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MAX4206ETE+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
MAX4206
Precision Transimpedance Logarithmic
Amplifier with Over 5 Decades of Dynamic Range
4 _______________________________________________________________________________________
DC ELECTRICAL CHARACTERISTICS—Dual-Supply Operation (continued)
(V
CC
= +5V, V
EE
= -5V, GND = 0, I
REF
= 1µA, I
LOG
= 10µA, LOGV2 = SCALE, LOGV1 = OSADJ, CMVIN = CMVOUT, R
SET
> 1MΩ,
T
A
= -40°C to +85°C. Typical values are at T
A
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Common-Mode Voltage Input
Range
V
CMVIN
0.5 1.0 V
T
A
= +25°C ±2 ±5
Log Conformity Error V
LC
I
REF
= 10nA,
I
LOG
= 10nA to 1mA,
K = 0.25V/decade
(Note 4)
T
A
= -40°C to +85°C ±10
mV
T
A
= +25°C
237.5 250 262.5
Logarithmic Slope (Scale Factor)
K
T
A
= -40°C to +85°C
231.25 268.75
mV/
decade
Logarithmic Slope (Scale Factor)
Temperature Drift
T
A
= -40°C to +85°C 80
µV/
decade/
°C
Input Offset Voltage V
IO
T
A
= +25°C, |V
CMVIN
- V
REFIIN
|,
|V
CMVIN
- V
LOGIIN
|
15mV
Input Offset Voltage
Temperature Drift
V
IOS
|V
CMVIN
- V
REFIIN
|, |V
CMVIN
- V
LOGIIN
|6
µV/°C
T
A
= +25°C
1.218 1.238 1.258
Voltage Reference Output
V
REFVOUT
T
A
= -40°C to +85°C (Note 4)
1.195 1.275
V
Voltage Reference Output
Current
I
REFVOUT
1mA
T
A
= +25°C
490 500 510
Current Reference Output
Voltage
V
REFISET
T
A
= -40°C to +85°C (Note 4)
482 518
mV
LOGV2 BUFFER
T
A
= +25°C 0.4 2
Input Offset Voltage V
IO
T
A
= -40°C to +85°C (Note 4) 6
mV
Input Bias Current I
B
(Note 4)
0.01
1nA
V
OH
R
L
to GND = 2kΩ
V
CC
-
0.2
V
CC
-
0.3
Output Voltage Range
V
OL
R
L
to GND = 2kΩ
V
EE
+
0.2
V
EE
+
0.08
V
I
OUT+
Sourcing 34
Output Short-Circuit Current
I
OUT-
Sinking 58
mA
Slew Rate SR 12 V/µs
Unity-Gain Bandwidth GBW 5 MHz
MAX4206
Precision Transimpedance Logarithmic
Amplifier with Over 5 Decades of Dynamic Range
_______________________________________________________________________________________ 5
AC ELECTRICAL CHARACTERISTICS—Dual-Supply Operation
(V
CC
= +5V, V
EE
= -5V, GND = 0, I
REF
= 1µA, I
LOG
= 10µA, LOGV2 = SCALE, LOGV1 = OSADJ, CMVIN = CMVOUT, R
SET
> 1MΩ,
T
A
= +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LOGV2 Total Noise
0.1Hz to 10Hz, total output-referred noise,
I
REF
= 10nA, I
LOG
= 100nA
17
µV
RMS
LOGV2 Spot Noise Density f = 5kHz, I
REF
= 10nA, I
LOG
= 100nA 0.8
µV/√Hz
REFVOUT Total Noise 1Hz to 10Hz, total output-referred noise 3.3
µV
RMS
REFVOUT Spot Noise Density f = 5kHz
266
nV/√Hz
REFISET Total Noise 1Hz to 10Hz, total output-referred noise
0.67
µV
RMS
REFISET Spot Noise Density f = 5kHz 23
nV/√Hz
Small-Signal Unity-Gain
Bandwidth
I
REF
= 1µA, I
LOG
= 10µA, R
COMP
= 300Ω,
C
COMP
= 32pF
1
MHz
Note 1: All devices are 100% production tested at T
A
= +25°C. All temperature limits are guaranteed by design.
Note 2: Guaranteed and functionally verified.
Note 3: Log conformity error less than ±5mV with scale factor = 0.25V/decade.
Note 4: Guaranteed by design.
Typical Operating Characteristics
(V
CC
= +5V, V
EE
= GND = 0V, I
REF
= 1µA, I
LOG
= 10µA, LOGV2 = SCALE, LOGV1 = OSADJ, CMVIN = CMVOUT, R
SET
> 1MΩ,
T
A
= +25°C, unless otherwise noted.)
