DAC7634
www.ti.com
SBAS134A–JULY 2004–REVISED AUGUST 2004
SPECIFICATIONS (continued)
At TA = TMIN to TMAX, VDD = VCC = 5 V, VSS = –5 V, VREFH = 2.5 V, and VREFL = –2.5 V, unless otherwise noted
DAC7634E
TYP
DAC7634EB
TYP
PARAMETER
TEST CONDITIONS
UNIT
MIN
MAX
MIN
MAX
ANALOG INPUT
Voltage output
VREF
L
VREF
H
VREF
L
VREF
H
V
VREF = –2.5 V, RL = 10 kΩ,
VSS = –5 V
Output current
– 1.25
1.25
1.25
1.25
mA
pF
Maximum load capacitance
Short-circuit current
Short-circuit duration
REFERENCE INPUT
No oscillation
500
–10, 30
500
–10, +30
Indefinite
mA
GND or VCC or VSS
Indefinite
VREF
+1.25
L
VREF
+1.25
L
Ref high input voltage range
Ref low input voltage range
2.5
2.5
V
V
VREF
H
VREF
H
–2.5
–2.5
– 1.25
– 1.25
Ref high input current
Ref low input current
DYNAMIC PERFORMANCE
Settling time
500
500
µA
µA
–500
–500
To ±0.003%, 5-V output step
8
0.5
2
10
8
0.5
2
10
µs
LSB
Channel-to-channel crosstalk
Digital feedthrough
See Figure 5
nV-s
Output noise voltage
f = 10 kHz
60
60
nV/√Hz
7FFFH to 8000H or
8000H to 7FFFH
DAC glitch
40
40
nV-s
DIGITAL INPUT
VIH
0.7 × VDD
0.7 × VDD
V
V
VIL
0.3 × VDD
±10
0.3 × VDD
±10
IIH
µA
µA
IIL
±10
±10
DIGITAL OUTPUT
VOH
IOH = –0.8 mA
IOL = 1.6 mA
3.6
4.5
0.3
3.6
4.5
0.3
V
V
VOL
0.4
0.4
POWER SUPPLY
VDD
VCC
VSS
ICC
4.75
4.75
5.0
5.0
5.25
5.25
–4.75
2
4.75
4.75
5.0
5.0
5.25
5.25
–4.75
2
V
V
–5.25
–5.0
1.5
–5.25
–5.0
1.5
V
mA
µA
mA
mW
IDD
50
50
ISS
–2.3
–1.5
15
–2.3
–1.5
15
Power
20
20
3
BB [ BURR-BROWN CORPORATION ]
