MAXIM DG308A, DG309 Technical data

19-3926; Rev 0; 3/91

Quad, SPST Analog Switches

_______________General Description

The DG308A/DG309 are quad, single-pole-single-throw
(SPST) analog switches. The DG308A is normally open
(SPST, NO), while the DG309 is normally closed (SPST,
NC). Both parts feature fast switching speeds and low on­resistance over the analog range. Other features include a
turn-on time under 120ns, a turn-off time under 90ns, and a
channel on-resistance of 60Ω. CMOS inputs provide
reduced input loading and very low leakage currents.

Both parts feature a 44V maximum breakdown voltage rat­ing that allows 30V peak-to-peak switch-off blocking
capacity. The DG308A/DG309 can be used with split sup­plies (±5V to ±20V) or a single positive supply (+5V to
+30V), while retaining CMOS-logic-compatible inputs.

________________________Applications

Sample-and-Hold Circuits
Test Equipment
Communications Systems
PBX, PABX
Guidance and Control Systems
Heads-Up Displays
Military Radios

____________________________Features

♦ 60Ω r

DS(ON)

♦ Single/Bipolar-Supply Operation
♦ CMOS Logic Compatible
♦ Monolithic, Low-Power CMOS Design

______________Ordering Information

PART

DG308ACJ

DG308ACY
DG308ACK 0°C to +70°C
DG308AC/D 0°C to +70°C Dice*
DG308ADJ
DG308ADY
DG308ADK -40°C to +85°C
DG308AAK -55°C to +125°C 16 CERDIP**
DG309CJ
DG309CY
DG309CK 0°C to +70°C
DG309C/D 0°C to +70°C Dice*
DG309DJ
DG309DY
DG309DK -40°C to +85°C
DG309AK -55°C to +125°C 16 CERDIP**

* Contact factory for dice specifications.

** Contact factory for availability and processing to MIL-STD-883.

TEMP. RANGE PIN-PACKAGE

0°C to +70°C
0°C to +70°C

-40°C to +85°C 16 Plastic DIP

-40°C to +85°C

0°C to +70°C 16 Plastic DIP
0°C to +70°C

-40°C to +85°C 16 Plastic DIP

-40°C to +85°C

16 Plastic DIP
16 Narrow SO
16 CERDIP

16 Narrow SO
16 CERDIP

16 Narrow SO
16 CERDIP

16 Narrow SO
16 CERDIP

DG308A/DG309

__________Typical Operating Circuit

VIN ±10V

* PINS 1, 8, 9, AND 16 ARE LOGIC-CONTROL INPUTS.

2

DG308A

3

-15V +15V

10k 20k

DG309

4
5
6
7
8

**

PROGRAMMABLE-GAIN AMPLIFIER

________________________________________________________________

1

**

5k

16
15
14
13
12
11
10

9

40k

5k

V

OUT

______Pin Configuration/Truth Table

TOP VIEW

IN1

1
2

D1
S1

3
4

V-

5

GND

6

S4
D4

7

IN4

8

TRUTH TABLE

LOGIC DG308A

0
1

DG308A

DG309

DIP/SO

OFF

ON

Maxim Integrated Products

IN2

16

D2

15

S2

14
13

V+ (SUBSTRATE)
N.C.

12
11

S3

10

D3

9

IN3

DG309

ON

OFF

1

For free samples & the latest literature: http://www.maxim-ic.com, or phone [phone]

Quad, SPST Analog Switches

ABSOLUTE MAXIMUM RATINGS

Voltage Referenced to V-

V+ ....................................................................................+44V

GND.................................................................................+25V

Digital Inputs V

Current into Any Terminal (except S or D)..........................30mA

Continuous Current (S or D)................................................20mA

Peak Current (S or D)

(pulsed at 1ms, 10% duty cycle max) ............................70mA

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.

, VD................(V- - 2V) to (V+ + 2V) or 20mA,

S

whichever occurs first

Continuous Power Dissipation (TA= +70°C) (Note 1)

Plastic DIP (derate 10.53mW/°C above +70°C)............842mW

Narrow SO (derate 8.70mW/°C above +70°C) .............696mW

CERDIP (derate 10.00mW/°C above +70°C)................800mW

Operating Temperature Ranges

DG308AC_/DG309C_.........................................0°C to +70°C

DG308AD_/DG309D_......................................-40°C to +85°C

DG308AAK/DG309AK...................................-55°C to +125°C

Storage Temperature Range.............................-65°C to +150°C

Lead Temperature (soldering, 10sec).............................+300°C

DG308A/DG309

ELECTRICAL CHARACTERISTICS

(V+ = 15V, V- = -15V, TA= T

SWITCH

Analog Signal Range

Drain-Source
On-Resistance

Source-Off
Leakage Current

Drain-Off
Leakage Current

Drain-On
Leakage Current

INPUT

Input Current with
Input Voltage High

Input Current with
Input Voltage Low

SYMBOLPARAMETER

ANALOG

r

DS(ON)

I

S(OFF)

I

D(OFF)

I

D(ON)

INH

INL

to T

MIN

, unless otherwise noted.) (Note 2)

MAX

VIN= 11V (DG308A),
VIN= 3.5V (DG309),
IS= 1mA,
VD= 10V or -10V

VIN= 3.5V (DG308A),
VIN= 11V (DG309),
VS= 14V, VD= -14V

VIN= 3.5V (DG308A),
VIN= 11V (DG309),
VS= -14V, VD= 14V

VIN= 3.5V (DG308A),
VIN= 11V (DG309),
VS= 14V, VD= -14V

VIN= 3.5V (DG308A),
VIN= 11V (DG309),
VS= -14V, VD= 14V

VIN=11V (DG308A),
VIN= 3.5V (DG309),
VS= VD= +14V

VIN= 11V (DG308A),
VIN= 3.5V (DG309),
VS= VD= -14V

VIN= 15V

VIN= 0V

CONDITIONS

TA= +25°C

= +25°C,

T

A

T

MIN

TA= T

MAX

TA= +25°C
TA= T

MAX

TA= +25°C
TA= T

MAX

TA= +25°C
TA= T

MAX

TA= +25°C
TA= T

MAX

TA= +25°C
TA= T

MAX

TA= +25°C
TA= T

MAX

TA= +25°C,
T

MAX

TA= +25°C,
T

MAX

DG30_AK

MIN TYP MAX

60 100

95 150

-1 0.1 1

-100 100

-1 -0.1 1

-100 100

-1 0.1 1

-100 100

-1 0.1 1

-100 100

-2 0.1 2

-200 200

-2 0.1 2

-200 200

DG30_C/D

MIN TYP MAX

-15 15
60 100

80 125

-5 0.1 5

-100 100

-5 0.1 5

-100 100

-5 0.1 5

-100 100

-5 0.1 5

-100 100

-5 0.1 5

-200 200

-5 0.1 5

-200 200

-1 0.001 1

-1 0.001 1

UNITS

V-15 15V

Ω

nA

nA

nA

µA-1 0.001 1I

µA-1 -0.001 1I

2 _______________________________________________________________________________________