065 | dB | ||||
0.32 | ±0.75 | % | |||||
TA = 0°C to 85°C | TBD | 0.131 | dB | ||||
TBD | ±1.5 | % | |||||
TA = –40°C to +125°C | TBD | 0.265 | dB | ||||
TBD | ±3 | % | |||||
TRANSFER FUNCTION (GAIN) | |||||||
Initial scaling factor (2) | II1 = 100 pA to 10 mA | 252 | mV/decade | ||||
Scaling factor error | II1 = 1 nA to 100 µA | –0.7 | 0.7 | % | |||
TA = 0°C to 85°C | –0.9 | 0.9 | |||||
II1 = 100 pA to 10 mA | –1 | 1 | |||||
TA = 0°C to 85°C | –1.5 | 1.5 | |||||
TA = –40°C to +125°C | –3.2 | 3.2 | |||||
LOGARITHMIC AMPLIFIER INPUT | |||||||
VOS | Offset voltage | VI1 – VCM | II1 = 1 nA | 2 | mV | ||
II1 = 1 mA | 50 | ||||||
II1 = 1 mA, TA = –40°C to +125°C | TBD | ||||||
VI2 – VCM | II2 = 1 nA | 2 | |||||
II2 = 1 mA | 2 | ||||||
II1 = 1 mA, TA = –40°C to +125°C | TBD | ||||||
dVOS/dT | Offset voltage drift | VI1 – VCM | TBD | µV/°C | |||
VI2 – VCM | TBD | ||||||
VCM | Input common mode voltage | (VS–) + 2.3 | (VS+) – 2.0 | V | |||
CMRR | Common-mode rejection ratio (2) | (VS–) + 2.3 < VCM < (VS+) – 2.0, II1 = II2 = 1 µA | 60 | dB | |||
IBIAS ratio | II1 = 10 µA | 1.143 | A/A | ||||
II1 = 10 mA | 1.175 | ||||||
IBIAS voltage | II1 = 10 µA and 10 mA | (VS–) | (VS+) – 1.0 | V | |||
In | Input current noise | f = 1 kHz | II1 = II2 = 1 nA | TBD | pA/√Hz | ||
II1 = II2 = 1 µA | TBD | ||||||
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 = 1 µA | 0.1 | mV/V | |||
Voltage output swing | (VS–) + 0.3 | (VS+) – 0.3 | V | ||||
Short-circuit current | ±20 | mA | |||||
Capacitive load | 100 | pF | |||||
AUXILIARY OPERATIONAL AMPLIFIER | |||||||
Offset voltage | ±700 | µV | |||||
TA = –40°C to +125°C | ±1 | mV | |||||
Offset voltage drift | ±3 | µV/°C | |||||
Input bias current | ±3 | µA | |||||
TA = –40°C to +125°C | TBD | ||||||
Input offset current | ±100 | nA | |||||
TA = –40°C to +125°C | ±200 | ||||||
Input common mode voltage | (VS–) + 1.0 | (VS+) – 1.0 | V | ||||
Input voltage noise density | f = 0.1 Hz to 10 kHz | 57 | nVRMS | ||||
f = 1 kHz | 4 | nV/√Hz | |||||
Input current noise | f = 1 kHz | 1.2 | pA/√Hz | ||||
AOL | Open-loop voltage gain | (VS–) + 200 mV < VO < (VS+) – 200 mV, RL = 10 kΩ | 126 | dB | |||
TA = –40°C to +125°C | 120 | ||||||
(VS–) + 200 mV < VO < (VS+) – 200 mV, RL = 2 kΩ | 120 | ||||||
TA = –40°C to +125°C | 114 | ||||||
GBW | Gain-bandwidth product | 42 | MHz | ||||
SR | Slew rate | 2-V step, G = +1 | 22 | V/μs | |||
tS | Settling time | To 0.1%, 2-V step, G = +1 | 120 | ns | |||
To 0.01%, 2-V step, G = +1 | 140 | ||||||
CIN | Input capacitance | Differential | 1.9 | pF | |||
Common-mode | 0.7 | ||||||
ZO | Open-loop output impedance | f = 1 MHz | 6.3 | Ω | |||
NOISE | |||||||
Voltage noise (3) | f = 1 kHz, II2 = IREF | II1 = 1 nA | 2000 | nV/√Hz | |||
II1 = 10 nA | 600 | ||||||
II1 = 100 nA | 200 | ||||||
II1 = 1 µA | 120 | ||||||
FREQUENCY RESPONSE | |||||||
BW | –3-dB bandwidth (4) | I1 input | II2 = IREF, II1 = 100 pA | TBD | kHz | ||
II2 = IREF, II1 = 1 nA | 0.12 | MHz | |||||
II2 = IREF, II1 = 10 nA | 0.4 | ||||||
II2 = IREF, II1 = 100 nA | 1.8 | ||||||
II2 = IREF, II1 = 1 µA to 10 mA | 6 | ||||||
I2 input | II1 = IREF, II2 = 100 pA | TBD | kHz | ||||
II1 = IREF, II2 = 1 nA | TBD | MHz | |||||
II1 = IREF, II2 = 10 nA | TBD | ||||||
II1 = IREF, II2 = 100 nA | TBD | ||||||
II1 = IREF, II2 = 1 µA to 10 mA | TBD | ||||||
Step response, I1(4) | II2 = IREF, II1 = 100 pA to 1 nA | Rising | 14 | µs | |||
Falling | 34 | ||||||
II2 = IREF, II1 = 100 pA to 10 nA | Rising | 2 | |||||
Falling | 22 | ||||||
II2 = IREF, II1 = 10 nA to 100 nA | Rising | 0.22 | |||||
Falling | 0.63 | ||||||
II2 = IREF, II1 = 100 nA to 1 µA | Rising | 0.08 | |||||
Falling | 0.24 | ||||||
II2 = IREF, II1 = 100 µA to 1 mA | Rising | 0.03 | |||||
Falling | 0.08 | ||||||
VOLTAGE REFERENCE | |||||||
VREF165 | REF165 initial voltage | 1.646 | 1.65 | 1.654 | V | ||
REF165 initial accuracy | –0.2 | 0.2 | % | ||||
VREF25 | REF25 initial voltage | 2.495 | 2.5 | 2.505 | V | ||
REF25 initial accuracy | –0.2 | 0.2 | % | ||||
REFGND compliance voltage | (VS–) | (VS+) – 4.5 | V | ||||
Temperature coefficient | REF165 reference, REF25 reference | 20 | ppm/℃ | ||||
Output current | REF165 reference, REF25 reference | –2 | 5 | mA | |||
Load regulation | REF165 reference, –2 mA < IREF165 < 5 mA | TBD | µV/mA | ||||
REF25 reference, –2 mA < IREF25 < 5 mA | TBD | ||||||
Line regulation | 5 V < VS < 10 V | REF165 reference | TBD | µV/V | |||
REF25 reference | TBD | ||||||
Short-circuit current | TBD | mA | |||||
Noise | TBD | µVRMS | |||||
CURRENT REFERENCE | |||||||
IIREF | IREF initial current | 0.98 | 1 | 1.02 | µA | ||
IREF initial accuracy | –2 | 2 | % | ||||
Temperature coefficient | 100 | ppm/℃ | |||||
IREF compliance voltage | (VS–) | (VS+) – 1.0 | V | ||||
Output impedance | ΔVIREF / ΔIIREF | 1.2 | GΩ | ||||
POWER SUPPLY | |||||||
IQ | Quiescent current | IOUTA = IOUTB = 0 mA | 9.5 | TBD | mA | ||
TA = –40°C to +125°C | TBD |