AD6640ASTZ Analog Devices Inc, AD6640ASTZ Datasheet - Page 7
AD6640ASTZ
Manufacturer Part Number
AD6640ASTZ
Description
12-BIT 65 MSPS MONOLITHIC A/D CONVERTER
Manufacturer
Analog Devices Inc
Datasheet
1.AD6640STPCB.pdf
(24 pages)
Specifications of AD6640ASTZ
Function
A/D Converter
Rf Type
Cellular/PCS, GPS
Secondary Attributes
12 Bit, 65MSPS
Package / Case
44-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD6640ASTZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
REV. A
ENCODE
V
REF
AV
AIN
AIN
CC
Figure 4. Compensation Pin, C1
Figure 2. Analog Input Stage
V
V
V
CURRENT
V
Figure 3. ENCODE Inputs
MIRROR
CH
CL
CH
CL
R1
17k
R2
8k
AV
AV
AV
CC
CC
CC
450
450
CIRCUITS
AV
TIMING
AV
CC
CC
DIGITAL OUTPUTS
C1
ENCODE INPUTS
BUF
BUF
BUF
ANALOG
AV
INPUTS
(ENCODE)
17k
(D11–D0)
CC
8k
R2
R1
AIN
AIN
V
T/H
T/H
REF
AV
CC
t
A
Figure 1. Timing Diagram
ENCODE
t
OD
N
–7–
–7–
N – 2
N + 1
2.4V
N – 1
Equivalent Circuits–AD6640
Figure 5. Digital Output Stage
Figure 6. 2.4 V Reference
CURRENT
CURRENT
MIRROR
MIRROR
DV
CC
N
0.5mA
V
REF
AV
CC
DV
AV
CC
CC
D0–D11
V
REF