MAX361_V01 [MAXIM]
Precision, Quad, SPST Analog Switches;
| 型号： | MAX361_V01 |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | Precision, Quad, SPST Analog Switches |
| 文件： | 总10页 (文件大小：185K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
19-0180; Rev 2; 6/04
Precision, Quad, SPST Analog Switches
General Description
____________________________Features
♦ Low On Resistance: < 45Ω Typical (85Ω Max)
The MAX361/MAX362 are precision, quad, single-pole
single-throw (SPST) analog switches. The MAX361 has four
normally closed (NC) switches, and the MAX362 has four
normally open (NO) switches. Both parts offer low channel
on-resistance (less than 85Ω), guaranteed to match within
3Ω between channels and to remain flat over the analog
signal range (∆9Ω max). Both parts also offer low leakage
(less than 500pA at +25°C and less than 4nA at +85°C) and
fast switching (turn-on time less than 250ns and turn-off time
less than 170ns).
♦ Guaranteed Matched On-Resistance Between Channels: < 2Ω
♦ Guaranteed Flat On-Resistance over Analog Signal
Range: ∆9Ω Max
♦ Guaranteed Charge Injection: < 10pC
♦ Guaranteed Off-Channel Leakage: <4nA at +85°C
♦ ESD Guaranteed > 2000V per Method 3015.7
♦ Single-Supply Operation (+10V to +30V)
Bipolar-Supply Operation ( 4.5V to 20V)
♦ TTL-/CMOS-Logic Compatible
The MAX361/MAX362 are fabricated with Maxim’s new
improved 44V silicon-gate process. Design improve-
ments guarantee extremely low charge injection
(10pC), low power consumption (35µW), and electro-
static discharge (ESD) greater than 2000V. The 44V
maximum breakdown voltage allows rail-to-rail analog
signal handling capability.
♦ Rail-to-Rail Analog Signal Handling Capability
______________Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
16 Plastic DIP
16 Narrow SO
Dice*
MAX361CPE
MAX361CSE
MAX361C/D
MAX361ETE
MAX361EPE
MAX361ESE
MAX361EJE
MAX361MJE
MAX362CPE
MAX362CSE
MAX362C/D
MAX362ETE
MAX362EPE
MAX362ESE
MAX362EJE
MAX362MJE
0°C to +70°C
0°C to +70°C
0°C to +70°C
These monolithic switches operate with a single positive
supply (+10V to +30V) or with split supplies ( 4.5V to 20V)
while retaining CMOS-logic input compatibility and fast
switching. CMOS inputs provide reduced input loading.
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
0°C to +70°C
16 Thin QFN
16 Plastic DIP
16 Narrow SO
16 CERDIP
________________________Applications
Sample-and-Hold Circuits
Guidance and Control Systems
Heads-Up Displays
16 CERDIP
16 Plastic DIP
16 Narrow SO
Dice*
0°C to +70°C
0°C to +70°C
Test Equipment
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
16 Thin QFN
16 Plastic DIP
16 Narrow SO
16 CERDIP
Communications Systems
Battery-Operated Systems
PBX, PABX
16 CERDIP
*Contact factory for dice specifications.
Pin Configurations/Functional Diagrams/Truth Tables
TOP VIEW
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
IN1
COM1
NC1
16
IN1
16 IN2
15 COM2
14 NO2
13 V+
IN2
15 COM2
NC2
COM1
NO1
V-
14
13 V+
V-
MAX362
MAX361
N.C.
12
11
10
9
GND
NC4
12
11
10
9
GND
NO4
N.C.
NO3
COM3
IN3
NC3
COM3
IN3
COM4
IN4
COM4
IN4
DIP/SO
DIP/SO
MAX361
MAX362
LOGIC
SWITCH
LOGIC
SWITCH
N.C. = Not Internally
Connected
0
1
ON
0
1
OFF
ON
OFF
SWITCHES SHOWN FOR LOGIC "0" INPUT
Pin Configurations continued at end of data sheet.