V
LOGV1
vs. I
LOG
MAX4206 toc01
I
LOG
(A)
V
LOGV1
(V)
1m100
µ
100n 1
µ
10
µ
0
0.25
0.50
0.75
1.00
1.25
1.50
1.75
-0.25
10n 10m
I
REF
= 10nA
T
A
= -40
°
C TO +85
°
C
V
CC
= +5V
V
EE
= GND
1m100
µ
10n 100n 1
µ
10
µ
1n 10m
V
LOGV1
vs. I
LOG
(I
REF
= 10nA)
MAX4206 toc02
I
LOG
(A)
V
LOGV1
(V)
0
0.25
0.50
0.75
1.00
1.25
1.50
1.75
-0.25
I
REF
= 10nA
T
A
= -40
°
C TO +85
°
C
V
CC
= +5V
V
EE
= -5V
1m100
µ
10n 100n 1
µ
10
µ
10m
V
LOGV1
vs. I
LOG
MAX4206 toc03
I
LOG
(A)
V
LOGV1
(V)
0
0.25
0.50
0.75
1.00
1.25
1.50
1.75
-0.25
I
REF
= 10nA
T
A
= -40
°
C TO +85
°
C
V
CC
= +2.7V
V
EE
= GND
MAX4206
Precision Transimpedance Logarithmic
Amplifier with Over 5 Decades of Dynamic Range
6 _______________________________________________________________________________________
-0.25
0
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
-0.50
V
LOGV1
vs. I
LOG
(I
REF
= 10nA TO 1mA)
MAX4206 toc04
I
LOG
(A)
V
LOGV1
(V)
1m100
µ
100n 1
µ
10
µ
10n 10m
10nA
100nA
1
µ
A
10
µ
A
100
µ
A
1mA
V
LOGV1
vs. I
REF
(I
LOG
= 10nA TO 1mA)
MAX4206 toc05
I
REF
(A)
V
LOGV1
(V)
100
µ
10
µ
1
µ
100n10n
-0.25
0
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
-0.50
1n 1m
1
µ
A
10
µ
A
100
µ
A
1mA
100nA
10nA
-15
-10
-5
0
5
10
15
20
-20
NORMALIZED LOG CONFORMANCE
ERROR vs. I
LOG
MAX4206 toc06
I
LOG
(A)
ERROR (mV)
1m100
µ
100n 1
µ
10
µ
10n 10m
I
REF
= 10nA
T
A
= -40
°
C TO +85
°
C
V
CC
= +5V
V
EE
= GND
T
A
= -40
°
C
1m100
µ
10n 100n 1
µ
10
µ
1n 10m
-15
-10
-5
0
5
10
15
20
-20
NORMALIZED LOG CONFORMANCE
ERROR vs. I
LOG
MAX4206 toc07
I
LOG
(A)
ERROR (mV)
I
REF
= 10nA
T
A
= -40
°
C TO +85
°
C
V
CC
= +5V
V
EE
= -5V
T
A
= -40
°
C
-15
-10
-5
0
5
10
15
20
-20
NORMALIZED LOG CONFORMANCE
ERROR vs. I
LOG
MAX4206 toc08
I
LOG
(A)
ERROR (mV)
1m100
µ
100n 1
µ
10
µ
10n 10m
I
REF
= 10nA
T
A
= -40
°
C TO +85
°
C
V
CC
= +2.7V
V
EE
= GND
T
A
= -40
°
C
-15
-10
-5
0
5
10
15
20
-20
NORMALIZED LOG CONFORMANCE
ERROR vs. I
LOG
MAX4206 toc09
I
LOG
(A)
ERROR (mV)
1m100
µ
100n 1
µ
10
µ
10n 10m
I
REF
= 10nA
SINGLE SUPPLY: V
CC
= +2.7V, +5V, 11V,
V
EE
= GND
DUAL SUPPLY: V
CC
= +5V
V
EE
= -5V
V
LOGIIN
- V
CMVIN
vs. I
LOG
MAX4206 toc10
I
LOG
(A)
V
LOGIIN
- V
CMVIN
(mV)
1m100µ100n 1µ 10µ
5
4
3
2
1
0
-1
-2
-3
-4
-5
10n1n 10m
I
REF
= 10nA
V
LOGV2
VOLTAGE-NOISE DENSITY
vs. FREQUENCY
MAX4206 toc11
FREQUENCY (Hz)
1M100k10k1k10010
0.1
1
10
0.01
110M
NOISE DENSITY (µV/√Hz)
I
REF
= I
LOG
100nA
10nA
1
µ
A
10
µ
A
TOTAL WIDEBAND VOLTAGE NOISE
AT V
LOGV2
vs. I
LOG
MAX4206 toc12
I
LOG
(A)
VOLTAGE NOISE (mV
RMS
)
100µ10µ1µ100n
1
2
3
4
5
0
10n 1m
I
REF
= I
LOG
f = 1Hz TO 1MHz
Typical Operating Characteristics (continued)
(V
CC
= +5V, V
EE
= GND = 0V, I
REF
= 1µA, I
LOG
= 10µA, LOGV2 = SCALE, LOGV1 = OSADJ, CMVIN = CMVOUT, R
SET
> 1MΩ,
T
A
= +25°C, unless otherwise noted.)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

MAX4206ETE+T

Mfr. #:
Buy MAX4206ETE+T
Manufacturer:
Maxim Integrated
Description:
Logarithmic Amplifiers Transimpedance w/ 100Db Dynamic Range
Lifecycle:
New from this manufacturer.
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