PGA2320

SBOS312B − JULY 2004 − REVISED DECEMBER 2004

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3

ELECTRICAL CHARACTERISTICS

At TA = +25°C, VA+ = +15V, VA− = −15V, VD+ = +5V, RL = 100kΩ, CL = 20pF, BW measure = 20Hz to 20kHz, unless otherwise noted.

PGA2320

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DC CHARACTERISTICS

Step Size

0.5

dB

Gain Error

Gain Setting = 31.5dB

±0.1

dB

Gain Matching

±0.1

dB

Input Resistance

12

k

Ω

Input Capacitance

18

pF

AC CHARACTERISTICS

THD+N

VIN = 10VPP, f = 1kHz

0.0003

0.001

%

Dynamic Range

VIN = AGND, Gain = 0dB

115

120

dB

Voltage Range, Input and Output

(VA−) + 0.86

(VA+) − 0.86

V

Output Noise

VIN = AGND, Gain = 0dB

10.5

17.5

µVRMS

Interchannel Crosstalk

f = 1kHz

−126

dBFS

OUTPUT BUFFER

Offset Voltage

VIN = AGND, Gain = 0dB

1

7.5

mV

Load Capacitance Stability

1000

pF

Short-Circuit Current

75

mA

Unity-Gain Bandwidth, Small Signal

1

MHz

DIGITAL CHARACTERISTICS

High-Level Input Voltage, VIH

+2.0

VD+

V

Low-Level Input Voltage, VIL

−0.3

0.8

V

High-Level Output Voltage, VOH

IO = 200µA

(VD+) − 1.0

V

Low-Level Output Voltage, VOL

IO = −2mA

0.4

V

Input Leakage Current

1

10

µA

SWITCHING CHARACTERISTICS

Serial Clock (SCLK) Frequency

tSCLK

0

6.25

MHz

Serial Clock (SCLK) Pulse Width Low

tPH

80

ns

Serial Clock (SCLK) Pulse Width

High

tPL

80

ns

MUTE Pulse Width Low

tMI

2.0

ms

Input Timing

SDI Setup Time

tSDS

20

ns

SDI Hold Time

tSDH

20

ns

CS Falling to SCLK Rising

tCSCR

90

ns

SCLK Falling to CS Rising

tCFCS

35

ns

Output Timing

CS Low to SDO Active

tCSO

35

ns

SCLK Falling to SDO Data Valid

tCFDO

60

ns

POWER SUPPLY

Operating Voltage

VA+

+4.5

+15

+15.5

V

VA−

−4.5

−15

−15.5

V

VD+

+4.5

+5

+5.5

V

Quiescent Current

IA+

VA+ = +15V

11

16

mA

IA−

VA− = −15V

11

16

mA

ID+

VD+ = +5V

0.6

1.5

mA