ELECTRICAL CHARACTERISTICS

BUF16821

BUF16821

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

ANALOG GAMMA BUFFER CHANNELS

Reset Value

Code 512

9

V

OUT 1–16 Output Swing: High

Code = 1023, Sourcing 10mA

17.7

17.85

V

OUT 1–16 Output Swing: Low

Code = 0, Sinking 10mA

0.07

0.3

V

Code = 1023, Sourcing 100mA

13

16.2

V

Code = 0, Sinking 100mA

0.6

2

V

Continuous Output Current

30

mA

Output Accuracy

±20

±50

mV

vs Temperature

Code 512

±25

µV/°C

Integral Nonlinearity

INL

0.3

LSB

Differential Nonlinearity

DNL

0.3

LSB

Load Regulation, 10mA

REG

0.5

1.5

mV/mA

OTP MEMORY

Number of OTP Write Cycles

16

Cycles

Memory Retention

100

Years

ANALOG POWER SUPPLY

Operating Range

9

20

V

Total Analog Supply Current

Outputs at Reset Values, No Load

12

14

mA

Over Temperature

18

mA

DIGITAL

Logic 1 Input Voltage

V

Logic 0 Input Voltage

V

Logic 0 Output Voltage

0.15

0.4

V

Input Leakage

±0.01

±10

µA

Clock Frequency

Standard/Fast Mode

400

kHz

High-Speed Mode

3.4

MHz

DIGITAL POWER SUPPLY

Operating Range

2.0

5.5

V

Outputs at Reset Values, No Load, Two-Wire Bus Inactive

115

150

µA

Over Temperature

115

µA

TEMPERATURE RANGE

Specified Range

–40

+85

°C

Operating Range

Junction Temperature < +125°C

–40

+95

°C

Storage Range

–65

+150

°C

θ

JA

HTSSOP-28

40

°C/W

(1)

Observe maximum power dissipation.

(2)

Thermal pad attached to printed circuit board (PCB), 0lfm airflow, and 76mm × 76mm copper area.

Copyright © 2008, Texas Instruments Incorporated

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