_______________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Precision, Quad, SPST Analog Switches
ABSOLUTE MAXIMUM RATINGS
Voltage Referenced to V-
Plastic DIP (derate 10.53mW/°C above +70°C)..........842mW
Narrow SO (derate 8.70mW/°C above +70°C)............696mW
Thin QFN (derate 33.3mW/°C above +70°C)............2667mW
CERDIP (derate 10.00mW/°C above +70°C) ..............800mW
Operating Temperature Ranges:
V+ ....................................................................................44V
GND.................................................................................25V
IN_, COM_, NO_, NC_...........(V- - 2V) to (V+ + 2V) or 30mA
(whichever occurs first)
Continuous Current (any terminal) .....................................30mA
Peak Current COM, NO, NC
(pulsed at 1ms, 10% duty cycle max)..........................100mA
ESD....................................................................................2000V
MAX36_C_ _.......................................................0°C to +70°C
MAX36_E_ _....................................................-40°C to +85°C
MAX36_MJE..................................................-55°C to +125°C
Storage Temperature Range ............................-65°C to +150°C
Lead Temperature (soldering, 10s) ................................+300°C
Continuous Power Dissipation (T = +70°C) (Note 1)
A
Note 1: All leads are soldered or welded to PC board.
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.
ELECTRICAL CHARACTERISTICS—Dual Supplies
(V+ = 15V, V- = -15V, GND = 0V, V
= 2.4V, V
= 0.8V, T = T
to T
, unless otherwise noted.)
MAX
INH
INL
A
MIN
MIN
TYP MAX
(Note 2)
PARAMETER
ANALOG
SYMBOL
CONDITIONS
UNITS
V
,
COM_
Analog-Signal Range
V
,
(Note 3)
-15
15
V
NO_
V
NC_
On Resistance
I
= -10mA,
(NO or NC)
COM_
T = +25°C
50
85
100
2
A
R
Ω
Ω
Ω
(COM_ to NO_ or
COM_ to NC_ terminals)
V
= 8.5V or -8.5V,
ON
ON
ON
T = T
to T
A
MIN
MAX
MAX
MAX
V+ = 13.5V, V- = -13.5V
I
= -10mA,
= 10V or -10V,
(NO or NC)
T = +25°C
A
On Resistance Match
Between Channels (Note 4)
R
V
COM_
T = T
to T
MIN
4
A
V+ = 15V, V- = -15V
I
= -10mA,
= 5V or -5V,
(NO or NC)
T = +25°C
9
A
On Resistance Flatness
(Note 4)
R
V
COM_
T = T
to T
MIN
15
0.50
4
V+ = 15V, V- = -15V
A
T = +25°C
-0.50 0.01
V
V
=
15.5V,
= +15.5V,
NO_
A
COM_
,
_
_
I
Off Leakage Current
(NO_ or NC_ terminal)
NO
or V
nA
nA
nA
C, E
M
-4
NC_
I
NC
T = T
A
MAX
V+ = 16.5V, V- = -16.5V
-20
20
0.50
4
T = +25°C
-0.50 0.01
A
V
V
or V
= 15.5V,
NO_
= +15.5V,
NC_
Off Leakage Current
(COM_ terminal)
I
C, E
M
-4
COM
COM_
T = T
A
MAX
V+ = 16.5V, V- = -16.5V
-20
20
0.50
6
T = +25°C
-0.50 0.08
A
V
V
=
15.5V,
=
NO_
I
COM
or
COM_
NC_
On Leakage Current
(COM_ and NC_ or NO_
terminal)
or V
15.5V,
C, E
M
-6
T = T
MAX
V+ = 16.5V, V- = -16.5V
A
I
, I
NO NC
-40
40
DIGITAL
Input Current with
Input Voltage High
I
I
V
V
= 2.4V
= 0.8V
-500 0.01
-500 0.01
500
500
nA
nA
INH
IN_
Input Current with
Input Voltage Low
INH
IN_
2
________________________________________________________________________________________________
Precision, Quad, SPST Analog Switches
ELECTRICAL CHARACTERISTICS—Dual Supplies (continued)
(V+ = 15V, V- = -15V, GND = 0V, V
= 2.4V, V
= 0.8V, T = T
to T
, unless otherwise noted.)
MAX
INH
INL
A
MIN
MIN
TYP MAX
(Note 2)
PARAMETER
SUPPLY
SYMBOL
CONDITIONS
UNITS
Power-Supply Range
V+, V-
I+
4.5
20.0
V
All channels on or off, V = 0V or 5V,
V+ = 16.5V, V- = -16.5V
IN
Positive Supply Current
15
100
µA
All channels on or off,
T = +25°C
-1 -0.0001
-5
1
5
A
Negative Supply Current
Ground Current
I-
V
= 0V or 5V,
µA
µA
IN
T = T
to T
MAX
V+ = 16.5V, V- = -16.5V
A
MIN
All channels on or off, V = 0V or 5V,
V+ = 16.5V, V- = -16.5V
IN
I
-100
-15
GND
DYNAMIC
Turn-On Time
t
Figure 1, V = 10V, R = 1kΩ T = +25°C
150
90
250
120
170
ns
ns
ns
ON
S
L
A
MAX361, Figure 1, V
= 10V T = +25°C
A
COM
COM
Turn-Off Time
t
OFF
MAX362, Figure 1, V
= 10V T = +25°C
110
A
C = 1nF, V
= 0V,
L
GEN
Charge Injection
Q
T = +25°C
5
10
pC
dB
dB
A
R
= 0Ω, Figure 2
GEN
R = 50Ω, C = 5pF,
L
L
Off Isolation (Note 5)
Crosstalk (Note 6)
OIRR
T = +25°C
60
A
f = 1MHz, Figure 3
R = 50Ω, C = 5pF,
L
L
T = +25°C
-100
A
f = 1MHz, Figure 4
f = 1MHz, Figure 5
f = 1MHz, Figure 5
Off Capacitance NC or NO
Off Capacitance COM_
C
T = +25°C
4
4
pF
pF
(OFF)
A
C
T = +25°C
COM(OFF)
A
Channel-On Capacitance
f = 1MHz, Figure 5
T = +25°C
16
pF
C
A
COM(ON)
________________________________________________________________________________________________________________________________________________________________________________________
3
Precision, Quad, SPST Analog Switches
ELECTRICAL CHARACTERISTICS—Single Supply
(V+ = 12V, V- = 0V, GND = 0V, V
= 2.4V, V
= 0.8V, T = T
to T
, unless otherwise noted.)
MAX
INH
INL
A
MIN
MIN
TYP MAX
(Note 2)
PARAMETER
SWITCH
SYMBOL
CONDITIONS
UNITS
V
,
COM_
Analog-Signal Range
V
,
(Note 3)
0
12
V
NO_
V
NC_
On Resistance
I
= 1.0mA,
T = +25°C
100
15
160
200
(NC or NO)
COM__
A
R
Ω
(COM_ to NO_ or
COM_ to NC_ terminals)
V
= 3V, 8V,
ON
T = T
to T
A
MIN
MAX
MAX
V+ = 10.8V
SUPPLY
Power-Supply Range
Positive Supply Current
V+
I+
10
30
100
1
V
All channels on or off, V = 0V or 5V
IN
µA
µA
T = +25°C
-1 -0.0001
-5
All channels on or off,
= 0V or 5V
A
Negative Supply Current
I-
V
IN
T = T
to T
MIN
+5
A
µA
All channels on or off, V = 0V or 5V
Ground Current
DYNAMIC
I
-100
-15
IN
GND
Turn-On Time
Turn-Off Time
t
Figure 1, V = 8V
T = +25°C
300
60
400
200
ns
ns
ON
S
A
t
Figure 1, V = 8V
T = +25°C
OFF
S
A
Charge Injection
Q
T = +25°C
5
10
pC
C = 1nF, V
= 0V,
A
L
GEN
Note 2: The algebraic convention, where the most negative value is a minimum and the most positive value a maximum, is used in
this data sheet.
Note 3: Guaranteed by design.
Note 4: On resistance match between channels and flatness are guaranteed only with bipolar-supply operation.
⎛
⎞
V
COM
_ or V
Note 5: See Figure 3. Off Isolation = 20 log
, V
= output, V
= input to off switch.
COM
10
NC or NO
⎜
⎟
V
⎝
NC
NO_ ⎠
Note 6: Between any two switches. See Figure 4.
4
_______________________________________________________________________________________
Precision, Quad, SPST Analog Switches
__________________________________________Typical Operating Characteristics
(T = +25°C, unless otherwise noted.)
A
SWITCHING THRESHOLD vs.
