Datasheet
–2–
AD9761–SPECIFICATIONS
AD9761
–3–
DC SPECIFICATIONS
(T
MIN
to T
Max
, AVDD = 5 V, DVDD = 5 V, I
OUTFS
= 10 mA, unless otherwise noted.)
Parameter Min Typ Max Unit
RESOLUTION 10 Bits
DC ACCURACY
1
Integral Nonlinearity Error (INL)
T
A
= 25°C –1.75 ±0.5 +1.75 LSB
T
MIN
to T
MAX
–2.75 ±0.7 +2.75 LSB
Differential Nonlinearity (DNL)
T
A
= 25°C –1 ±0.4 +1.25 LSB
T
MIN
to T
MAX
–1 ±0.5 +1.75 LSB
Monotonicity (10-Bit) Guaranteed over Rated Specication Temperature Range
ANALOG OUTPUT
Offset Error –0.05 ±0.025 +0.05 % of FSR
Offset Matching between DACs –0.10 ±0.05 +0.10 % of FSR
Gain Error (without Internal Reference) –5.5 ±1.0 +5.5 % of FSR
Gain Error (with Internal Reference) –5.5 ±1.0 +5.5 % of FSR
Gain Matching between DACs –1.0 ±0.25 +1.0 % of FSR
Full-Scale Output Current
2
10 mA
Output Compliance Range –1.0 +1.25 V
Output Resistance 100 k
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 M
TEMPERATURE COEFFICIENTS
Unipolar Offset Drift 0 ppm/°C
Gain Drift (without Internal Reference) ±50 ppm/°C
Gain Drift (with Internal Reference) ±140 ppm/°C
Gain Matching Drift (between DACs) ±25 ppm/°C
Reference Voltage Drift ±50 ppm/°C
POWER SUPPLY
AVDD
Voltage Range 3.0 5.0 5.5 V
Analog Supply Current (I
AVDD
) 26 29 mA
DVDD
Voltage Range 2.7 5.0 5.5 V
Digital Supply Current at 5 V (I
DVDD
)
4
15 18 mA
Digital Supply Current at 3 V (I
DVDD
)
4
5 mA
Nominal Power Dissipation
5
AVDD and DVDD at 3 V 93 mW
AVDD and DVDD at 5 V 200 250 mW
Power Supply Rejection Ratio (PSRR)–AVDD –0.25 +0.25 % of FSR/V
Power Supply Rejection Ratio (PSRR)–DVDD –0.02 +0.02 % of FSR/V
OPERATING RANGE –40 +85 °C
NOTES
1
Measured at IOUTA and QOUTA, driving a virtual ground.
2
Nominal full-scale current, I
OUTFS
, is 16 the I
REF
current.
3
Use an external amplier to drive any external load.
4
Measured at f
CLOCK
= 40 MSPS and f
OUT
= 1 MHz.
5
Measured as unbuffered voltage output into 50 R
LOAD
at IOUTA, IOUTB, QOUTA, and QOUTB; f
CLOCK
= 40 MSPS and f
OUT
= 8 MHz.
Specications subject to change without notice.
REV. C
REV. C