VPOS = 5 V, V
參數(shù)資料
型號(hào)： ADL5304ACPZ-RL
廠商： Analog Devices Inc
文件頁數(shù)： 23/32頁
文件大?。?/td> 0K
描述： IC AMP LOG CONV 32LFCSP
標(biāo)準(zhǔn)包裝： 5,000
類型： 對(duì)數(shù)轉(zhuǎn)換器
應(yīng)用： 光纖
安裝類型： 表面貼裝
封裝/外殼： 32-VFQFN 裸露焊盤，CSP
供應(yīng)商設(shè)備封裝： 32-LFCSP-VQ（5x5）
包裝： 帶卷 (TR)
Data Sheet
ADL5304
Rev. 0 | Page 3 of 32
SPECIFICATIONS
VPOS = 5 V, VNEG = 0 V, TA = 25°C; IDEN = IREF; VSM1 to VSM4, 1P5V, DCBI, and INPS tied together; SCL1 = VLOG; SCL2 = INMS;
SCL3 = open; scale = 200 mV/dec; VLOG output load RL > 2 kΩ, unless otherwise noted. Upper case indicates a pin name (for example,
VLOG) and subscripted indicates signal name (for example, VLOG).
Table 1.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
INPUT INTERFACES
INUM, IDEN, VSMx pins
Specified Current Range
Flows toward each input pin (INUM and IDEN),
5 V ≤ VNEG ≤ 2 V
112
103
A
VNEG = 0 V
112
33
A
Temperature Drift (INUM and IDEN)
40°C < TA < +85°C
0.01
mV/°C
Input Guard Offset Voltage
VINUM VVSUM
2
±0.6
+2
mV
LOGARITHMIC OUTPUT
VLOG pin, referenced to ACOM; input applied to
INUM1
Logarithmic Slope, VY
25°C
195
200
205
mV/dec
40°C < TA < +85°C
2
+3
mV/dec
Logarithmic Intercept, IZ2
Extrapolated input current at VLOG = 0 V
3.162
fA
Logarithmic Offset
Difference between VLOG and VSUM with INUM = IDEN
8
+5
mV
40°C < TA < +85°C
25
μV/°C
Logarithmic Law Conformance Error
Maximum deviation from best fit over
1 nA to 100 μA range
0.7
±0.2
+0.7
dB
VLOG OUTPUT
INPS, INMS, VLOG, SCL1, SCL2, SCL3 pins
Output Buffer Offset Voltage
3
+0.1
+3
mV
Output Buffer Bias Current
Flowing out of the INPS pin
1.3
μA
Incremental Input Resistance
Pin INPS
12
MΩ
Output Range
RL open
VNEG + 0.2
VPOS 0.2
V
Output Noise Spectral Density3
INUM > 1 nA
<6
μV/√Hz
Small Signal Bandwidth
INUM = 1 nA
25
kHz
INUM = 10 nA
350
kHz
INUM = 100 nA
1.2
MHz
INUM > 1 μA
4
MHz
Falling Edge Settling Times4
INUM = 100 nA to 10 nA
10
μs
INUM = 1 μA to 100 nA
2.2
μs
INUM = 10 μA to 1 μA
0.5
μs
INUM > 10 μA
<0.5
μs
Nominal Voltage Swing
For input current range of 1 pA to 10 mA
0.5
2.5
V
Output Impedance
Frequency < 1 MHz
<2
Ω
REFERENCE OUTPUTS
1P5V, 2VLT, IREF pins
1P5V (Referenced to ACOM)
25°C
1.495
1.500
1.505
V
40°C < TA < +85°C
30
μV/°C
Output Current
10
+5
mA
2VLT (Referenced to ACOM)
25°C
1.995
2.000
2.005
V
40°C < TA < +85°C
31
μV/°C
Output Current
Sourcing only
0
20
mA
IREF5
100
nA
40°C < TA < +85°C
70
pA/°C
PHOTODIODE BIAS
IMON pin; IMON = 1.1 × INUM
Midrange Value
At a photodiode current = INUM = 100 nA
110
nA
Maximum Value
At INUM = 1 mA (RS ≤ 100 Ω), RMNTR = 10 × RS
(RS = photodiode series resistance)
10.5
11
11.5
mA
IMON Compliance
0
3.0
V
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