100 Ω
100 Ω
Q
ECL
/Q
Q1
Q2
150 Ω
1 kΩ
1 kΩ
100 Ω
Q3
240 Ω
-5.2 V
Analog
Signal
Si 581
100 Ω
-15 V
Q4
Q1 & Q2: LS3250
Q3 & Q4: LS3550
240 Ω
50 Ω
SD5000
CH
100 pF
Output
±3 V
Figure 20. Fast S/H Circuit Achieves Minimum Step Errors
SD5000 9
12
RFB
IOUT
12 Bit DAC
8
5
1
4
16
13
-
OP-27
+
VOUT
T/H
Figure 21. DAC Deglitcher Using DMOS Switches
Part Number
Package
SD210DE
TO-72
SD214DE
TO-72
SD/SST211
TO-72/SOT-143
SD/SST213
TO-72/SOT-143
SD/SST215
TO-72/SOT-143
SD5000N
PDIP
SD5001N
PDIP
SD5000I
CDIP
SD5400CY
SOIC
SD5401CY
SOIC
SD/SST823 3
TO-72/SOT-143
SD/SST824 3
TO-72/SOT-143
3 Future devices available Q1 2003
Type
Single
Single
Single
Single
Single
Quad
Quad
Quad
Quad
Quad
Single
Single
Zener
Protection
None
None
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
rDS(on) (Ω)
45
45
45/50
45/50
45/50
70
70
70
75
75
5
5
V(BR)DS Min
(V)
30
20
30
10
20
20
10
20
20
10
15
20
Table 3. DMOS Device Part Numbers and Packages
11
Linear Integrated Systems, Inc. ● 4042 Clipper Ct. ● Fremont, CA 94538 ● Tel: 510 490-9160 ● Fax: 510 353-0261