AD6645ASQZ-80 Analog Devices Inc, AD6645ASQZ-80 Datasheet - Page 14

• Manufacturer Part Number: AD6645ASQZ-80
• Description: IC ADC 14BIT 80MSPS 52LQFP-PQ4
• Manufacturer: Analog Devices Inc

Specifications of AD6645ASQZ-80

• Design Resources: Low Jitter Sampling Clock Generator for High Performance ADCs Using AD9958/9858 and AD9515 (CN0109)
• Number Of Bits: 14
• Sampling Rate (per Second): 80M
• Data Interface: Parallel
• Number Of Converters: 4
• Power Dissipation (max): 1.75W
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 52-LQFP Exposed Pad, 52-eLQFP, 52-HLQFP
• For Use With: AD6645-80/PCBZ - BOARD EVAL ADC 80MSPS AD6645AD6645-MIL/PCB - BOARD EVAL AD6645-MIL/PCB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD6645
EQUIVALENT CIRCUITS
ENCODE
V
REF
AIN
AIN
AV
CURRENT
CC
MIRROR
AV
10kΩ
10kΩ
CC
Figure 34. Compensation Pin, C1 or C2
V
V
V
V
CH
CL
CH
CL
AV
Figure 32. Analog Input Stage
CC
AV
AV
Figure 33. Encode Inputs
CC
CC
AV
CC
500Ω
500Ω
LOADS
LOADS
C1, C2
BUF
BUF
BUF
AV
CC
AV
CC
10kΩ
10kΩ
T/H
T/H
VREF
AV
CC
ENCODE
Rev. D | Page 14 of 24
2.4V
CURRENT
CURRENT
MIRROR
MIRROR
DV
Figure 35. Digital Output Stage
CC
10kΩ
10kΩ
Figure 37. DMID Reference
Figure 36. 2.4 V Reference
100µA
V
REF
AV
CC
DV
DMID
DV
AV
CC
CC
CC
D0 TO D13,
OVR, DRY
VREF