CS5571 Просмотр технического описания (PDF) - Cirrus Logic

Номер в каталоге

Компоненты Описание

производитель

CS5571

±2.5 V / 5 V, 100 kSps, 16-bit, High-throughput ∆Σ ADC

Cirrus Logic 

3/25/08

10:56

CS5571

ANALOG CHARACTERISTICS (CONTINUED) TA = -40 to +85 °C; V1+ = V2+ = +2.5 V, ±5%; V1- =

V2- = -2.5 V, ±5%; VL -VLR = 3.3 V, ±5%; VREF = (VREF+) - (VREF-) = 4.096V; MCLK = 16 MHz; SMODE = VL.

DITHER = VL unless otherwise stated; BUFEN = V1+ unless otherwise stated. Connected per Figure 6.

Parameter

Min

Typ

Max

Unit

Analog Input

Analog Input Range

Unipolar

0 to +VREF / 2

V

Bipolar

±VREF / 2

V

Input Capacitance

-

10

-

pF

CVF Current (Note 6)

AIN Buffer On (BUFEN = V+) -

600

AIN Buffer Off (BUFEN = V-) -

130

ACOM -

130

-

nA

-

µA

-

µA

Voltage Reference Input

Voltage Reference Input Range

(VREF+) – (VREF-)

(Note 7) 2.4

4.096

4.2

V

Input Capacitance

-

10

-

pF

CVF Current

VREF+ Buffer On (BUFEN = V+) -

3

VREF+ Buffer Off (BUFEN = V-) -

1

VREF- -

1

-

µA

-

mA

-

mA

Power Supplies

DC Power Supply Currents

Power Consumption

IV1

-

IV2

-

IVL

-

Normal Operation Buffers On -

Buffers Off -

-

18

mA

-

1.8

mA

-

0.6

mA

85

101

mW

60

80

mW

Power Supply Rejection

(Note 8) V1+ , V2+ Supplies -

80

V1-, V2- Supplies -

80

-

dB

-

dB

6. Measured using an input signal of 1 V DC.

7. For optimum performance, VREF+ should always be less than (V+) - 0.2 volts to prevent saturation of the VREF+ input buffer.

8. Tested with 100 mVp-p on any supply up to 1 kHz. V1+ and V2+ supplies at the same voltage potential, V1- and V2- supplies at

the same voltage potential.

DS768PP1

5

Share Link: