PPMU Circuit AD53508 device provides remote force/sense capabilit

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PPMU Circuit AD53508 device provides remote force/sense capabilit

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FEATURES Dual Measurement Channels Precision Four-Quadrant-Per-Pin Source Programmable Current Force Ranges 204.8 2.048 Five Current Measurement Ranges 204.8 2.048 Output Voltage Range: Power Supplies: 44-Lead Plastic J-Leaded Chip Carrier Package APPLICATIONS Used with AD53032 Extend Current Force Range GENERAL DESCRIPTION
PPMU Circuit AD53508
device provides remote force/sense capability ensure accuracy tester pin. guard output available drive shield force/sense pair. input references channel permit controlled switching different voltage current levels. forced voltage current levels switched back measurement system read back analog levels system calibration. circuit powered supplies dissipates nominally.
Recommended PPMU with AD53032
AD53508 custom dual-channel parametric measurement circuit semiconductor automatic test equipment. contains programmable modes force voltage measure current integrate hold current value. Alternatively, current forced compliance voltage measured.
PPMU used with AD53032 extend Current Force Range beyond VCOM maximum spec allowance which would allow maximum Current Force combination PPMU would have benefits including: Accurately measuring currents. take parallel measurements using pin.
FUNCTIONAL BLOCK DIAGRAM
MAIN +2.5V OUTPUT MEAS 1.25R GUARD GUARD 1.25R DIFF INTEGRATE 40pF INT/IM
SENSE
AD53508
DAC1 DAC2 ENABLE
SENSE
FORCE
UNITY
REV.
Information furnished Analog Devices believed accurate reliable. However, responsibility assumed Analog Devices use, infringements patents other rights third parties that result from use. license granted implication otherwise under patent patent rights Analog Devices. Technology Way, P.O. 9106, Norwood, 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 Analog Devices, Inc., 2001
AD53508-SPECIFICATIONS rated power supplies unless otherwise noted.)
Parameter VOLTAGE FORCE/MEASURE MODE Voltage Swing, Range Drive Drive ACCURACY Gain 0.1% Tolerance) Offset Error Gain Nonlinearity (Relative Endpoints) Current Measure CMRR MEAS_OUT) DRIFT Gain Error Temperature Coefficient Offset Drift CURRENT FORCE/MEASURE MODE RANGES (High) (Low) ACCURACY-HIGH RANGE Transconductance Tolerance) Transresistance Tolerance) Offset Error Gain Nonlinearity (Relative Endpoints) Output Compliance Voltage-Induced Transconductance/Error DRIFT-HIGH RANGE Gain Error Temperature Coefficient Offset Drift ACCURACY-LOW RANGE Transconductance Tolerance) Transresistance Tolerance) Offset Error Gain Nonlinearity (Relative Endpoints) Output Compliance Voltage-Induced Transconductance/Error DRIFT-LOW RANGE Gain Error Temperature Coefficient Offset Drift CURRENT MEASURE INTEGRATE MODE RANGES High Medium ACCURACY-HIGH RANGE Transresistance Error Tolerance) Offset Error Gain Nonlinearity (Relative Endpoints) Output Compliance Voltage-Induced Transresistance Error DRIFT-HIGH RANGE Gain Error Temperature Coefficient Offset Drift ACCURACY-MEDIUM RANGE Transresistance Error Tolerance) Offset Error Gain Nonlinearity (Relative Endpoints) Output Compliance Voltage-Induced Transresistance Error DRIFT- MEDIUM RANGE Gain Error Temperature Coefficient Offset Drift
Condition
Unit1
0.999
1.001 0.02 0.31
Span mV/V MV)/°C µV/°C
Force Mode Measure Mode
0.776 1.21
1.25
0.824 1.29 0.05 +0.4 +10/-60
mA/V V/mA Span µA/V MV)/°C nA/°C µA/V V/mA Span µA/V MV)/°C nA/°C
Force Mode
-0.2
Force Mode Measure Mode
77.6 12.1
12.5
82.4 12.9 0.05 +0.04 +10/-60
Force Mode
-0.02
20.0 0.121 0.125 0.129 0.05 1.21 1.25 1.29 0.05 0.25
V/µA Span nA/V Output MV/°C nA/°C V/µA Span nA/V Output MV/°C pA/°C
REV.
AD53508
Parameter ACCURACY-LOW RANGE Transresistance Error Tolerance) Offset Error Gain Nonlinearity (Relative Endpoints) Output Compliance Voltage-Induced Transresistance Error DRIFT-LOW RANGE Gain Error Temperature Coefficient Offset Drift DISABLE MODE2 Voltage Swing, Range Drive Drive ACCURACY Gain 0.1% Tolerance) Offset Error Gain Nonlinearity (Relative Endpoints) Current Measure CMRR MEAS_OUT) DRIFT Gain Error Temperature Coefficient Offset Drift OTHER SPECIFICATIONS Power Supply Rejection Ratio kHz, kHz, TAMB 70°C 0.02 CLOAD CLOAD 2000 ZLOAD CLOAD Output Except Guards 14.0 -10.5 4.75 15.0 -10.0 15.75 -9.0 5.25 Condition 0.0121 0.0125 0.0129 0.05 0.025 Unit1 V/nA Span nA/V Output MV/°C pA/°C
0.999
1.001 0.02 0.31
Span mV/V MV)/°C µV/°C Span
CURRENT MEASURE HOLD MODE LEAKAGE CROSSTALK
SETTLING TIMES 0.01% Voltage Force Guard Voltage Current Force (200 Range) MEAS_OUT SHORT CIRCUIT CURRENT LIMIT MAGNITUDE GUARD LIMIT MAGNITUDE GUARD OFFSET (FROM SENSE INPUT PIN) (DAC1, DAC2) CURRENT DIGITAL INPUTS (Input leakage current) POWER SUPPLIES (Positive Analog Supply Voltage) (Negative Analog Supply Voltage) (Logic Supply Voltage) (Positive Analog Supply Current) (Negative Analog Supply Current) (Logic Supply Current with Inputs Rails, Worst Case NOTES
Programmed Value, Measured Value, Full-Scale Range span. Output connected: DAC2 range selected, unconditionally. both channels current force mode; other channel output voltage swinging rail rail. Specifications subject change without notice.
REV.
AD53508
ABSOLUTE MAXIMUM RATINGS*
25°C unless otherwise noted)
FUNCTION DESCRIPTIONS Name Description Reference Input First Switchable Inputs Second Switchable Inputs External Common External Capacitor External Resistor External Resistor Sense Input Force Output Guard Drive Output Measurement Output Analog Supply Connect Measure Output Analog Supply Force (When (When Control Input Select DAC1 (When DAC2 Control Input Control Input Select Range (Active Select Range (Active Measure Forced Voltage Current Connect Drive (Active Connect Drive (Active Select Range (Active Select Range (Active Control Input Control Input Select DAC1 (When DAC2 Control Input Force (When (When Digital Ground Connect Measure Output Digital Supply Measurement Output Guard Drive Output Force Output Sense Input External Resistor External Resistor External Capacitor External Common Second Switchable Inputs First Switchable Inputs
Unit Condition
DGND Digital Inputs DGND Power Dissipation Operating Temperature Range Storage Temperature Lead Temperature Force/Sense Outputs -0.3 -0.3 -0.3 -0.3
+26.4 +26.4 VCC+0.3
75°C
+125 VEE-0.8 VCC+0.8
Soldering sec) Whichever Less
*Stresses above those listed under Absolute Maximum Ratings cause permanent damage device. These stress ratings only; functional operation device these other conditions above those indicated operational sections this specification implied. Exposure absolute maximum rating conditions extended periods affect device reliability.
ORDERING GUIDE
Model AD53508JP
Temperature Range 25°C 70°C
Package Description Plastic Leaded Chip Carrier
Package Option P-44A
CONFIGURATION
DAC1 DAC2 DAC2 DAC1
IDENTIFIER
SENSE FORCE GUARD MEAS FORCE FORCE DAC1
SENSE FORCE GUARD
AD53508
VIEW (Not Scale)
MEAS DIGGND FORCE FORCE DAC1
ACTIVE
DSR_2.5 DAC2_A DAC1_A EXT_RC_A C1_A R1_A R2_A SENSE_A FORCE_A GUARD_A MEAS_OUT_A M_CON_A* FORCE_I_A* FORCE_EN_A* DAC1_SEL_A* INTEG_A* HOLD_A* I_RANGE0_A* I_RANGE1_A* VERIFY* OUTPUT_CON_A* OUTPUT_CON_B* I_RANGE1_B* I_RANGE0_B* HOLD_B* INTEG_B* DAC1_SEL_B* FORCE_EN_B* FORCE_I_B* DIGGND M_CON_B* MEAS_OUT_B GUARD_B FORCE_B SENSE_B R2_B R1_B C1_B EXT_RC_B DAC1_B DAC2_B
VERIFY*
HOLD RANGE0
OUTPUT
OUTPUT
RANGE1
RANGE1
RANGE0 HOLD
INTEG
INTEG
Active CAUTION (electrostatic discharge) sensitive device. Electrostatic charges high 4000 readily accumulate human body test equipment discharge without detection. Although AD53508 features proprietary protection circuitry, permanent damage occur devices subjected high-energy electrostatic discharges. Therefore, proper precautions recommended avoid performance degradation loss functionality.
WARNING!
SENSITIVE DEVICE
REV.
AD53508
Table Data Table
Data Latch Bits S13, S15,
Voltage Force/Current Measure Irange Irange Integrate Range Integrate Hold/Measure Current Force/Voltage Measure Irange Irange Disable Mode: Output Connected Verify/Voltage Force Verify/Current Force Disconnect
DAC2 Select: Enabled
CAPACITOR CHARGE
INTEGRATE* INTEGRATE HOLD* ACTIVE
DISCHARGE CAPACITOR HOLD
Figure Integrate/Current Measure Timing Diagram
Table Truth Table
Active Control Input M_CON* VERIFY* FORCE_I* FORCE_EN* DAC1_SEL* INTEG* HOLD* I_RANGE0* I_RANGE1* OUTPUT_CON* DAC1 DAC2 DAC1 DAC2 FV/MI FV/MI FV/MI Integrate DAC1 Voltage Settle Integrate Hold FV/MI Integrate Voltage Settle Integrate Hold DAC1 DAC2 DAC1 DAC2 DAC1 DAC2 DAC1 DAC2 FI/MV FI/MV FV/Verify FI/Verify Disconnect Disable Output Connected
REV.
AD53508
PPMU APPLICATION NOTES
PPMU used modes: VOLTAGE FORCE with CURRENT MEASURE VERIFY CURRENT FORCE; CURRENT FORCE with VOLTAGE MEASURE VERIFY VOLTAGE FORCE. both modes following setup recommended: value external integrate capacitor (EXT_RC MEAS_OUT loaded with ground. 15.0 DIGGND unless otherwise stated. resistor series with FORCE pin. resistor series with SENSE pin.
VOLTAGE FORCE WITH CURRENT MEASURE VERIFY CURRENT FORCE
Computations are: 0.25 (HIGH LOW)/4 0.50 (HIGH LOW)/4 0.75 (HIGH LOW)/4 Where -Full Scale HIGH +Full Scale. linearity tests measuring current follows MEAS_OUT pin): voltage constant these measurements. four ranges (M1, correspond CURRENT MEASURE ranges (200 respectively). endpoints linearity curve determined -full scale LOW), +full scale HIGH) readings same FORCE voltage. Using these endpoints, gain nonlinearity computed tested scale, scale, scale points. Computations are: 0.25 (HIGH LOW)/4 0.50 (HIGH LOW)/4 0.75 (HIGH LOW)/4 Where -Full Scale, HIGH +Full Scale. M_CON used disconnecting MEAS_OUT Raising M_CON Measuring MEAS_OUT (which loaded with MEAS_OUT should ideally OUTPUT_CON used disconnecting Disabling SENSE (OUTPUT_CON Loading FORCE_OUT with ground. Programming DAC1 input measuring FORCE_OUT voltage (FV1). Programming DAC1 input measuring FORCE_OUT voltage (FV2). FV1-FV2 change implies switch off-resistance
SENSE
measure leakage current measure hold mode, PPMU into Force Voltage/Measure Current Integrate mode. FORCE_A (Force Output) programmed PPMU programmed INTEGRATE mode. PPMU programmed HOLD mode. Sample MEAS_OUT. Wait Sample MEAS_OUT again. difference between must less than linearity tests forcing voltage follows FORCE pin): four ranges CURRENT MEASURE ranges (200 correspond endpoints linearity curve determined -full scale LOW), +full scale HIGH) readings same FORCE current. Using these endpoints, gain nonlinearity computed tested scale, scale, scale points.
AD53508
FORCING VOLTAGE DAC1 DAC2 ENABLE
SENSE MAIN 1.25R INTEGRATE 40pF
INT/IM
FORCE
2.5V OUTPUT
DIFF
UNITY
MEAS 1.25R GUARD GUARD
Figure Guarded Voltage Force/Current Measure, IRANGE
REV.
AD53508
CURRENT FORCE WITH VOLTAGE MEASURE VERIFY CURRENT FORCE
Measure voltage MEAS_OUT compare DAC1 FORCE loaded with source. Measure current FORCE. Measure voltage MEAS_OUT. -9.5 Measure current FORCE compare Measure voltage MEAS_OUT compare
VOLTAGE FORCE WITH CURRENT MEASURE RANGE)
linearity tests forcing current FORCE pin: FORCE loaded with voltage source. ranges CURRENT FORCE ranges correspond endpoints linearity curve determined full scale LOW), full scale HIGH) readings same FORCE voltage. Using these endpoints, gain nonlinearity computed tested scale, scale, scale points. Computations are: 0.25 (HIGH LOW)/4 0.50 (HIGH LOW)/4 0.75 (HIGH LOW)/4 Where -Full Scale HIGH +Full Scale. linearity test measuring voltage follows MEAS_OUT pin): endpoints linearity curve determined -full scale LOW), +full scale HIGH) readings. Using these endpoints, gain nonlinearity computed tested scale, scale, scale points. Computations are: 0.25 (HIGH LOW)/4 0.50 (HIGH LOW)/4 0.75 (HIGH LOW)/4 Where -Full Scale, HIGH +Full Scale.
CURRENT FORCE WITH VOLTAGE MEASURE RANGE)
DAC1 FORCE loaded with current source. Measure voltage FORCE. Measure current MEAS_OUT. 14.25 Measure voltage FORCE compare Limit Measure current MEAS_OUT compare Limit DAC1 FORCE loaded with current sink. Measure voltage FORCE. Measure current MEAS_OUT. -9.5 Measure voltage FORCE compare Limit Measure current MEAS_OUT compare
DAC1 FORCE loaded with source. Measure current FORCE. Measure voltage MEAS_OUT. Measure current FORCE compare
AD53508
FORCING VOLTAGE DAC1 DAC2 ENABLE
SENSE MAIN 1.25R INTEGRATE 40pF
SENSE
INT/IM
FORCE
2.5V OUTPUT
DIFF
UNITY
MEAS 1.25R GUARD GUARD
Figure Guarded Current Force/Voltage Measure, IRANGE
REV.
AD53508
VTERM DATA DATA HCOMP
39nF CHDCPL 39nF CLDCPL (SENSE) GUARD
AD53508
VHDCPL VOUT VLDCPL
DRIVER
COMPARATOR
LCOMP VCOMI IOLC IOLRTN IOHRTN INHL INHL IOHC
"CONNECT HIGH QUALITY, NOISE SIGNAL (GND)"
ACTIVE LOAD
VCOMS FORCE PPMU THERM DAC1 DAC2 MEAS_OUT GUARD* SENSE
PWRGND
ECLGND HQGND2 HQGND (PER CHANNEL)
SYSTEM VOLTMETER
FROM OTHER PMUs
Figure Recommended PPMU with
OUTLINE DIMENSIONS
Dimensions shown inches (mm).
44-Lead Plastic Leaded Chip Carrier (PLCC) (P-44A)
0.180 (4.57) 0.165 (4.19) 0.048 (1.21) 0.042 (1.07) 0.048 (1.21) 0.042 (1.07)
IDENTIFIER
0.056 (1.42) 0.042 (1.07)
0.025 (0.63) 0.015 (0.38)
0.050 (1.27) 0.63 (16.00) 0.59 (14.99) 0.021 (0.53) 0.013 (0.33) 0.032 (0.81) 0.026 (0.66) 0.040 (1.01) 0.025 (0.64) 0.110 (2.79) 0.085 (2.16)
VIEW
(PINS DOWN)
0.020 (0.50)
0.656 (16.66) 0.650 (16.51) 0.695 (17.65) 0.685 (17.40)
REV.
PRINTED U.S.A.
C00684-0-6/01(A)

PPMU Circuit AD53508 device provides remote force/sense capabilit

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