MAX40658ETA+

General Description
The MAX40658 and MAX40659 are transimpedance
amplifiers for optical distance measurement receivers
for LiDAR applications. Low noise, high gain, low group
delay, and fast recovery from overload make these parts
ideal for distance-measurement applications.
Important features include 45nA
RMS
input-referred noise,
an internal 100mA clamp, 18kΩ (MAX40658) and 36kΩ
(MAX40659) transimpedance, and greater than 360MHz
bandwidth. An offset input allows adjustment of input offset
current. Operating from a +3.3V supply, the MAX40658
and MAX40659 consume only 70mW.
The MAX40658 and MAX40659 are available in a 3mm x
3mm, 8-pin TDFN package or bare die, and are specified
over the -40°C to 85°C operating temperature range.
Applications
Optical Distance Measurement
LIDAR Receivers
Industrial Safety Systems
Autonomous Driving Systems
Ordering Information appears at end of data sheet.
19-100082; Rev 1; 6/18
Benets and Features
45nA
RMS
Noise
Two Transimpedance Values Available
18kΩ (MAX40658)
36kΩ (MAX40659)
360MHz Minimum Bandwidth
Internal Clamp For Input Current Up To 100mA
Offset Adjust Input
70mW Power Dissipation
3.3V Operation
Simplied Block Diagram
12.8kΩ
OUT+
V
CC
GND
VBIAS
OUT-
IN
x1.4 or x2.8
(150Ω load)
GAIN STAGE 1
CCAP
CLAMP
BIAS
27Ω
GAIN STAGE 2
3.2kΩ
OFFSET
MAX40658/MAX40659 Transimpedance Amplier with 100mA Input
Current Clamp for LiDAR Applications
EVALUATION KIT AVAILABLE
Supply Voltage .....................................................-0.5V to +4.2V
Current Into IN ................................................................ +100mA
Voltage at OUT+, OUT- ......................V
CC
- 1.2V to V
CC
+ 0.5V
Voltage at CCAP ....................................................-0.3V to 1.2V
Continuous Power Dissipation (T
A
= +85°C,
derate 24.4mW/°C above +85°C.) .......................... 1904.8mW
Operating Temperature Range ........................... -40°C to +85°C
Operating Junction Temperature Range (die) .. -40°C to +150°C
Storage Temperature Range ............................ -55°C to +150°C
Soldering Temperature (reflow) ....................................... +260°C
Die Attach Temperature ................................................... +400°C
ESD HBM Rating at IN ......................................................±150V
The MAX40658/MAX40659 amplifiers can be damaged by electrostatic discharge (ESD). They must be handled with appropriate precautions. Failure to observe proper handling can cause
damage. ESD damage can range from small performance shifts to product failure.
CAUTION!
ESD SENSITIVE DEVICE
Absolute Maximum Ratings
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
8-TDFN
PACKAGE CODE T833+1F
Outline Number 21-0137
Land Pattern Number 90-0059
Thermal Resistance, Single-Layer Board:
Junction to Ambient (θ
JA
) 55
Junction to Case (θ
JC
) 8
Thermal Resistance, Four-Layer Board:
Junction to Ambient (θ
JA
) 42
Junction to Case (θ
JC
) 8
Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board.
For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.
For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”,
“#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing
pertains to the package regardless of RoHS status.
Package Information
www.maximintegrated.com
Maxim Integrated
2
MAX40658/MAX40659 Transimpedance Amplier with 100mA Input
Current Clamp for LiDAR Applications
(V
CC
= +2.97V to +3.63V, 150Ω AC-coupled load between OUT+ and OUT-, T
A
= -40°C to +85°C, C
IN
= 0.25pF (Note 1))
Note 1: Limits are 100% production tested at T
A
= +25°C.
Note 2: I
INCENTER
is the input current that results in a differential output voltage of 0V.
Note 3: Not production tested, guaranteed by design and characterization.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Power Supply Current I
CC
21 30 mA
Input Bias Voltage V
IN
I
IN
= 1µA 0.78 1.0 V
Transimpedance Linearity
MAX40658 I
IN
= I
INCENTER
±2µA,
I
OFFSET
= 0, Note 2
6 %
Small-Signal Transimpedance
(Note 2)
Z
21
MAX40658, I
IN
< 2µA
P-P
15.7 18.3 20.9
Small-Signal Transimpedance Z
21
MAX40659, I
IN
< 1µA
P-P
36.4
OFFSET Input Transimpedance
MAX40658 4.7
MAX40659 9.4
Input Clamping Current 100 mA
Output Common-Mode Voltage
MAX40658
V
CC
-
0.125
V
MAX40659
V
CC
-
0.25
Dierential Output Oset ΔV
OUT
I
IN
= 0mA -27 mV
Output Impedance Z
OUT
Single ended 60 75 90 Ω
Maximum Dierential Output
Voltage
V
OUT(MAX)
MAX40658, I
IN
= ±1mA
P-P
.
V
OUT
= V
OUT + P-P
- V
OUT - P-P
150 240 400
mV
P-P
MAX40659, I
IN
= ±1mA
P-P
.
V
OUT
= V
OUT + P-P
- V
OUT - P-P
480
Input Resistance R
IN
450 Ω
Bandwidth BW
MAX40658, V
CC
= 3.3V, Note 3 360 520
MHz
MAX40659, V
CC
= 3.3V 520
Input-Referred Noise i
n
BW = 267MHz 45 nA
RMS
Input Noise Density f = 267MHz 2.1 pA/Hz
1/2
Electrical Characteristics
www.maximintegrated.com
Maxim Integrated
3
MAX40658/MAX40659 Transimpedance Amplier with 100mA Input
Current Clamp for LiDAR Applications

MAX40658ETA+

Mfr. #:
Manufacturer:
Maxim Integrated
Description:
Transimpedance Amplifiers Trans impedance preamplifier
Lifecycle:
New from this manufacturer.
Delivery:
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