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EDGE6435 Schematic ( PDF Datasheet ) - Semtech Corporation

Teilenummer EDGE6435
Beschreibung (EDGE6435 / EDGE6436) Per-Pin Electronics Companion DAC
Hersteller Semtech Corporation
Logo Semtech Corporation Logo 




Gesamt 40 Seiten
EDGE6435 Datasheet, Funktion
TESwTwwA.DNatDaShMeetE4UA.cSomUREMENT PRODUCTS
Description
Edge6435/6436
Per-Pin Electronics
Companion DAC
The Edge6435/6436 is a low-cost, 40-channel, monolithic The Edge6435/6436 features 2 ranks of input latches
ATE level DAC solution manufactured in a wide-voltage into each DAC, whereby all DAC values may be updated
bi-CMOS process.
at one time.
The Edge6435/6436 features independent buffered
voltage and current outputs that are serially programmed
and can be used to provide all of the reference levels
required for up to 8 channels of pin electronics in an ATE
system.
Designated Voltage Output DACs
– Wide Voltage Range (16.75V)
– Adjustable Full-Scale Range
– Adjustable Minimum Offset Voltage
– 13-bit Resolution
– 11-bit Accuracy (E6436)
– 10-bit Accuracy (E6435)
Selectable Voltage/Current Output DACs
– Wide Voltage/Current Range (16.75V/2 mA)
– Adjustable Full-Scale Range
– Adjustable Minimum Offset
– Configurable as either Voltage or Current Output
– 13-bit Resolution
– 11-bit Accuracy (E6436)
– 10-bit Accuracy (E6435)
Designated Current Output DACs
– 1.6 mA Range
– Adjustable Full-Scale Range
– 6-bit Resolution
For Automated Test Equipment, the Edge6435/6436 can
support Pin Electronics and Parametric Measurement Units
whose outputs are in the range of –3.25V to +13V, and
Driver Super Voltages to +13V after calibration. It provides
10 or 5 per pin levels for 4 or 8 channels respectively.
The Edge6435/6436 is designed such that DACs may be
shared for various levels whereby minimizing the total
number of DACs required in a specific application.
Features
• 40 DACs Partitioned into 4 Groups for 4 or 8
Pin Channels
• Wide Voltage Output Range (16.75V Range)
• 24 Voltage DACs per Package
• 8 Voltage / Current DACs per Package
• 8 Current DACs per Package
• Adjustable Full-Scale Range and Offset per Group
• DUT GND or Analog GND Reference per Group
• Self-Calibrating DACs via Internal Offset,
Gain Registers
• Two Offset, Gain Registers to Support Sharing of
DACs
• DAC Programming per Channel or Set of Channels
• Readback of DAC Input Data and Output Value
• Small 100-Pin MQFP Package
• Low-Cost, Highly Integrated Multi-DAC Solution
On-chip, digital storage of offset and gain calibration
coefficients allow the E6435/6436 output levels to be
programmed using “Ideal Code”, helping to reduce some
of the complexity and time normally associated with
programming level DACs in ATE systems.
Applications
PINCAST allows the Edge6435/6436 to further reduce
this complexity and time by allowing channels across
multiple Edge6435/6436 devices to be digitally assigned
to up to 8 distinct sets that can be addressed and
programmed with a limited number of instructions.
• Automated Test Equipment (ATE)
• Cost Sensitive applications requiring multiple
programmable voltage and currents
Revision 3 / August 25, 2006
1
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EDGE6435 Datasheet, Funktion
TEST AND MEASUREMENT PRODUCTS
PINwwDwe.DsatcaSrihpeetti4oUn.co(mcontinued)
Edge6435/6436
IOUTD_2
AVEE
AVEE
VREF
R_IGAIN_D
DACEN
RESET*
SHIFTOUT*
UPDATE
STORE
FORMAT
SDIN
LD_OUT
CLKIN
LOAD
TEST_MODE
SDOUT
IOUTD_0
IOUTD_1
AGND
AVDD
AVEE
R_OFFSET_B
R_VGAIN_B
AGND
AVDD
AVEE
AVEE
AVCC
VOUTB_0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Edge6435AHF
100 Lead - 14 x 20 MQFP
with Internal Heat Spreader
(Top View)
80 VOUTA_13
79 VOUTA_14
78 VOUTA_15
77 AVEE
76 AVCC
75 AGND
74 AVDD
73 AVEE
72 R_OFFSET_A
71 R_VGAIN_A
70 R_MASTER
69 VREF
68 DGND
67 DVDD
66 RANK
65 DVDD
64 DGND
63 VREF
62 R_IGAIN_C
61 AVEE
60 AVDD
59 AGND
58 AVCC
57 AVEE
56 R_VGAIN_C
55 R_OFFSET_C
54 DAC_OUT
53 VOUTC_7
52 IOUTC_7
51 IOUTC_6
2006 Semtech Corp. / Rev. 3, 8/25/06
6
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6 Page









EDGE6435 pdf, datenblatt
TEST AND MEASUREMENT PRODUCTS
Circwuwwit.DDataeSshecert4ipU.tcioomn (continued)
Edge6435/6436
STORE
UPDATE
RANK
DACEN
Decode and Individual DAC Update
C
R
DACSEL0
DACSEL1
C
R
R
C
S
DD
UPDATEA
DD
UPDATEA
A
DB
DAC0
A
DB
DAC1
VOUTA_0
VOUTA_1
FORMAT
LOAD
CLKIN
SDIN
RESET*
ADDRESS AND SET
DECODERS
DISABLE
D7-D0
R
11
DD
UPDATEA
RR
13
A
DAC39
DB
R
CR
CENTRAL REGISTER
LCLK (24 Bits)
RESET
24-BIT SHIFT REGISTER
S RESET
Programming Logic
NOTE: VOUT, IOUT names shown for 4 Channel Format.
NOTE: Not shown is the function of the Latched Data Readback (via LDOUT) and the
DAC Value Readback (via DACOUT). Details of the 'Store' Latches are shown on the following pages.
IOUTD_3
LDOUT
SDOUT
DACOUT
Figure 1. DAC Functional Block Diagram
2006 Semtech Corp. / Rev. 3, 8/25/06
12
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12 Page





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