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PDF AD53522 Data sheet ( Hoja de datos )
| Número de pieza | AD53522 | |
| Descripción | High Speed Dual Pin Electronic | |
| Fabricantes | Analog Devices | |
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a
High Speed
Dual Pin Electronic
AD53522
FEATURES
1000 MHz Toggle Rate
Driver/Comparator/Active Load and Dynamic Clamp
Included
Inhibit Mode Function
100-Lead LQFP Package with Built-In Heat Sink
Driver
48 ⍀ Output Resistance
800 ps Tr/Tf for a 3 V Step
Comparator
1.1 ns Propagation Delay at 3 V
Load
؎40 mA Voltage Programmable Current Range
50 ns Settling Time to 15 mV
APPLICATIONS
Automatic Test Equipment
Semiconductor Test Systems
Board Test Systems
Instrumentation and Characterization Equipment
PRODUCT DESCRIPTION
The AD53522 is a complete, high speed, single-chip solution
that performs the pin electronics functions of driver, comparator,
and active load (DCL) for ATE applications. In addition, the
driver contains a dynamic clamp function and the active load
contains an integrated Schottky diode bridge.
The driver is a proprietary design that features three active states:
Data High mode, Data Low mode, and Term mode, as well as
an Inhibit State. In conjunction with the integrated dynamic
clamp, this facilitates the implementation of a high speed active
termination. The output voltage range is –0.5 V to +6.5 V to
accommodate a wide variety of test devices.
The dual comparator, with an input range equal to the driver
output range, features PECL compatible outputs. Signal tracking
capability is in the range of 3 V/ns.
The active load can be set for up to 40 mA load current. IOH, IOL,
and the buffered VCOM are independently adjustable. On-board
Schottky diodes provide high speed switching and low capacitance.
Also included is an on-board temperature sensor that gives an
indication of the silicon surface temperature of the DCL. This
information can be used to measure JC and JA or flag an alarm
if proper cooling is lost. Output from the sensor is a current sink
FUNCTIONAL BLOCK DIAGRAM (One-Half)
VCC VCC VCC
VEE VEE VEE
VH
VTERM
DATA
DATAB
IOD
IODB
RLD
RLDB
VL
PWRD
HCOMP
VCCO
QH
QHB
QL
QLB
LCOMP
AD53522
DRIVER
VCH
VHDCPL
OUT
VLDCPL
VCL
COMPARATOR
VCOM
IOLC
IOXRTN
+1
V/I
ACTIVE LOAD
VCOM_S
INHL
INHLB
IOHC
V/I
1.0A/؇K
PROT_LO
PROT_HI
THERM*
DR_GND GND_ROT PWRGND HQGND THERMSTART
؋9
*ONLY 1 (ONE) THERM PER DEVICE
that is proportional to absolute temperature. The gain is trimmed
to a nominal value of 1.0 µA/K. As an example, the output current
can be sensed by using a 10 kΩ resistor connected from 10 V to
the THERM (IOUT) pin. A voltage drop across the resistor will
be developed that equals 10 kΩ ϫ 1 µA/°K = 10 mV/°K = 2.98 V
at room temperature.
REV. A
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved.
1 page  
AD53522
COMPARATOR1
Spec
No. Parameter
Conditions
Min Typ2
DC INPUT CHARACTERISTICS
200 VCCO Range
201 Offset Voltage (VOS)
202 Offset Voltage Drift
203 HCOMP, LCOMP
Common-Mode Voltage = 0 V
Common-Mode Voltage = 0 V
Over Linearity Range
+2.0
–25
–50
+50
BIAS CURRENTS
206 Voltage Range (VCM)
207 Differential Voltage (VDIFF)
208 Gain Error
209 Linearity Error
210 Extended Range Operation
DIGITAL OUTPUTS
220 Logic 1 Voltage Q
221 Logic 0 Voltage QB
222 Logic Differential, Q–QB
225 Slew Rate
–0.5
VIN = –0.5 V to +6.5 V
–0.25
VIN = –0.5 V to +6.5 V
–2
HCOMP, LCOMP = –1, Output –1.0
Toggle VOUT from –0.9 V to –1.1 V
Q or QB, 150 Ω to GND,
150 Ω from Q to QB
Q or QB, 150 Ω to GND,
150 Ω from Q to QB
Q or Qb, 150 Ω to GND,
150 Ω from Q to QB
Q or QB (20% – 80% of output,
150 Ω from Q to QB)
VCCO – 1.05
VCCO – 2.2
0.65 0.9
380
CHANNEL COMPARATOR SWITCHING PERFORMANCE
PROPAGATION DELAY5, 6, 7
240 Input to Output
VIN = 3 V p-p, 2 V/ns
241 Propagation Delay Tempco
VIN = 3 V p-p, 2 V/ns
Prop Delay Change with respect to:
0.7
250 Slew Rate: 1, 2, 3 V/ns
VIN = 0 V to 3 V
260 Amplitude: 500 mV, 1.0 V, 3.0 V VIN = 1.0 V/ns
270 Equivalent Input Rise Time
VIN = 0 V to 2 V, < 80 ps,
20%–80% Rise Time
Driver in VTERM = 0 V
280 Pulse Width Linearity
VIN = 0 V to 3 V, 2 V/ns, PW =
3, 4, 5, 10 ns, Driver Hi-Z mode
281 Settling Time
Settling to ± 8 mV, VIN = 0 V to
3 V, Driver Hi-Z mode
282 Hysteresis
290 Comparator Propagation Delay
VIN = 0 V to 3 V, 2 V/ns
Matching, HCOMP to LCOMP
1.0
120
100
275
25
6
INPUT CHARACTERISTICS (INHL, INHLB)
See Driver Spec No. 1
300 Input Voltage
VIOH = 1 V, VIOL = 1 V,
VCOM = 2 V, VDUT = 0 V
301 INHL, INHLB Bias Current
INHL, INHLB = 0 V, 3.3 V,
AC Tests 0.2 V and 0.8 V
302 VIOH Current Program Range,
VDUT = 0.8 V, 6.5 V
IOH = 0 mA to –40 mA
0
–250
0
Max
+4.5
+25
+50
+6.5
+7
0.0
+2
Spec3
Unit Perf
V
mV
µV/°C
µA
N
P
N
P
V
V
%FSR
mV
V
P
P
N
N
P
VCCO – 0.85 V
VCCO – 1.5 V
1.15 V
ps
P
P
P
N
1.1 ns P
ps/°C N
ps N
ps N
ps N
50 ps N
ns N
mV N
125 ps P
+3.3
+250
+4.0
VP
µA P
VP
REV. A
–5–
5 Page 
AD53522
Pin Number
60
61
62
63
64
65
66
67
68
69
70
75
76
77
78
79
80
83
84
85
86
87
91
92
93
94
95
96
97
100
Mnemonic
QL2
RLDB2
PWRD2
GND_ROT
PWRD1
RLDB1
QL1
QLB1
VCCO1
QHB1
QH1
LCOMP1
HCOMP1
VL1
VTERM1
VH1
VCOM1
DATAB1
DATA1
IODB1
IOD1
RLD1
INHLB1
INHL1
HQGND
IOHC1
IOLC1
THERM
VCOM_S1
PROT_LO1
Description
One of Two Complementary Outputs for the Logic 0 Window Comparator of Channel 2.
One of Two Complementary Inputs that Control, in Conjunction with IOD2 and IODB2, the Operating
Mode of the Channel 2 Driver. Refer to Table I for specific conditions.
Power-Down Control for Channel 2.
Analog Ground.
Power-Down Control for Channel 1.
One of Two Complementary Inputs that Control, in Conjunction with IOD1 and IODB1, the Operating
Mode of the Channel 1 Driver.
One of Two Complementary Outputs for the Logic 0 Window Comparator of Channel 1.
One of Two Complementary Outputs for the Logic 0 Window Comparator of Channel 1.
Input Supply Voltage for QH1, QHB1, QL1, and QLB1 Signals and Reference Voltage for DATA1,
DATAB1, IOD1, IODB1, RLD1, and RLDB1.
One of Two Complementary Outputs for the Logic 1 Window Comparator of Channel 1.
One of Two Complementary Outputs for the Logic 1 Window Comparator of Channel 1.
Analog Input Voltage that Sets the Logic 0 Compare Reference for the Window Comparator of Channel 1.
Analog Input Voltage that Sets the Logic 1 Compare Reference for the Window Comparator of Channel 1.
Analog Input Voltage that Sets the Logic 0 Level of the Driver Output Limit for Channel 1. Determines
the driver output for DATAB1 > DATA1.
Analog Input Voltage that Sets the Termination Voltage Level of the Channel 1 Driver when in VTERM Mode.
Analog Input Voltage that Sets the Logic 1 Level of the Driver Output Limit for Channel 1. Determines
the driver output for DATA1 > DATAB1.
Analog Input Voltage that Establishes the Commutation Voltage for the Active Load Diode Bridge for Channel 1.
One of Two Complementary Inputs that Determine the High and Low State of the Channel 1 Driver.
Driver output is high for DATA1 > DATAB1. Refer to the Driver Truth Table for specific conditions.
One of Two Complementary Inputs that Determine the High and Low State of the Channel 1 Driver.
Driver output is high for DATA1 > DATAB1. Refer to the Driver Truth Table for specific conditions.
One of Two Complementary Inputs that Control, in Conjunction with RLD1 and RLDB1, the Operating
Mode of the Channel 1 Driver. Refer to Table I for specific conditions.
One of Two Complementary Inputs that Control, in Conjunction with RLD1 and RLDB1, the Operating
Mode of the Channel 1 Driver. Refer to Table I for specific conditions.
One of Two Complementary Inputs that Control, in Conjunction with IOD1 and IODB1, the Operating
Mode of the Channel 1 Driver. Refer to Table I for specific conditions.
One of Two Complementary Inputs that Control the Inhibit Mode for the Active Load Bridge of Channel 1.
One of Two Complementary Inputs that Control the Inhibit Mode for the Active Load Bridge of Channel 1.
Clean Analog Ground for the Active Load for Channel 1.
Analog Input Voltage that Programs the Channel 1 Active Load Sink Current.
Analog Input Voltage that Programs the Channel 1 Active Load Source Current.
Temperature Sensor Output Pin. A resistor (10 kΩ) should be connected between THERM and VCC.
The approximate die temperature can be determined by measuring the current through the resistor. The
typical scale factor is 1 µA/°K.
Analog Output Voltage that Represents a Buffered VCOM1 Input.
Channel 1 Output Voltage Sensing Diode.
REV. A
–11–
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet AD53522.PDF ] | |
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