Datasheet

XTR300
www.ti.com SBOS336C –JUNE 2005– REVISED JUNE 2011
ELECTRICAL CHARACTERISTICS: CURRENT MONITOR
Boldface limits apply over the specified temperature range: T
A
= –40°C to +85°C.
All specifications at T
A
= +25°C and V
S
= ±20V, unless otherwise noted. See Figure 4.
XTR300
PARAMETER CONDITIONS MIN TYP MAX UNIT
OUTPUT
Offset Current I
OS
I
DRV
= 0A ±30 ±100 nA
Drift dI
OS
/dT ±0.05 nA/°C
vs Power Supply PSRR V
S
= ±5V to ±22V ±0.1 ±10 nA/V
Monitor Output Swing to the Rail I
MON
= ±2.4mA (V−) + 3 (V+) − 3 V
Monitor Output Impedance I
MON
= ±2.4mA 200 MΩ
MONITOR CURRENT GAIN I
MON
= I
DRV
/10
Current Gain Error I
DRV
= ±24mA ±0.04 ±0.12 %FS
vs Temperature I
DRV
= ±24mA ±3.6 ppm/°C
Linearity Error I
DRV
= ±24mA ±0.01 ±0.1 %FS
vs Temperature I
DRV
= ±24mA ±1.5 ppm/°C
ELECTRICAL CHARACTERISTICS
Boldface limits apply over the specified temperature range: T
A
= –40°C to +85°C.
All specifications at T
A
= +25°C and V
S
= ±20V, unless otherwise noted. See Figure 4.
XTR300
PARAMETER CONDITIONS MIN TYP MAX UNIT
POWER SUPPLY
Specified Voltage Range V
S
±5 ±20 V
Operating Voltage Range ±5 ±22 V
Quiescent Current I
Q
I
DRV
= IA
OUT
= 0A 1.8 2.3 mA
Over Temperature 2.8 mA
TEMPERATURE RANGE
Specified Temperature Range −40 +85 °C
Operating Temperature Range −55 +125
(1)
°C
Storage Temperature Range −55 +125 °C
Thermal Resistance
Junction-to-Case θ
JC
15.2 °C/W
Junction-to-Ambient θ
JA
38 °C/W
THERMAL FLAG (EF
OT
) Output
Alarm (EF
OT
pin LOW) 140 °C
Return to Normal Operation (EF
OT
pin HIGH) 125 °C
DIGITAL INPUTS (M1, M2, OD)
V
IL
Low-Level Input Voltage ≤ 0.8 V
V
IH
High-Level Input Voltage > 1.4 V
Input Current ±1 μA
DIGITAL OUTPUTS (EF
LD
, EF
CM
, EF
OT
)
I
OH
High-Level Leakage Current (Open-Drain) −1.2 μA
V
OL
Low-Level Output Voltage I
OL
= 5mA 0.8 V
V
OL
Low-Level Output Voltage I
OL
= 2.8mA 0.4 V
DIGITAL GROUND PIN (V−) ≤ DGND ≤ (V+) − 7V
Current Input M1 = M2 = L, OD = H, All Digital Outputs H −25 μA
(1) EF
OT
not connected with OD.
Copyright © 2005–2011, Texas Instruments Incorporated 7