ADS931

3

SBAS060A

otherwise specified. The input range is 2.25V to 3.25V when specified for +5V operation.

ADS931E

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

NOTES: (1) The single-ended input range is set by REFB and REFT values. (2) Spurious Free Dynamic Range refers to the magnitude of the largest harmonic.

(3) dBFS is dB relative to full scale. (4) Two-tone intermodulation distortion is referred to as the largest fundamental tone. (5) Based on (SINAD –1.76)/6.02. (6) No

“Rollover” of bits. (7) Offset deviation from ideal negative full scale.

Output Noise

Input AC-Grounded

0.2

LSBs rms

Aperture Delay Time

2ns

Aperture Jitter

7

ps rms

Analog Input Bandwidth

Small Signal

–20dBFS Input

350

MHz

Full Power

0dBFS Input

100

MHz

2ns

DIGITAL OUTPUTS

Logic Family

TTL/HCT Compatible CMOS

Logic Coding

Straight Offset Binary

2.4

V

0.4

V

3-State Enable Time

OE = L

20

40

ns

3-State Disable Time

OE = H

2

10

ns

Internal Pull-Down

50

k

Ω

Power-Down Enable Time

Pwrdn = L

133

ns

Power-Down Disable Time

Pwrdn = H

18

ns

Internal Pull-Down

50

k

Ω

ACCURACY

Gain Error

2.4

3.5

%FS

Referred to Ideal Midscale

±6.5

±25

mV

Power Supply Rejection (Gain)

∆ V

75

dB

External REFT Voltage Range

REFB +0.5

2

V

External REFB Voltage Range

0.8

1

REFT –0.5

V

Reference Input Resistance

4k

Ω

POWER SUPPLY REQUIREMENTS

Operating

+2.7

+3.0

+5.5

V

23

29

mA

Power Dissipation

69

87

mW

154

mW

Power Dissipation (Power Down)

10

mW

15

mW

Thermal Resistance,

θ

JA

SSOP-28

89

°C/W