Datasheet

–4–
REV. A
AD6620–SPECIFICATIONS
RECOMMENDED OPERATING CONDITIONS
Test AD6620AS
Parameter Level Min Typ Max Unit
VDD I 3.0 3.3 3.6 V
T
AMBIENT
IV –40 +25 +85 °C
ELECTRICAL CHARACTERISTICS
Test AD6620AS
Parameter (Conditions) Temp Level Min Typ Max Unit
LOGIC INPUTS
1, 2, 3, 4, 5, 6, 7
(NOT 5 V TOLERANT)
Logic Compatibility Full 3.3 V CMOS
Logic “1” Voltage Full I 2.0 VDD + 0.3 V
Logic “0” Voltage Full I –0.3 0.8 V
Logic “1” Current Full I 1 10 µA
Logic “0” Current Full I 1 10 µA
Input Capacitance 25°CV 4 pF
LOGIC OUTPUTS
2, 4, 7, 8, 9, 10, 11
Logic Compatibility Full 3.3 V CMOS/TTL
Logic “1” Voltage (I
OH
= 0.5 mA) Full I 2.4 VDD – 0.2 V
Logic “0” Voltage (I
OL
= 1.0 mA) Full I 0.2 0.4 V
IDD SUPPLY CURRENT
CLK = 20 MHz
12
Full V 52 mA
CLK = 65 MHz
13
Full I 167 227 mA
Reset Mode
14
Full I 1 mA
POWER DISSIPATION
CLK = 20 MHz
12
Full V 170 mW
CLK = 65 MHz
13
Full I 550 750 mW
Reset Mode
14
Full I 3.3 mW
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.