DS2125+ Maxim Integrated, DS2125+ Datasheet - Page 2

• Manufacturer Part Number: DS2125+
• Description: SCSI Interface IC
• Manufacturer: Maxim Integrated
• Series: DS2125r
• Type: SCSI Terminationr

Specifications of DS2125+

• Rohs: yes
• Operating Supply Voltage: 2.7 V to 5.5 V
• Supply Current: 32 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Package / Case: TQFP-48
• Resistance: 110 Ohms
• Part # Aliases: 90-21250+000

V
V
Continuous Power Dissipation (T
Operating Temperature Range………………………………………………………………………………….0°C to +70°C
Junction Temperature…………………………………………………………………………………………………...+150°C
Storage Temperature Range………………………………………………………………………………...-65°C to +160°C
Lead Temperature (soldering, 10s)…………………………………………………………………………………….+300°C
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 the absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(TPWR = 3.3V, T
TPWR Operating Supply
Range
TPWR SUPPLY CURRENT
TPWR Supply Current
(All Lines Open)
LVD TERMINATION (Applies to each line pair, 1 to 15 in LVD mode)
Differential-Mode
Termination Resistance
Common-Mode
Termination Resistance
Differential-Mode Bias
Common-Mode Bias
SE TERMINATION (Applies to SE terminators, 1 to 15 in SE mode)
Single-Ended Mode
Termination Resistance
Termination Current
(Note 2)
SE Voltage Reference
Pin Leakage
Single-Ended GND
Resistance
TERMINATOR PIN CAPACITANCE
Terminator Pin
Capacitance
V
1.25V Regulator Output
Voltage
1.25V Regulator Short-
Circuit Source Current
1.25V Regulator Short-
Circuit Sink Current
1.25V Regulator Line
Regulation
2.85V Regulator
2.85V Regulator Short-
Circuit Source Current
2.85V Regulator Short-
Circuit Sink Current
REF
REF
REF
, ISO, GND, DIFFSENSE, DIFF_CAP, TPWR, RxP, RxN (x = 1 . . . 15)………………………………-0.3V, +6.0V
Continuous Output Current………………………………………………………………………………………±200mA
REGULATOR
PARAMETER
A
= 0°C to +70°C, unless otherwise noted.)
SYMBOL
I
I
V
I
TPWR_LVD
TPWR_ISO
I
TPWR_SE
V
SOURCE
REF_LVD
R
V
R
R
I
V
V
R
C
TPWR
SINK
I
GND
REF
SE
DM
CM
DM
CM
SE
IN
A
= +70°C), 48-Pin LQFP……………………………………………………………...2W
LVD
SE
LVD SCSI mode
SE SCSI mode
ISO mode (terminators disabled)
R
All lines open
R
R
where V
pin with pin unloaded and
I
with the pin forced to 0.2V (Note 2)
Signal level at 0.2V, all lines low
Signal level at 0.5V
(Note 2)
With ISO high
Measured at R
With ISO high (Note 1)
V
V
V
2.7V to 5.5V
(Note 2)
V
V
Lx
REF
REF
REF
REF
REF
P
P
SE
= current for each terminator pin
and R
and R
= (V
= 0V
= 3.3V
unloaded; vary TPWR from
= 0V (Note 2)
= 3.3V (Note 2)
Lx
Lx
N
N
= voltage at terminator
CONDITIONS
- 0.2) / I
shorted together
shorted together
P
pins, I = 10mA
2 of 7
Lx
,
104.5
-21.0
-18.0
1.15
1.15
-375
-375
MIN
100
110
100
170
170
2.7
4.0
2.7
2.7
TYP
1.25
2.85
1.25
-700
2.85
-700
250
110
300
300
-24
1.6
1.0
20
20
115.5
-1000
-1000
MAX
-25.4
-22.4
1.35
1.35
750
110
165
125
400
700
700
5.5
5.5
3.0
2.5
3.0
32
10
60
3
UNITS
mA
mA
mV
mA
mA
mA
mA
mA
µA
nA
pF
%
Ω
Ω
Ω
Ω
V
V
V
V
V