Datasheet AD9240 (Analog Devices) - 5

AD9240 SWITCHING SPECIFICATIONS (TMIN to TMAX with AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, RBIAS = 2 k
⍀
, CL = 20 pF) Parameters Symbol AD9240 Units
Clock Period1 tC 100 ns min CLOCK Pulsewidth High tCH 45 ns min CLOCK Pulsewidth Low tCL 45 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 DATA DATA 1 OUTPUT
Figure 1. Timing Diagram
ABSOLUTE MAXIMUM RATINGS* With Respect Parameter to Min Max Units
AVDD AVSS –0.3 +6.5 V
PIN CONFIGURATION
DVDD DVSS –0.3 +6.5 V AVSS DVSS –0.3 +0.3 V AVDD DVDD –6.5 +6.5 V DRVDD DRVSS –0.3 +6.5 V
NC NC VINB VINA NC CML NC CAPT CAPB BIAS NC 44 43 42 41 40 39 38 37 36 35 34
DRVSS AVSS –0.3 +0.3 V REFCOM AVSS –0.3 +0.3 V
DVSS 1 33 REFCOM PIN 1
CLK AVSS –0.3 AVDD
IDENTIFIER
+ 0.3 V
AVSS 2 32 VREF
Digital Outputs DRVSS –0.3 DRVDD + 0.3 V
DVDD 3 31 SENSE
VINA, VINB AVSS –0.3 AVDD + 0.3 V
AVDD 4 30 NC
VREF AVSS –0.3 AVDD + 0.3 V
DRVSS 5 29 AD9240 AVSS
SENSE AVSS –0.3 AVDD + 0.3 V
DRVDD 6 TOP VIEW 28 AVDD
CAPB, CAPT AVSS –0.3 AVDD
(Not to Scale)
+ 0.3 V
CLK 7 27 NC
BIAS AVSS –0.3 AVDD + 0.3 V
NC 8 26 NC
Junction Temperature +150 °C
NC 9 25 OTR
Storage Temperature –65 +150 °C
NC 10 24 BIT 1 (MSB)
Lead Temperature
(LSB) BIT 14 11 23 BIT 2
(10 sec) +300 °C
12 13 14 15 16 17 18 19 20 21 22
*Stresses above those listed under Absolute Maximum Ratings may cause perma- 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 AD9240 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. B