Datasheet
AD9709
Rev. B | Page 3 of 32
SPECIFICATIONS
DC SPECIFICATIONS
T
MIN
to T
MAX
, AVDD = 3.3 V or 5 V, DVDD1 = DVDD2 = 3.3 V or 5 V, I
OUTFS
= 20 mA, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit
RESOLUTION 8 Bits
DC ACCURACY
1
Integral Linearity Error (INL) −0.5 ±0.1 +0.5 LSB
Differential Nonlinearity (DNL) −0.5 ±0.1 +0.5 LSB
ANALOG OUTPUT
Offset Error −0.02 +0.02 % of FSR
Gain Error Without Internal Reference −2 ±0.25 +2 % of FSR
Gain Error with Internal Reference −5 +1 +5 % of FSR
Gain Match
T
A
= 25°C −0.3 ±0.1 +0.3 % of FSR
T
MIN
to T
MAX
−1.6 +1.6 % of FSR
T
MIN
to T
MAX
−0.14 +0.14 dB
Full-Scale Output Current
2
2.0 20.0 mA
Output Compliance Range −1.0 +1.25 V
Output Resistance 100 kΩ
Output Capacitance 5 pF
REFERENCE OUTPUT
Reference Voltage 1.14 1.20 1.26 V
Reference Output Current
3
100 nA
REFERENCE INPUT
Input Compliance Range 0.1 1.25 V
Reference Input Resistance 1 MΩ
Small-Signal Bandwidth 0.5 MHz
TEMPERATURE COEFFICIENTS
Offset Drift 0 ppm of FSR/°C
Gain Drift Without Internal Reference ±50 ppm of FSR/°C
Gain Drift with Internal Reference ±100 ppm of FSR/°C
Reference Voltage Drift ±50 ppm/°C
POWER SUPPLY
Supply Voltages
AVDD 3 5 5.5 V
DVDD1, DVDD2 2.7 5 5.5 V
Analog Supply Current (I
AVDD
) 71 75 mA
Digital Supply Current (I
DVDD
)
4
5 7 mA
Digital Supply Current (I
DVDD
)
5
15 mA
Supply Current Sleep Mode (I
AVDD
) 8 12 mA
Power Dissipation
4
(5 V, I
OUTFS
= 20 mA) 380 410 mW
Power Dissipation
5
(5 V, I
OUTFS
= 20 mA) 420 450 mW
Power Dissipation
6
(5 V, I
OUTFS
= 20 mA) 450 mW
Power Supply Rejection Ratio
7
—AVDD −0.4 +0.4 % of FSR/V
Power Supply Rejection Ratio
7
—DVDD1, DVDD2 −0.025 +0.025 % of FSR/V
OPERATING RANGE −40 +85 °C
1
Measured at I
OUTA
, driving a virtual ground.
2
Nominal full-scale current, I
OUTFS
, is 32 times the I
REF
current.
3
An external buffer amplifier with input bias current <100 nA should be used to drive any external load.
4
Measured at f
CLK
= 25 MSPS and f
OUT
= 1.0 MHz.
5
Measured at f
CLK
= 100 MSPS and f
OUT
= 1 MHz.
6
Measured as unbuffered voltage output with I
OUTFS
= 20 mA and R
LOAD
= 50 Ω at I
OUTA
and I
OUTB
, f
CLK
= 100 MSPS, and f
OUT
= 40 MHz.
7
±10% power supply variation.