BIPOLAR SUPPLY VOLTAGE
OFF LEAKAGE CURRENTS
ON LEAKAGE CURRENTS
2
1
4
3.5
3.0
2.5
2.0
1.5
0.5
3
2
MAX
T = +125°C
A
T = +125°C
A
1
0
T = +85°C
A
T = +85°C
A
0
MIN
V+ = 15V
V- = -15V
-1
-2
V+ = 15V
V- = -15V
-1
-15
0
0
15
-15
0
15
5
10
15
20
V
, V , V
(V)
V
, V ,V
(V)
BIPOLAR SUPPLY VOLTAGE (V)
NC NO COM
NC NO COM
ON RESISTANCE vs. V
AND
ON RESISTANCE vs. V
AND
COM
ON RESISTANCE vs. V
AND
COM
COM
BIPOLAR SUPPLY VOLTAGE
UNIPOLAR SUPPLY VOLTAGE
BIPOLAR VOLTAGE AND TEMPERATURE
250
225
200
175
150
125
100
V+ = 15V, V- = -15V
180
150
120
90
120
100
80
60
40
20
0
5V
T = +125°C
A
V+ = 10V
V+ = 15V
T = +25°C
A
10V
20V
15V
60
75
50
25
0
30
0
V+ = 20V
T = -55°C
A
-20
-10
0
+10
+20
0
5
10
15
20
-14
-7
0
7
14
V
(V)
V
(V)
V
(V)
COM
COM
COM
ON RESISTANCE vs. V
AND UNIPOLAR
SWITCHING TIME vs. BIPOLAR
SUPPLY VOLTAGE
COM
SWITCHING TIMES vs. UNIPOLAR
SUPPLY VOLTAGE
SUPPLY VOLTAGE AND TEMPERATURE
150
125
240
200
350
300
V- = 0V
T = +125°C
A
250
200
150
100
T = +25°C
A
100
75
160
120
80
t
T = -55°C
A
ON
t
ON
50
t
OFF
t
V+ = 12V
V- = 0V
25
40
OFF
50
0
0
0
0
4
8
12
5
10
15
20
10
15
20
24
V
(V)
BIPOLAR SUPPLY VOLTAGE (V)
UNIPOLAR SUPPLY VOLTAGE (V)
COM
_______________________________________________________________________________________
5
Precision, Quad, SPST Analog Switches
Typical Operating Characteristics (continued)
(T = +25°C, unless otherwise noted.)
A
CHARGE INJECTION vs.
CHARGE INJECTION vs.
V
VOLTAGE
V
VOLTAGE
COM
COM
40
V+ = 15V
V- = -15V
V+ = 12V
V- = 0V
C = 1nF
L
10
C = 1nF
L
20
0
0
-20
-10
-14 -10
0
10
14
0
5
10
12
V
COM
(V)
V
(V)
COM
______________________________________________________________Pin Description
PIN
NAME
NAME
FUNCTION
DIP/SO
THIN QFN
15, 14, 7, 6
16, 13, 8, 5
1, 16, 9, 8
2, 15, 10, 7
IN1–IN4
Logic Control Input
COM1–COM4
Analog-Switch Drain Terminal
NC (normally closed, MAX361)
NO (normally open, MAX362)
Analog-Switch Terminal
NO1–NO4 or
NC1–NC4
3, 14, 11, 6
1, 12, 9, 4
4
2
V-
Negative-Supply Voltage Input
Ground
5
3
GND
N.C.
V+
12
13
—
10
11
EP
No Connection. Not internally connected
Positive-Supply Voltage Input—Connected to Substrate
Exposed Pad—Connect pad to V+
PAD
___________Applications Information
Proper power-supply sequencing is recommended for
all CMOS devices. Do not exceed the absolute maxi-
mum ratings, because stresses beyond the listed rat-
ings may cause permanent damage to the devices.
Always sequence V+ on first, followed by V-, and logic
inputs. If power-supply sequencing is not possible,
add two small signal diodes in series with the supply
pins for overvoltage protection (Figure 6). Adding the
diodes reduces the analog signal range to 1V below
V+ and 1V below V-, but low switch resistance and low
leakage characteristics are unaffected. Device opera-
tion is unchanged, and the difference from V+ to V-
should not exceed +44V.
Operation with Supply Voltages
Other Than 1ꢀV
O
Using supply voltages other than 15V is reduces the
analog signal range. The MAX361/MAX362 switches
operate with bipolar supplies of 4.5V to 20V. Typical
operating characteristic graphs show typical on resis-
tance for 15V, 10V, and 5V supplies. Switching
times increase by a factor of two or more for 5V oper-
ation. The MAX361/MAX362 can also operate from
+10V to +30V unipolar supplies. Both parts can also
be powered from unbalanced supplies such as +24V
and -5V. Connect V- to 0V when operating with a sin-
gle supply.
