Manual

MAX3806
Receiver for Optical Distance Measurement
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +4.5V to +5.5V, AC-coupled (C = 0.01µF) output load ≥ 2kΩ, T
A
= -40°C to +105°C. Typical values are at V
CC
= +5V,
T
A
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
ATT = 0 -71
Attenuation in Disable Mode
Frequency < 5MHz,
20log(V
OUT_DISABLED
/
V
OUT_ENABLED
)
ATT = 1 -57
dB
At 1MHz, DIS = 0, ATT = 0, GAIN = 0 or 1 51
At 1MHz, DIS = 0, ATT = 1, GAIN = 0 or 1 114

Output Impedance
At 1MHz, DIS = 1, ATT = 0 or 1, GAIN = 0
or 1
9 k
Note 1: AC specifications are guaranteed by design and characterization.
Note 2: Supply current is measured with OUT unterminated or AC-coupled.
Note 3: Measured by applying 100mV
P-P
sinusoidal noise to the supply voltage. PSNR is defined as 20log(V
OUT_NOISE
/V
CC_NOISE
).
SUPPLY CURRENT vs. TEMPERATURE
MAX3806 toc01
TEMPERATURE (NC)
SUPPLY CURRENT (mA)
8560-15 10 35
2
4
6
8
10
12
14
16
0
-40 110
DIS = 0
DIS = 1
OUTPUT VOLTAGE vs. INPUT CURRENT
MAX3806 toc02
INPUT CURRENT (µA
P
)
OUTPUT VOLTAGE (V
P
)
100101
0.01
0.1
1
10
0.001
0.1 1000
GAIN = 0, ATT = 0
GAIN = 1, ATT = 1
GAIN = 0, ATT = 1
GAIN = 1, ATT = 0
FREQUENCY RESPONSE
MAX3806 toc03
FREQUENCY (MHz)
TRANSIMPEDANCE (dBI)
101
65
70
75
80
85
90
95
100
105
60
0.1 100
GAIN = 1, ATT = 0
GAIN = 0, ATT = 0
GAIN = 1, ATT = 1
GAIN = 0, ATT = 1
Typical Operating Characteristics
(Typical values are at V
CC
= +5V, T
A
= +25°C, C
IN
= 5pF, ATT = 0, unless otherwise noted.)