LTC1694-1CS5 Linear Technology, LTC1694-1CS5 Datasheet - Page 8

• Manufacturer Part Number: LTC1694-1CS5
• Description: SMBus/I2C Accelerator
• Manufacturer: Linear Technology

LTC1694-1
RELATED PARTS
PART NUMBER
LTC1380/LTC1393
LTC1427
LTC1623
LTC1663
LTC1694
LT1786F
8
APPLICATIONS
PACKAGE
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
(0.014 – 0.022)
V
C
f
0.35 – 0.55
NOTE:
1. DIMENSIONS ARE IN MILLIMETERS
2. DIMENSIONS ARE INCLUSIVE OF PLATING
3. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
4. MOLD FLASH SHALL NOT EXCEED 0.254mm
5. PACKAGE EIAJ REFERENCE IS SC-74A (EIAJ)
SMBus
CC
LD
= 5V
= 200pF
= 100kHz
DESCRIPTION
LTC1694-1
U
DESCRIPTION
8-Channel/4-Channel Analog Multiplexer with SMBus interface
10-Bit Current DAC with SMBus Interface
Dual High Side Switch Controller with SMBus Interface
SMBus Interface 10-Bit Rail-to-Rail Micropower DAC
SMBus Accelerator
SMBus-Controlled CCFL Switching Regulator
1V/DIV
INFORMATION
(0.059 – 0.069)
(0.102 – 0.118)
U
1.50 – 1.75
2.60 – 3.00
Comparison of SMBus Waveforms for the LTC1694-1 vs Resistor Pull-Up
1 s/DIV
R
= 15.8k
PULL-UP
(0.004 – 0.008)
0.09 – 0.20
W
(NOTE 2)
U
Dimensions in inches (millimeters) unless otherwise noted.
1694 TA03
(0.00 – 0.006)
0.00 – 0.15
U
FIVE PLACES (NOTE 2)
5-Lead Plastic SOT-23
(LTC DWG # 05-08-1633)
(0.014 – 0.020)
0.35 – 0.50
S5 Package
(0.035 – 0.057)
(0.035 – 0.051)
0.90 – 1.45
0.90 – 1.30
V
C
f
SMBus
COMMENTS
Low R
50 A Full-Scale Current
8 Selectable Addresses/16 Channel Capability
DNL < 0.75LSB Max, 5-Lead SOT-23 Package
Includes DC and AC Pull-Up Current
1.25A, 200kHz, Floating or Grounded Lamp Configurations
CC
LD
= 3.3V
= 200pF
LTC1694-1
= 100kHz
ON
1V/DIV
(0.110 – 0.118)
and Low Charge Injection
2.80 – 3.00
(NOTE 3)
(0.074)
1 s/DIV
1.90
REF
R
= 10.5k
PULL-UP
LINEAR TECHNOLOGY CORPORATION 1999
16941f LT/TP 1099 4K • PRINTED IN USA
S5 SOT-23 0599
(0.037)
0.95
REF
1694 TA04