6
_______________________________________________________________________________________
Precision, Quad, SPST Analog Switches
+15V
LOGIC
INPUT
+3V
SWITCH
INPUT
NO_ OR NC_
V+
t < 20ns
f
COM_
GND
V
COM
V
O
50%
t < 20ns
r
1N_
0V
35pF
R
L
t
OFF
V-
SWITCH
INPUT
LOGIC
INPUT
+3V
V
COM
V
O
0.8V
0.8V
O
O
-15V
SWITCH
OUTPUT
0V
REPEAT TEST FOR CHANNELS 2, 3, AND 4.
t
ON
FOR LOAD CONDITIONS, SEE SPECIFICATIONS
C (INCLUDES FIXTURE AND STRAY CAPACITANCE)
L
LOGIC INPUT WAVEFORM IS INVERTED FOR SWITCHES
THAT HAVE THE OPPOSITE LOGIC SENSE.
RL
V
= V
COM
O
R + R
L
ON
Figure 1. Switching-Time Test Circuit
∆V
O
+15V
V
O
V+
NO_
OR NC_
R
GEN
COM_
V
O
IN_
OFF
OFF
ON
ON
OFF
C
MAX361
L
V
GEN
GND IN_
V-
-15V
OFF
V
= +3V
IN
IN_
Q = ∆V × C
O
L
MAX362
Figure 2. Charge-Injection Test Circuit
+15V
C
+15V
V+
C
V+
SIGNAL
GENERATOR 10dBm
SIGNAL
GENERATOR 10dBm
50Ω
COM
COM1
IN1
NC1 OR NO1
IN2
R
= 50Ω
R
= 50Ω
GEN
GEN
0.8V, 2.4V
IN_
0.8V, 2.4V
0.8V, 2.4V
NC_ OR
NO_
COM2
V-
NC2 OR NO2
GND
ANALYZER
ANALYZER
GND
V-
C
C
R
R
L
L
-15V
-15V
Figure 4. Off-Isolation Test Circuit
Figure 3. Crosstalk Test Circuit (repeat for channels 3 and 4)
_______________________________________________________________________________________
7
Precision Quad SPST Analog Switches
V+
+15V
C
V+
+V
COM_
METER
COM_
IN_
NC_ OR NO_
0.8V, 2.4V
IMPEDANCE
ANALYZER OR
EQUIVALENT
NO_
OR
NC_
V
g
f = 1MHz
GND
V-
C
-15V
V-
Figure 5. Channel Capacitance Test Circuit
Figure 6. Overvoltage Protection Using Blocking Diodes
Pin Configurations (continued)
TOP VIEW
COM1
16
IN1
15
IN2
14
COM2
13
COM1
16
IN1
15
IN2
14
COM2
13
NC11
V-
1
2
3
4
12 NC2
11 V+
NO1
V-
1
2
3
4
12 NO2
11 V+
MAX361
MAX362
GND
NC4
10 N.C.
GND
NO4
10 N.C.
9
9
NC3
NO3
5
6
7
8
5
6
7
8
COM4
IN4
IN3
COM3
COM4
IN4
IN3
COM3
THIN QFN
(5mm x 5mm)
THIN QFN
(5mm x 5mm)
TRANSISTOR COUNT: 126;
SUBSTRATE CONNECTED TO V+.
8
_______________________________________________________________________________________
Precision Quad SPST Analog Switches
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information,
go to www.maxim-ic.com/packages.)
D2
0.15
C A
D
b
0.10 M
C A B
C
L
D2/2
D/2
k
PIN # 1
I.D.
0.15
C
B
PIN # 1 I.D.
0.35x45∞
E/2
E2/2
C
(NE-1) X
e
L
E2
E
k
L
DETAIL A
e
(ND-1) X
e
DETAIL B
e
L
C
L
C
L
L1
L
L
e
e
0.10
C
A
0.08
C
C
A1 A3
PACKAGE OUTLINE
16, 20, 28, 32, 40L, THIN QFN, 5x5x0.8mm
1
E
21-0140
2
_______________________________________________________________________________________
9
Precision Quad SPST Analog Switches
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information,
go to www.maxim-ic.com/packages.)
COMMON DIMENSIONS
20L 5x5 28L 5x5
EXPOSED PAD VARIATIONS
D2 E2
MIN. NOM. MAX. MIN. NOM. MAX.
DOWN
BONDS
ALLOWED
PKG.
SYMBOL MIN. NOM. MAX. MIN. NOM. MAX. MIN. NOM. MAX. MIN. NOM. MAX. MIN. NOM. MAX.
