LTC2704
19
2704fd
DIGITAL RETURN CURRENTS
FLOW IN THIS REGION
2704 F05
V
OUTA
AND V
OUTB
LOAD
RETURN CURRENTS FLOW
IN THIS REGION WHEN
JP8 IS SET TO “TIE”
V
OUTC
AND V
OUTD
LOAD
RETURN CURRENTS FLOW
IN THIS REGION WHEN
JP9 IS SET TO “TIE”
POWER AND LOAD RETURN
CURRENTS FLOW IN THIS REGION
SMALL GROUND POUR ALLOWS
LOW IMPEDANCE BYPASSING
OF V
+
AND V
2704 F06
Figure 5. DC752A Load Return, Power Return and Digital Return
Figure 6. DC752A Routing, Bypass
APPLICATIONS INFORMATION
LTC2704
20
2704fd
PACKAGE DESCRIPTION
G44 SSOP 0204
0° – 8° TYP
0.355
REF
0.231 – 0.3175
(.0091 – .0125)
0.40 – 1.27
(.015 – .050)
7.417 – 7.595**
(.292 – .299)
=
45°
0.254 – 0.406
(.010 – .016)
2.286 – 2.388
(.090 – .094)
0.1 – 0.3
(.004 – .0118)
2.44 – 2.64
(.096 – .104)
0.800
(.0315)
BSC
0.28 – 0.51
(.011 – .02)
TYP
17.73 – 17.93*
(.698 – .706)
123456789101112131415161718192021
10.11 – 10.55
(.398 – .415)
22
44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.152mm (0.006") PER SIDE
*
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.254mm (0.010") PER SIDE
**
MILLIMETERS
(INCHES)
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
10.804 MIN
RECOMMENDED SOLDER PAD LAYOUT
7.75 – 8.258
2344
221
0.800 BSC0.520 ±0.0635
1.40 ±0.127
GW Package
44-Lead Plastic SSOP (Wide .300 Inch)
(Reference LTC DWG # 05-08-1642)
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.
LTC2704
21
2704fd
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
REVISION HISTORY
REV DATE DESCRIPTION PAGE NUMBER
B 10/09 Title Change to Block Diagram
Electrical Characteristics Text Changes to Analog Outputs Section
Text and Figure Deletion in Operation Section
1
3
16
C 08/10 Revised Note 1 to remove power supply sequencing reference
Changed “DAC A” to DAC n in Table 1
5
12
D 12/12 Corrected Output Noise Voltage Density Units From µV/√Hz to nV/√Hz 4
(Revision history begins at Rev B)

LTC2704IGW-14#TRPBF

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Digital to Analog Converters - DAC Quad 14-bit, SPI SoftSpan Vout DAC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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