Datasheet

REV. 0
–4–
AD9806–SPECIFICATIONS
AUX-MODE SPECIFICATIONS
Parameter Min Typ Max Unit
POWER CONSUMPTION
Normal (D-Reg 00) 50 mW
High-Speed (D-Reg 01) 95 mW
MAXIMUM CLOCK RATE
Normal (D-Reg 00) 18 MHz
High-Speed (D-Reg 01) 28.6 MHz
PGA (Gain Selected through Serial Interface F-Reg)
Max Input Range 700 mV p-p
Max Output Range 1000 mV p-p
Gain Control Resolution 7 Bits
Gain Range
Min Gain (Code 128) –2 dB
Max Gain (Code 255) 15 dB
ACTIVE CLAMP
Clamp Level (Selected through Serial Interface E-Reg)
CLP0 (E-Reg 00) 32 LSB
CLP1 (E-Reg 01) 48 LSB
CLP2 (E-Reg 10) 64 LSB
CLP3 (E-Reg 11) 16 LSB
TIMING SPECIFICATIONS
1
Pipeline Delay 9 Cycles
Internal Clock Delay (t
ID
)
Output Delay (t
OD
) 14.5 16 ns
Output Hold Time (t
HOLD
)7 ns
NOTES
1
20 pF loading; timing shown in Figure 2.
Specifications subject to change without notice.
AUXMID-MODE SPECIFICATIONS
Parameter Min Typ Max Unit
POWER CONSUMPTION 50 mW
MAXIMUM CLOCK RATE 18 MHz
PGA (Gain Selected through Serial Interface F-Reg)
Max Input Range 700 mV p-p
Max Output Range 1000 mV p-p
Gain Control Resolution 9 Bits
Gain Range (See Figure 5b for Gain Curve)
Min Gain (Code 512) –4 dB
Max Gain (Code 1023) 14 dB
MIDSCALE OFFSET LEVEL (AT MAX PGA GAIN) 462 512 562 LSB
TIMING SPECIFICATIONS
1
Pipeline Delay 9 Cycles
Internal Clock Delay (t
ID
)
Output Delay (t
OD
) 14.5 16 ns
Output Hold Time (t
HOLD
)7 ns
NOTES
1
20 pF loading; timing shown in Figure 2.
Specifications subject to change without notice.
(T
MIN
to T
MAX
, AVDD = DVDD = 3.0 V, f
ADCCLK
= 18 MHz, unless otherwise noted.)
(T
MIN
to T
MAX
, AVDD = DVDD = 3.0 V, f
ADCCLK
= 18 MHz, unless otherwise noted.)