MAX14502AETL+ Maxim Integrated Products, MAX14502AETL+ Datasheet - Page 7

• Manufacturer Part Number: MAX14502AETL+
• Description: IC CARD READER USB-SD 40-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Smart Card Interface ICr

Specifications of MAX14502AETL+

• Applications: USB
• Interface: I²C
• Voltage - Supply: 1.8 V ~ 3.3 V
• Package / Case: 40-TQFN Exposed Pad
• Mounting Type: Surface Mount
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
CC
= +3.3V, V
IO
= +2.5V, V
_______________________________________________________________________________________
35
30
25
20
15
10
4
3
2
1
0
5
0
1.5
0
NO CLOCK
vs. SD CHANNEL COMMON VOLTAGE
V
SD
PASS THRU V
SD
SD CHANNEL ON-RESISTANCE
= +3V
SD CHANNEL COMMON VOLTAGE (V)
1.8
0.5
FOR CARD READER MODE
HI-SPEED EYE DIAGRAM
= +2.5V, V
vs. SUPPLY VOLTAGE
V
IO
2.1
UNIT TIME INTERVAL
SUPPLY VOLTAGE (V)
1.0
IO
SUPPLY CURRENT
2.4
TM
1.5
= +3.3V, T
2.7
2.0
MAX14500 toc01
3.0
A
2.5
3.3
= +25°C, unless otherwise noted.)
Hi-Speed USB-to-SD Card
Typical Operating Characteristics
Readers with Bypass
10
30
25
20
15
10
8
6
4
2
0
6
5
4
3
2
1
0
5
0
0.9
2.0
1.8
NO CLOCK
NO CLOCK
V
vs. USB COMMON VOLTAGE (VCD_)
TM
PASS THRU V
PASS THRU V
= 3.3V
1.3
2.1
VCD_ COMMON VOLTAGE (V)
vs. SUPPLY VOLTAGE
2.4
vs. SUPPLY VOLTAGE
USB ON-RESISTANCE
V
V
CC
SD
1.7
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
2.4
CC
SD
2.8
2.1
SUPPLY CURRENT
SUPPLY CURRENT
2.7
2.5
3.2
3.0
2.9
3.6
3.3
3.3
7