Datasheet

DAC2904
SBAS198C –AUGUST 2001–REVISED OCTOBER 2009.............................................................................................................................................. www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
T
MIN
to T
MAX
, +V
A
= +5V, +V
D
= +3.3V, differential transformer coupled output, and 50Ω doubly-terminated, unless otherwise
noted. Independent Gain Mode.
DAC2904
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DYNAMIC PERFORMANCE, continued
Output Settling Time
(2)
To 0.1% 30 ns
Output Rise Time
(2)
10% to 90% 2 ns
Output Fall Time
(2)
10% to 90% 2 ns
Glitch Impulse 2 pV-s
DC ACCURACY
Full-Scale Output Range
(3)
(FSR) All Bits HIGH, I
OUT
2 20 mA
Output Compliance Range With internal reference –1.0 +1.25 V
Gain Error—Full-Scale With internal reference –5 ±1 +5 %FSR
Gain Error With internal reference –2.5 ±1 +2.5 %FSR
Gain Matching With internal reference –2.0 0.5 +2.0 %FSR
ppmFSR/°
Gain Drift With internal reference ±50
C
Offset Error With internal reference –0.02 +0.02 %FSR
ppmFSR/°
Offset Drift With internal reference ±0.2
C
Power-Supply Rejection, +V
A
+5V, ±10% –0.2 +0.2 %FSR/V
Power-Supply Rejection, +V
D
+3.3V, ±10% –0.025 +0.025 %FSR/V
Output Noise I
OUT
= 20mA, R
LOAD
= 50Ω 50 pA/√Hz
I
OUT
= 2mA 30 pA/√Hz
Output Resistance 200 kΩ
Output Capacitance I
OUT
, I
OUT
to ground 6 pF
REFERENCE/CONTROL AMP
Reference Voltage +1.18 +1.25 +1.31 V
ppmFSR/°
Reference Voltage Drift ±50
C
Reference Output Current 100 nA
Reference Multiplying Bandwidth 0.3 MHz
Input Compliance Range +0.5 +1.25 V
DIGITAL INPUTS
Logic Coding Straight Binary
Logic High Voltage, V
IH
+V
D
= 5V 3.5 5 V
Logic Low Voltage, V
IL
+V
D
= 5V 0 1.2 V
Logic High Voltage, V
IH
+V
D
= 3.3V 2 3 V
Logic Low Voltage, V
IL
+V
D
= 3.3V 0 0.8 V
Logic High Current, I
IH
(4)
+V
D
= 3.3V ±10 μA
Logic Low Current +V
D
= 3.3V ±10 μA
Input Capacitance 5 pF
(2) Measured single-ended into 50Ω load.
(3) Nominal full-scale output current is 32 ×I
REF
; see Applicationxx section for details.
(4) Typically 45μA for the PD pin, which has an internal pull-down resistor.
4 Submit Documentation Feedback Copyright © 2001–2009, Texas Instruments Incorporated
Product Folder Link(s): DAC2904