DSM Datasheet, PDF (1/5 Pages) Vishay Siliconix – High Precision Bulk Metal® Foil Surface Mount Voltage Divider

DSM
Vishay Foil Resistors
High Precision Bulk Metal^® Foil Surface Mount Voltage Divider,
TCR Tracking of < 0.5 ppm/°C, Tolerance Match of 0.01 %
and Stability of ± 0.005 % (50 ppm)
FEATURES
Any value at any ratio available within resistance range
INTRODUCTION
Bulk Metal^® Foil Technology out-performs all other resistor
technologies available today for applications that require High
Precision and High Stability.
This technology has been invented, patented and pioneered
by Vishay. Products based on this technology are the most
suitable for a wide range of appilcations.
BMF technology allows to produce customer oriented
products designed to satisfy challenging and specific
technical requirements. Model DSM offers Low TCR (both
absolute and tracking), Excellent Load Life Stability, Tight
tolerance, Excellent Ratio Stability, and Low Current Noise,
all in one package.
The DSM surface mount divider provides a matched pair of
• Temperature Coefficient of Resistance (TCR):
Absolute: ± 2 ppm/°C typical
(- 55 °C to + 125 °C, + 25 °C Ref.)
Tracking: 0.5 ppm/°C typical
T _{• Tolerance: Absolute: ± 0.02 %; Match: 0.01 %}
Pb-free
Available
RoHS*
COMPLIANT
• Power Rating at 70 °C: Entire Package: 0.1 W
C ^{Each Resistor: 0.05 W}
• Ratio Stability: 0.005 % (0.05 W at 70 °C, 2000 hours)
• Resistance Range: 100 Ω to 20 kΩ per resistor
U _{• Large Variety of Resistance Ratios: 1:200}
• Electrostatic Discharge (ESD) above 25 000 Volts
D ^{• Short Time Overload ≤ 0.005 %}
• Non Inductive, Non Capacitive Design
• Rise Time: 1.0 ns without ringing
O _{• Current Noise: < - 40 dB}
• Voltage Coefficient: < 0.1 ppm/V
• Non Inductive: < 0.08 µH
R _{• Non Hot Spot Design}
P^{• Terminals: silver coated copper alloy}
Bulk Metal^® Foil Resistors in a small epoxy molded package.
The electrical specification of this integrated construction
offers improved performance and better real estate utilization
over discrete resistors and matched pairs.
D _{Our Application Engineering Department is available to}
advise and make recommendations. For non-standard
technical requirements and special applications, please
E _{contact us.}
V _{FIGURE 1 - SCHEMATIC}
O_R1
OPTION 1
SAME OHMIC VALUE,
R _{SAME ABSOLUTE TOLERANCE}
R2
OPTION 2
RESISTOR PAIR
R₁/R₂ - DIFFERENT VALUES
• Any value available within resistance range (e.g. 1K2345)
• Prototype samples available from 48 hours. For more
information, please contact [e-mail]
• For better performances, please see DSMZ datasheet
(Z-Foil)
APPLICATIONS
R2
• Instrumentation amplifiers
• Bridge networks
• Differential amplifiers
R1
Vin
-
+
Vout
• Ratio arms in bridge circuits
DSM
• Medical and test equipment
• Military
• Airborne etc.
P _{TABLE 1 - MODEL DSM SPECIFICATIONS}
ABSOLUTE TCR
MODEL (- 55 °C TO + 125 °C, + 25 °C REF.)
IM^{TYPICAL + MAX. SPREAD}
RESISTANCE
RATIO
TCR TRACKING
TOLERANCE
ABSOLUTE
MATCH
R1/R2 = 1
1.0 ppm/°C
± 0.02 %
0.01 %
DSM
± 2 ppm/°C ± 3 ppm/°C
1 < R1/R2 ≤ 10
2.0 ppm/°C
± 0.05 %
0.02 %
10 < R1/R2 ≤ 200
3.0 ppm/°C
± 0.1 %
0.05 %
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 63088
Revision: 05-Jun-07
For any questions, contact: [e-mail]
www.vishay.com
1