Thin Film on Silicon 2QSP / 2NBS-XX6 R2R Ladder

Models 2QSP-XX6 and 2NBS-XX6
are obsolete and not recommended
for new designs.
CO
M
PL
IA
NT
Features
*R
oH
S
■
■
■
■
■
Lead free
RoHS compliant*
Resistor ladder in 1:2 ratio
Stable thin-film-on-silicon technology
Ultra-miniature packages to JEDEC
standards
Applications
■
■
■
Digital to analog converters
Successive approximation ADCs
Ideal for space-constrained applications
Thin Film on Silicon 2QSP / 2NBS-XX6 R2R Ladder
General Information
Package Schematic
16
The R2R Ladder Network is used in Digital to Analog and
Analog to Digital conversion. Binary weighted currents,
flowing in the individual ladder segments, depend on the
integrity of the R:2R relationship for an accurate conversion
result. Fabricated with Tantalum Nitride on Silicon, these
resistors feature excellent stability, TCR and tracking
performance. R2R Ladder Networks are available in a range
of miniature packages conforming to JEDEC standards.
15
14
13
12
11
10
9
2R
R
2R
E
T
E
L
O
S
B
O
1
2
3
4
5
6
7
8
Electrical & Environmental Characteristics
Electrical Characteristics
Resistance Range
Tolerance:
Absolute
Ratio
TCR:
Absolute
Tracking
Operating Voltage
Symbol
Minimum
Maximum
Unit
R
10
Nominal
50 K
Ω
±1 %
±0.5 %
±5 %
Ω
Ω
100
25
50
ppm/°C
ppm/°C
V
+125
+150
0.1
V
°C
°C
Watt
0.75
1.00
1.12
Watt
Watt
Watt
0.60
1.00
Watt
Watt
Environmental Characteristics
ESD
Operating Temperature
Storage Temperature
Power Rating per Resistor @ 70 °C
Power Rating per Package @ 70 °C:
QSOP:
16 Pin
20, 24 Pin
28 Pin
NBSOIC: 8 Pin
14, 16 Pin
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
TJ
Tstg
2K
-55
-65
Thin Film on Silicon 2QSP / 2NBS -XX6 R2R Ladder
Mechanical Characteristics
QSOP Package Dimensions
Narrow-Body SOIC Package Dimensions
A
.635
TYP.
(.025)
A
1.27
TYP.
(.050)
3.81 - 3.99
(.150 - .157)
3.81 - 3.99
(.150 - .157)
E
T
E
L
O
S
B
O
.21 - .31
(.008 - .012)
PIN 1
0.36 - 0.46
(.014 - .018)
PIN 1
1.35 - 1.75
(.053 - .069)
1.35 - 1.75
(.053 - .069)
.10 - .25
(.004 - .010)
.10 - .25
(.004 - .010)
0-8 °
.19 - .25
(.007 - .010)
0-8 °
5.80 - 6.20
(.228 - .244)
Model
2QSP16
2QSP20
2QSP24
2QSP28
4.80
8.56
8.56
9.80
-
5.80 - 6.20
(.228 - .244)
.41 - 1.27
(.016 - .050)
4.98
8.74
8.74
9.98
A
(.189
(.337
(.337
(.386
-
.196)
.344)
.344)
.393)
Governing dimensions are in mm. Dimensions in
parentheses are in inches and are approximate.
Model
2NBS08
2NBS14
2NBS16
.19 - .25
(.007 - .010)
.41 - 1.27
(.016 - .050)
A
4.80 - 4.98 (.189 - .196)
8.56 - 8.74 (.337 - .344)
9.80 - 9.98 (.386 - .393)
Governing dimensions are in mm. Dimensions in
parentheses are in inches and are approximate.
JEDEC Reference Number MS-012.
JEDEC Reference Number MO-137.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Thin Film on Silicon 2QSP / 2NBS -XX6 R2R Ladder
QSOP Package Power Temperature Derating Curve
1.0
.75
1.0
2QSP28
2QSP20, 2QSP24
WATTS
WATTS
1.25
2QSP16
.50
2NBS14, 2NBS16
.8
.6
2NBS08
.4
.2
.25
0
Narrow-Body SOIC Package Power Temperature Derating Curve
25
50
75
100
125
150
AMBIENT TEMPERATURE ( ° C )
0
25
50
75
100
125
150
AMBIENT TEMPERATURE ( ° C )
E
T
E
L
O
S
B
O
Schematic
2R
R
2R
8 PIN
14 PIN
16 PIN
20 PIN
24 PIN
28 PIN
Typical Part Marking
Standard Resistance Values
Represents total content. Layout may vary.
PIN COUNT
MODEL
QSP16J
6-103
YYWW
CIRCUIT
PIN 1 INDICATOR
(MOLDED INDENT)
GRADE
RESISTANCE
CODE
DATE CODE
MANUFACTURER'S
TRADEMARK
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
R1
Value
(ohms)
R2
Value
(ohms)
Resistance
Code
10 K
25 K
20 K
50 K
103
253
Thin Film on Silicon 2QSP / 2NBS -XX6 R2R Ladder
Dispensing
For large quantities, the product will be dispensed in Tape and Reel (see diagram below).
A0
DIMENSIONS = MM (INCHES)
E
T
E
L
O
S
B
O
B0
Package
QSOP
16 Pin
20, 24 Pin
28 Pin
NBSOIC
8 Pin
14 Pin
16 Pin
How To Order
K0
No. of Pieces No. of Pieces
per 13 reel
per tube
A0
B0
K0
Width
Pitch
6.4 (0.252)
6.5 (0.256)
6.5 (0.256)
5.2 (0.205)
9.0 (0.354)
10.3 (0.406)
2.1 (0.083)
2.1 (0.083)
2.1 (0.083)
12 (0.472)
16 (0.630)
16 (0.630)
8 (0.315)
8 (0.315)
8 (0.315)
3,500
3,500
3,500
98
56
49
6.4 (0.252)
6.5 (0.256)
6.5 (0.256)
9.0 (0.354)
9.0 (0.354)
9.0 (0.354)
2.1 (0.083)
2.1 (0.083)
2.1 (0.083)
12 (0.472)
16 (0.630)
16 (0.630)
8 (0.315)
8 (0.315)
8 (0.315)
3,500
3,500
3,500
98
56
49
2 QSP 20 - T J 6 - 103 LF
Product Class
Thin-Film-on-Silicon
Standard Package Style
QSP = QSOP
NBS = Narrow-Body SOIC
Pin Count
QSP = 16, 20, 24, 28
NBS = 8, 14, 16
Dispensing
R = Reel
T = Tube
Standard Grade
Tolerance
J=
±5 %
G=
±2 %
F=
±1 %
Asia-Pacific:
Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
Europe:
Tel: +41-41 768 5555 • Fax: +41-41 768 5510
The Americas:
Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
Circuit
6 = R/2R Ladder
Resistance Value Code
1st three digits specify R1 resistance code.
Terminations
• LF = 100 % Sn (lead free)
11/10
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.