AD9741/AD9743/AD9745/AD9746/AD9747 Data Sheet
Rev. A | Page 4 of 28
T
MIN
to T
MAX
, AVDD33 = 3.3 V, DVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, I
FS
= 20 mA, full-scale digital input, maximum
sample rate, unless otherwise noted. The AD9745 is repeated in Table 2 so the user can compare it with all other parts.
Table 2. AD9745, AD9746, and AD9747
Parameter
AD9745 AD9746 AD9747
Unit Min Typ Max Min Typ Max Min Typ Max
ACCURACY
Differential Nonlinearity (DNL) ±0.13 ±0.5 ±2.0 LSB
Integral Nonlinearity (INL)
MAIN DAC OUTPUTS
Offset Error ±0.001 ±0.001 ±0.001 %FSR
Offset Error Temperature Coefficient
Gain Error ±2.0 ±2.0 ±2.0 %FSR
Gain Error Temperature Coefficient 100 100 100 ppm/°C
Gain Matching (DAC1 to DAC2) ±1.0 ±1.0 ±1.0 %FSR
Full-Scale Output Current 8.6 31.7 8.6 31.7 8.6 31.7 mA
Output Compliance Voltage −1.0 +1.0 −1.0 +1.0 −1.0 +1.0 V
Output Resistance 10 10 10 MΩ
AUXILIARY DAC OUTPUTS
Full-Scale Output Current −2.0 +2.0 −2.0 +2.0 −2.0 +2.0 mA
Output Compliance Voltage Range—Sink Current 0.8 1.6 0.8 1.6 0.8 1.6 V
Output Compliance Voltage Range—Source Current 0 1.6 0 1.6 0 1.6 V
Output Resistance 1 1 1 MΩ
Monotonicity 10 10 10 Bits
REFERENCE INPUT/OUTPUT
Output Voltage 1.2 1.2 1.2 V
Output Voltage Temperature Coefficient 10 10 10 ppm/°C
External Input Voltage Range 1.15 1.3 1.15 1.3 1.15 1.3 V
Input or Output Resistance 5 5 5 kΩ
POWER SUPPLY VOLTAGES
AVDD33, DVDD33 3.13 3.47 3.13 3.47 3.13 3.47 V
CVDD18, DVDD18 1.70 1.90 1.70 1.90 1.70 1.90 V
POWER SUPPLY CURRENTS
I
AVDD33
56 60 56 60 56 60 mA
I
DVDD33
11 15 12 16 12 16 mA
I
CVDD18
18 22 18 22 18 22 mA
I
DVDD18
30 34 31 35 32 36 mA
POWER DISSIPATION
f
DAC
= 250 MSPS, f
OUT
= 20 MHz 305 350 310 355 310 355 mW
DAC Outputs Disabled 120 125 125 mW
Full Device Power-Down 3 3 3 mW
OPERATING TEMPERATURE −40 +85 −40 +85 −40 +85 °C
