AD6620–SPECIFICATIONS
RECOMMENDED OPERATING CONDITIONS
Parameter
VDD
T
AMBIENT
Test
Level
I
IV
Min
3.0
–40
AD6620AS
Typ
3.3
+25
Max
3.6
+85
Unit
V
°C
ELECTRICAL CHARACTERISTICS
Parameter (Conditions)
LOGIC INPUTS
1, 2, 3, 4, 5, 6, 7
(NOT 5 V TOLERANT)
Logic Compatibility
Logic “1” Voltage
Logic “0” Voltage
Logic “1” Current
Logic “0” Current
Input Capacitance
LOGIC OUTPUTS
2, 4, 7, 8, 9, 10, 11
Logic Compatibility
Logic “1” Voltage (I
OH
= 0.5 mA)
Logic “0” Voltage (I
OL
= 1.0 mA)
IDD SUPPLY CURRENT
CLK = 20 MHz
12
CLK = 65 MHz
13
Reset Mode
14
POWER DISSIPATION
CLK = 20 MHz
12
CLK = 65 MHz
13
Reset Mode
14
Temp
Full
Full
Full
Full
Full
25°C
Full
Full
Full
Full
Full
Full
Full
Full
Full
Test
Level
Min
AD6620AS
Typ
3.3 V CMOS
I
I
I
I
V
2.0
–0.3
1
1
4
VDD + 0.3
0.8
10
10
V
V
µA
µA
pF
Max
Unit
I
I
V
I
I
V
I
I
2.4
3.3 V CMOS/TTL
VDD – 0.2
0.2
0.4
52
167
V
V
mA
mA
mA
mW
mW
mW
227
1
170
550
750
3.3
NOTES
1
Input-Only Pins: CLK,
RESET,
IN[15:0], EXP[2:0], A/B, PAR/SEL.
2
Bidirectional Pins: SYNC_NCO, SYNC_CIC, SYNC_RCF.
3
Microinterface Input Pins:
DS
(RD), R/W (WR),
CS.
4
Microinterface Bidirectional Pins: A[2:0], D[7:0].
5
JTAG Input Pins:
TRST,
TCK, TMS, TDI.
6
Serial Mode Input Pins: SDI, SBM, WL[1:0], AD, SDIV[3:0].
7
Serial Mode Bidirectional Pins: SCLK, SDFS.
8
Output Pins: OUT[15:0], DV
OUT
, A/B
OUT
, I/Q
OUT
.
9
Microinterface Output Pins:
DTACK
(RDY).
10
JTAG Output Pins: TDO.
11
Serial Mode Output Pins: SDO, SDFE.
12
Conditions for IDD @ 20 MHz. M
CIC2
= 2, M
CIC5
= 2, M
RCF
= 1, 4 RCF taps of alternating positive and negative full scale.
13
Conditions for IDD @ 65 MHz. M
CIC2
= 2, M
CIC5
= 2, M
RCF
= 1, 4 RCF taps of alternating positive and negative full scale.
14
Conditions for IDD in Reset (RESET = 0).
Specifications subject to change without notice.
–4–
REV. A
AD [ ANALOG DEVICES ]
