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High-Speed Analog N-Channel DMOS FETs Improved On -Resistance
SD310 / SD312 / SD314
FEATURES DESCRIPTION
CORPORATION
* High Input to Output Isolation . . . . . . . . . . . . . . . . 120dB * Low On Resistance . . . . . . . . . . . . . . . . . 15 Ohms @ 15V Feedthrough * Low Capacitance: and Feedback Transients * Low * * * * * * * * * *
The Calogic SD310 is a 30V analog switch driver without a built-in protection diode from gate to substrate for use with SD312 and SD314 DMOS analog switches. The SD312 is a high performance, high-speed, high-voltage, and low resistance analog switch capable of switching 5V signals. The maximum threshold of 2V permits simple direct TTL an CMOS driving for small applications. The SD314 is DMOS analog switch capable of switching 10V analog signals with all other parameters identical to those of SD312. All three devices are manufactured with an implanted high-speed, high-voltage, and low resistance double-diffused MOS (DMOS) process. SD310, SD312 and SD314 devices also have no built-in protection diode to enhance performance in high impedance circuits. The devices are available in 4-lead hermetic TO-72 package and in die form for hybrid applications. Custom devices based on SD310, SD312 and SD314 can also be ordered. ORDERING INFORMATION Part SD310DE SD312DE SD314DE XSD310 XSD312 XSD314 Package Hermetic TO-72 Package Hermetic TO-72 Package Hermetic TO-72 Package Sorted Chips in Carriers Sorted Chips in Carriers Sorted Chips in Carriers Temperature Range -55oC to +125oC -55oC to +125oC -55oC to +125oC -55oC to +125oC -55oC to +125oC -55oC to +125oC
-- Input (Gate) . . . . . . . . . . . . . . . . . . . . . . . . . . 2.4pF typ. -- Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3pF typ. -- Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3pF typ. No Protection Diode from Gate to Substrate for very high impedance applications Maximum Gate Voltage . . . . . . . . . . . . . . . . . . . . . . . 40V
APPLICATIONS SD310: Analog Switch Driver SD312 and SD314: Analog Switches High-Speed Digital Switches Multiplexers A to D Converters D to A Converters Choppers Sample & Hold
SCHEMATIC DIAGRAM (Top View)
BODY AND CASE SOURCE 1 4
TO-72
DRAIN
2
3
GATE
G C D S
Body is internally connected to the case
CD10-2
SD310 / SD312 / SD314
CORPORATION
ABSOLUTE MAXIMUM RATINGS Drain Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA Total Device Dissipation at 25oC Case Temperature . . . 1.2W Storage Temperature Range . . . . . . . . . . . . . . -65o to +200oC Lead Temperature (1/16" from case for 10 sec.). . . . . . 300oC Operating Temperature Range . . . . . . . . . . . -55oC to +125oC
PARAMETER VDS VSD VDB VSB VGS VGB VGD Drain-to-source Source-to-drain* Drain-to-body Source-to-body Gate-to-source Gate-to-body Gate-to-drain
SD310 SD312 SD314 +30 +10 +30 +15 40 40 40 +10 +10 +15 +15 40 40 40 +20 +20 +25 +25 40 40 40
UNIT Vdc Vdc Vdc Vdc Vdc Vdc Vdc
DC ELECTRICAL CHARACTERISTICS (TA = 25oC, unless other specified.)
SYMBOL PARAMETER SD310 SD312 SD314 UNITS TEST CONDITIONS
MIN TYP MAX MIN TYP MAX MIN TYP MAX BREAKDOWN VOLTAGE BVDS BVSD BVDB BVSB Drain-to-source Source-to drain Drain-to-body Source-to-body 30 10 10 15 15 35 25 10 10 15 15 25 20 20 25 25 25 V VGS = VBS = 0V, ID = 10A VGS = VBS = -5V, IS = 10nA VGD = VBD = -5V, ID = 10nA VGB = 0V, source OPEN, ID = 10nA VGB = 0V, drain OPEN, IS = 10A
LEAKAGE CURRENT IDS (OFF) Drain-to-source 1 10 1 10 1 ISD (OFF) IGBS VT Source-to-drain Gate Threshold voltage Drain-to-source resistance 0.5 1.0 30 rDS (ON) 20 15 1 10 1 10 1 0.1 2.0 50 35 25 0.5 1.0 30 20 15 0.1 2.0 50 35 0.5 1.0 30 20 15 10 0.1 2.0 50 35 V 10 nA VGS = VBS = -5V, VDS = +10V VGS = VBS = -5V, VDS = +20V VGS = VBD = -5V, VSD = +10V VGS = VBD = -5V, VSD = +20V VDB = VSB = 0V, VGS = 40V VDS = VGS = VT, I S = 1A, VSB = 0V ID = 1.0mA, VSB = 0, VGS = +5V ID = 1.0mA, VSB = 0, VGS = +10V ID = 1.0mA, VSB = 0, VGS = +15V
AC ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER Forward transconductance SD310 SD312 SD314 UNITS TEST CONDITIONS VDS = 10V, VSB = 0V, I D = 20mA, f = 1kHz
MIN TYP MAX MIN TYP MAX MIN TYP MAX gfs 15 20 15 20 15 20 mmhos
SMALL SIGNAL CAPACITANCES (See capacitance model) C(GS+GD+GB) C(GD+DB) C(GS+SB) CDG Gate node Drain node Source node Reverse transfer 2.4 1.3 3.5 0.3 3.7 1.7 4.5 0.7 2.4 1.3 3.5 0.3 3.7 1.7 4.5 0.7 2.4 1.3 3.5 0.3 3.7 1.7 4.5 0.7 pF VDS = 10V, f = 1MHz VGS = VBS = -15V
SD310 / SD312 / SD314
CORPORATION
Package Dimensions TO-72
.230 .209 (5.84) (5.31)
.195 .178 (4.95) (4.53)
.210 .170 (5.33) (4.32)
.030 (.76) 4 LEADS .500 (12.70)
.021 .016 (.53) (.41) .046 .036 (1.16) (.91) .100 (2.54) 0.50 (1.27) 45
o
BOTTOM VIEW
.048 .028 (1.21) (.72)
TO-72

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