an41908a Panasonic Corporation of North America, an41908a Datasheet
an41908a
Manufacturer Part Number
an41908a
Description
An41908a Lens Driver Lsi For Security-camera
Manufacturer
Panasonic Corporation of North America
Datasheet
1.AN41908A.pdf
(2 pages)
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New publication, effective from 15 Feb. 2010
AL00001AE
The industry's first single-chip to feature focus, zoom and iris control functions
AN41908A Lens Driver LSI for security-camera
AN41908A is a lens driver IC featuring the functions of zoom,
focus and iris control by a single-chip. Adopting this product
allows low power consumption, miniaturization and low-cost
operation with less parts number to control zoom, focus and iris
function of network and security cameras.
• Single-chip LSI reduces mounting area by dramatically cutting
• Realizing super low noise by adopting a microstep drive with
• Iris drive realizes low power consumption by adopting the PWM
Lens drivers for network and security cameras
external components. Various control circuit characteristics can be
adjusted by serial setting, and it dramatically reduces the man-hour
of camera designing (compared to previous mounting area:80 to
90 % cutdown)
correction circuit for zoom and focus (Noise -10dB)
(compared to existing models: reduced by 50%)
Overview
Feature
Applications
Block Diagram
ADTESTIN
ADTESTIN
ADTESTIN
OP3OUT
OP3OUT
OP3OUT
OP3INP
OP3INP
OP3INP
AVDD3
AVDD3
AVDD3
OUTE2
OUTE2
OUTE2
OUTE1
OUTE1
OUTE1
VDD5
VDD5
VDD5
GND5
GND5
GND5
SENS
SENS
SENS
TEST
TEST
TEST
REF
REF
REF
10
10
10
11
11
11
1
1
1
2
2
2
3
3
3
4
4
4
5
5
5
6
6
6
7
7
7
8
8
8
9
9
9
Current
Current
Driver
Driver
8-bit
8-bit
IRIS
IRIS
Adj
Adj
Driver D
Driver D
DAC
DAC
8 bit
8 bit
AVDD3
AVDD3
(3.1 V)
(3.1 V)
Driver C
Driver C
PWM Duty
PWM Duty
Control
Control
Generator
発生回路
発生回路
パルス
パルス
UVLO
UVLO
Pulse
10 bit
10 bit
ADC
ADC
Driver B
Driver B
TSD
TSD
Driver A ∼ D
Driver A ∼ D
ロジック
ロジック
Control
Logic
制御
制御
SIF
SIF
Driver A
Driver A
LED
LED
Dr.
Dr.
33
33
33
32
32
32
31
31
31
30
30
30
29
29
29
28
28
28
27
27
27
26
26
26
25
25
25
24 MGNDA
24 MGNDA
24 MGNDA
23
23
23
GNDD
GNDD
GNDD
LED2
LED2
LED2
LED1
LED1
LED1
OUTA1
OUTA1
OUTA1
N.C.
N.C.
N.C.
SCK
SCK
SCK
CS
CS
CS
SOUT
SOUT
SOUT
DVDD
DVDD
DVDD
OSCIN
OSCIN
OSCIN
QFN044-P-0606D
Unit : mm
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an41908a Summary of contents
Page 1
... The industry's first single-chip to feature focus, zoom and iris control functions AN41908A Lens Driver LSI for security-camera Overview AN41908A is a lens driver IC featuring the functions of zoom, focus and iris control by a single-chip. Adopting this product allows low power consumption, miniaturization and low-cost operation with less parts number to control zoom, focus and iris function of network and security cameras ...
Page 2
Details of features 1. Single-chip LSI reduces mounting area by cutting external components dramatically. Various control circuit characteristics can be adjusted by serial setting, and it dramatically reduces the man-hour of camera designing. This single-chip LSI features zoom, focus and ...