16L 5x5
32L 5x5
40L 5x5
PKG.
CODES
T1655-1 3.00 3.10 3.20 3.00 3.10 3.20
NO
A
0.70 0.75 0.80 0.70 0.75 0.80 0.70 0.75 0.80 0.70 0.75 0.80 0.70 0.75 0.80
T1655-2 3.00 3.10 3.20 3.00 3.10 3.20 YES
NO
T2055-3 3.00 3.10 3.20 3.00 3.10 3.20 YES
A1
-
0
0.02 0.05
0.20 REF.
0
0.02 0.05
0.20 REF.
0
0.02 0.05
0.20 REF.
0
0.02 0.05
0.20 REF.
0
0.05
0.20 REF.
T2055-2 3.00 3.10 3.20 3.00 3.10 3.20
A3
b
0.25 0.30 0.35 0.25 0.30 0.35 0.20 0.25 0.30 0.20 0.25 0.30 0.15 0.20 0.25
4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10
4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10
NO
T2055-4 3.00 3.10 3.20 3.00 3.10 3.20
D
E
T2855-1 3.15 3.25 3.35 3.15 3.25 3.35
T2855-2 2.60 2.70 2.80 2.60 2.70 2.80
NO
NO
e
0.80 BSC.
0.25
0.65 BSC.
0.25
0.50 BSC.
0.25
0.50 BSC.
0.25
0.40 BSC.
T2855-3 3.15 3.25 3.35 3.15 3.25 3.35 YES
k
-
-
-
-
-
-
-
-
0.25 0.35 0.45
YES
NO
T2855-4 2.60 2.70 2.80 2.60 2.70 2.80
T2855-5 2.60 2.70 2.80 2.60 2.70 2.80
T2855-6 3.15 3.25 3.35 3.15 3.25 3.35
L
0.30 0.40 0.50 0.45 0.55 0.65 0.45 0.55 0.65 0.30 0.40 0.50 0.40 0.50 0.60
L1
-
-
-
-
-
-
-
-
-
-
-
-
0.30 0.40 0.50
NO
N
ND
16
4
4
20
5
5
28
7
7
32
8
8
40
10
10
2.80
3.20
T2855-7 2.60 2.70
T3255-2
T3255-3 3.00 3.10
2.60 2.70 2.80 YES
NO
3.00 3.10 3.20 YES
NO
3.00 3.10
3.00 3.10 3.20
NE
3.20
WHHB
WHHC
WHHD-1
WHHD-2
-
JEDEC
T3255-4 3.00 3.10 3.20 3.00 3.10 3.20
T4055-1 3.20 3.30 3.40 3.20 3.30 3.40 YES
NOTES:
1. DIMENSIONING & TOLERANCING CONFORM TO ASME Y14.5M-1994.
2. ALL DIMENSIONS ARE IN MILLIMETERS. ANGLES ARE IN DEGREES.
3. N IS THE TOTAL NUMBER OF TERMINALS.
4. THE TERMINAL #1 IDENTIFIER AND TERMINAL NUMBERING CONVENTION SHALL CONFORM TO JESD 95-1
SPP-012. DETAILS OF TERMINAL #1 IDENTIFIER ARE OPTIONAL, BUT MUST BE LOCATED WITHIN THE
ZONE INDICATED. THE TERMINAL #1 IDENTIFIER MAY BE EITHER A MOLD OR MARKED FEATURE.
5. DIMENSION b APPLIES TO METALLIZED TERMINAL AND IS MEASURED BETWEEN 0.25 mm AND 0.30 mm
FROM TERMINAL TIP.
6. ND AND NE REFER TO THE NUMBER OF TERMINALS ON EACH D AND E SIDE RESPECTIVELY.
7. DEPOPULATION IS POSSIBLE IN A SYMMETRICAL FASHION.
8. COPLANARITY APPLIES TO THE EXPOSED HEAT SINK SLUG AS WELL AS THE TERMINALS.
9. DRAWING CONFORMS TO JEDEC MO220, EXCEPT EXPOSED PAD DIMENSION FOR T2855-1,
T2855-3 AND T2855-6.
PACKAGE OUTLINE
10. WARPAGE SHALL NOT EXCEED 0.10 mm.
16, 20, 28, 32, 40L, THIN QFN, 5x5x0.8mm
2
E
21-0140
2
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
10 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2004 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products.
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