AD7468BRMZ 查看數據表（PDF） - Analog Devices

零件编号

产品描述 (功能)

生产厂家

AD7468BRMZ

1.8V; 450mW; micro-power, 8/10/12-bit ADC. For battery powered systems, madical instruments, remote data acquisition, isolated data acquisition

Analog Devices 

AD7466/AD7467/AD7468

SPECIFICATIONS

AD7466

VDD = 1.6 V to 3.6 V, fSCLK = 3.4 MHz, fSAMPLE = 100 kSPS, unless otherwise noted. TA = TMIN to TMAX, unless otherwise noted.

The temperature range for the B version is −40°C to +85°C.

Table 1.

Parameter

DYNAMIC PERFORMANCE

Signal-to-Noise and Distortion (SINAD)

Signal-to-Noise Ratio (SNR)

Total Harmonic Distortion (THD)

Peak Harmonic or Spurious Noise (SFDR)

Intermodulation Distortion (IMD)

B Version

69

70

70

70

71

71

70.5

−83

−85

Second-Order Terms

−84

Third-Order Terms

−86

Aperture Delay

10

Aperture Jitter

40

Full Power Bandwidth

3.2

1.9

750

450

DC ACCURACY

Resolution

Integral Nonlinearity

Differential Nonlinearity

12

±1.5

−0.9/+1.5

Offset Error

Gain Error

Total Unadjusted Error (TUE)

ANALOG INPUT

Input Voltage Ranges

DC Leakage Current

Input Capacitance

LOGIC INPUTS

Input High Voltage, VINH

Input Low Voltage, VINL

Input Current, IIN, SCLK Pin

Input Current, IIN, CS Pin

Input Capacitance, CIN

±1

±1

±2

0 to VDD

±1

20

0.7 × VDD

2

0.2 × VDD

0.3 × VDD

0.8

±1

±1

10

Unit

dB min

dB min

dB typ

dB min

dB typ

dB min

dB typ

dB typ

dB typ

dB typ

dB typ

ns typ

ps typ

MHz typ

MHz typ

kHz typ

kHz typ

Bits

LSB max

LSB max

LSB max

LSB max

LSB max

V

μA max

pF typ

V min

V min

V max

V max

V max

μA max

μA typ

pF max

Test Conditions/Comments

fIN = 30 kHz sine wave

1.8 V ≤ VDD ≤ 2 V; see the Terminology section

2.5 V ≤ VDD ≤ 3.6 V

VDD = 1.6 V

1.8 V ≤ VDD ≤ 2 V; see the Terminology section

1.8 V ≤ VDD ≤ 2 V

2.5 V ≤ VDD ≤ 3.6 V

VDD = 1.6 V

See the Terminology section

See the Terminology section

fa = 29.1 kHz, fb = 29.9 kHz; see the Terminology

section

@ 3 dB, 2.5 V ≤ VDD ≤ 3.6 V

@ 3 dB, 1.6 V ≤ VDD ≤ 2.2 V

@ 0.1 dB, 2.5 V ≤ VDD ≤ 3.6 V

@ 0.1 dB, 1.6 V ≤ VDD ≤ 2.2 V

Maximum specifications apply as typical figures when

VDD = 1.6 V

See the Terminology section

Guaranteed no missed codes to 12 bits; see the

Terminology section

See the Terminology section

See the Terminology section

See the Terminology section

1.6 V ≤ VDD < 2.7 V

2.7 V ≤ VDD ≤ 3.6 V

1.6 V ≤ VDD < 1.8 V

1.8 V ≤ VDD < 2.7 V

2.7 V ≤ VDD ≤ 3.6 V

Typically 20 nA, VIN = 0 V or VDD

Sample tested at 25°C to ensure compliance

Rev. C | Page 3 of 28

Share Link: