Datasheet AD9243 (Analog Devices) - 5

AD9243 SWITCHING SPECIFICATIONS (TMIN to TMAX with AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, CL = 20 pF) Parameters Symbol AD9243 Units
Clock Period1 tC 333 ns min CLOCK Pulsewidth High tCH 150 ns min CLOCK Pulsewidth Low tCL 150 ns min Output Delay tOD 8 ns min 13 ns typ 19 ns max Pipeline Delay (Latency) 3 Clock Cycles NOTES 1The clock period may be extended to 1 ms without degradation in specified performance @ +25 °C. Specifications subject to change without notice.
THERMAL CHARACTERISTICS S1 S2
Thermal Resistance
ANALOG t S4 C
44-Lead MQFP
INPUT t t S3 CH CL
θJA = 53.2°C/W θ
INPUT
JC = 19°C/W
CLOCK tOD ORDERING GUIDE DATA DATA 1 OUTPUT Temperature Package Package
Figure 1. Timing Diagram
Model Range Description Option*
AD9243AS –40°C to +85°C 44-Lead MQFP S-44 AD9243EB Evaluation Board
ABSOLUTE MAXIMUM RATINGS*
*S = Metric Quad Flatpack.
With Respect Parameter to Min Max Units
AVDD AVSS –0.3 +6.5 V
PIN CONNECTIONS
DVDD DVSS –0.3 +6.5 V AVSS DVSS –0.3 +0.3 V AVDD DVDD –6.5 +6.5 V
NC NC VINB VINA NC CML NC CAPT CAPB NC NC
DRVDD DRVSS –0.3 +6.5 V
44 43 42 41 40 39 38 37 36 35 34
DRVSS AVSS –0.3 +0.3 V
DVSS 1 33 REFCOM
REFCOM AVSS –0.3 +0.3 V
PIN 1 AVSS 2 IDENTIFIER 32 VREF
CLK DVSS –0.3 DVDD + 0.3 V
DVDD 3 31 SENSE
Digital Outputs DRVSS –0.3 DRVDD + 0.3 V
AVDD 4 30 NC
VINA, VINB AVSS –0.3 AVDD + 0.3 V
DRVSS 5 29 AVSS
VREF AVSS –0.3 AVDD
AD9243
+ 0.3 V
DRVDD 6 TOP VIEW 28 AVDD
SENSE AVSS –0.3 AVDD + 0.3 V
(Not to Scale) CLK 7 27 NC
CAPB, CAPT AVSS –0.3 AVDD + 0.3 V Junction Temperature +150 °C
NC 8 26 NC
Storage Temperature –65 +150 °C
NC 9 25 OTR
Lead Temperature
NC 10 24 BIT 1 (MSB)
(10 sec) +300 °C
(LSB) BIT 14 11 23 BIT 2
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
12 13 14 15 16 17 18 19 20 21 22
nent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational
BIT 9 BIT 8 BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 13 BIT 12 BIT 11 BIT 10
sections of this specification is not implied. Exposure to absolute maximum ratings
NC = NO CONNECT
for extended periods may effect device reliability.
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
WARNING!
accumulate on the human body and test equipment and can discharge without detection. Although the AD9243 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
ESD SENSITIVE DEVICE
precautions are recommended to avoid performance degradation or loss of functionality. –4– REV. A