參數(shù)資料
型號: MAX4206EVKIT
廠商: Maxim Integrated Products
文件頁數(shù): 17/17頁
文件大小: 0K
描述: EVAL KIT FOR MAX4206
標準包裝: 1
每 IC 通道數(shù): 1 - 單
放大器類型: 對數(shù)
輸出類型: 單端
轉(zhuǎn)換速率: 12 V/µs
電流 - 輸出 / 通道: 58mA
工作溫度: 0°C ~ 70°C
電流供應(yīng)(主 IC): 5mA
電壓 - 電源,單路/雙路(±): 2.7 V ~ 11 V,±2.7 V ~ 5.5 V
板類型: 完全填充
已供物品:
已用 IC / 零件: MAX4206,MAX4207
MAX4206
Precision Transimpedance Logarithmic
Amplifier with Over 5 Decades of Dynamic Range
_______________________________________________________________________________________
9
SMALL-SIGNAL AC RESPONSE
ILOG TO VLOGV1
MAX4206
toc27
FREQUENCY (Hz)
NORMALIZED
GAIN
(dB)
1M
100k
10k
1k
-50
-40
-30
-20
-10
0
10
-60
100
10M
ILOG = 100A
ILOG = 1mA
ILOG = 10A
ILOG = 1A
ILOG = 100nA
CCOMP = 33pF
RCOMP = 330
SMALL-SIGNAL AC RESPONSE
ILOG TO VLOGV1
MAX4206
toc28
FREQUENCY (Hz)
NORMALIZED
GAIN
(dB)
1M
100k
10k
1k
-50
-40
-30
-20
-10
0
10
-60
100
10M
ILOG = 100A
ILOG = 1mA
ILOG = 10A
ILOG = 1A
ILOG = 100nA
CCOMP = 100pF
RCOMP = 1k
SMALL-SIGNAL AC RESPONSE
OF BUFFER
MAX4206
toc29
FREQUENCY (Hz)
NORMALIZED
GAIN
(dB)
10M
1M
100k
-9
-6
-3
0
3
-12
10k
100M
AV = 2V/V
AV = 4V/V
AV = 1V/V
Typical Operating Characteristics (continued)
(VCC = +5V, VEE = GND = 0V, IREF = 1A, ILOG = 10A, LOGV2 = SCALE, LOGV1 = OSADJ, CMVIN = CMVOUT, RSET > 1M,
TA = +25°C, unless otherwise noted.)
Pin Description
PIN
NAME
FUNCTION
1, 9
N.C.
No Connection. Not internally connected.
2
REFVOUT
1.238V Reference Voltage Output. Bypass REFVOUT to GND with a 0 to 1F capacitor (optional).
3
GND
Ground
4VEE
Negative Power Supply. Bypass VEE to GND with a 0.1F capacitor.
5
LOGV1
Logarithmic Amplifier Voltage Output 1. The output scale factor of LOGV1 is 0.25V/decade.
6
OSADJ
Offset Adjust Input. When operating from a single power supply, current applied to OSADJ adjusts
the output offset voltage (see the Output Offset section).
7
SCALE
Scale Factor Input. Adjust the output scale factor for LOGV2 using a resistive divider (see the Scale
Factor section).
8
LOGV2
Logarithmic Amplifier Voltage Output 2. Adjust the output scale factor for LOGV2 using a resistive
divider (see the Scale Factor section).
10
VCC
Positive Power Supply. Bypass VCC to GND with a 0.1F capacitor.
11
REFISET
Current Reference Adjust Input. A resistor (RSET), from REFISET to GND, adjusts the current at
REFIOUT (see the Adjusting the Logarithmic Intercept section).
12
CMVOUT
0.5V Common-Mode Voltage Reference Output. Bypass CMVOUT to GND with a 0.1F capacitor.
13
REFIOUT
Current Reference Output. The internal current reference output is available at REFIOUT.
14
REFIIN
Current Reference Input. Apply an external reference current at REFIIN. IREFIIN is the reference
current used by the logarithmic amplifier when generating LOGV1.
15
LOGIIN
Current Input to Logarithmic Amplifier. LOGIIN is typically connected to a photodiode anode or other
external current source.
16
CMVIN
Common-Mode Voltage Input. VCMVIN is the common-mode voltage for the input and reference
amplifiers (see the Common Mode section).
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