ADATE320 datasheet(13/83 Pages) AD

13 / 83 page

ADATE320

Data Sheet

Rev. B | Page 12 of 82

Parameter

Min

Typ

Max

Unit

Test

Level

Test Conditions/Comments

IOLx Resolution

763

IOLx DNL

±1.25

µA

IOHx = −2.5 mA, VCOMx = 1.5 V, VDUTx = 0.0 V; after

two-point gain/offset calibration; measured over IOLx

range 0 mA to 25 mA; calibrated at DAC Code

0x451F (1 mA) and DAC Code 0xA666 (20 mA)

IOLx INL

−100

+100

µA

IOHx = −2.5 mA, VCOM = 1.5 V, VDUTx = 0.0 V, after

two-point gain/offset calibration

IOLx 90% Commutation

Voltage

0.25

0.4

IOHx = IOLx = 25 mA, VCOM = 2.0 V, measure IOLx

reference at VDUTx = −1.0 V, measure IOLx current at

VDUTx = 1.6 V, check > 90% of reference current

0.1

IOHx = IOLx = 1 mA, VCOM = 2.0 V, measure IOLx

reference at VDUTx = −1.0 V, measure IOLx current at

VDUTx = 1.9 V, check > 90% of reference current

Maximum Sink Current (IOHx)

VDUTx ≥ −0.5 V (a compliance limit is set by a 50 Ω

internal resistor as illustrated in Figure 142)

IOHx Offset

−600

+600

µA

IOLx = −2.5 mA, VCOM = 1.5 V, VDUTx = 3.0 V, offset

extrapolated from measurements at DAC Code 0x451F

(1 mA) and DAC Code 0xA666 (20 mA)

IOHx Offset TC

±1

µA/°C

IOHx Gain Error

+25

IOLx = −2.5 mA, VCOM = 1.5 V, VDUTx = 3.0 V, gain

derived from measurements at DAC Code 0x451F

(1 mA) and DAC Code 0xA666 (20 mA); based on an

ideal DAC transfer function

IOHx Gain TC

±100

ppm/°C

IOHx Resolution

763

IOHx DNL

±1.25

µA

IOLx = −2.5 mA, VCOM = 1.5 V, VDUTx = 3.0 V, after

two-point gain/offset calibration; measured over

IOHx range of 0 mA to 25 mA; calibrated at DAC

Code 0x451F (1 mA) and DAC Code 0xA666 (20 mA)

IOHx INL

−100

+100

µA

IOLx = −2.5 mA, VCOM = 1.5 V, VDUTx = 3.0 V, after

two-point gain/offset calibration

IOHx 90% Commutation

Voltage

0.25

0.4

IOHx = IOLx = 25 mA, VCOM = 2.0 V, measure IOHx

reference at VDUTx = 4.0 V, measure IOHx current at

VDUTx = 2.4 V, ensure > 90% of reference current

0.1

IOHx = IOLx = 1 mA, VCOM = 2.0 V, measure IOHx

reference at VDUTx = 4.0 V, measure IOHx current at

VDUTx = 2.1 VDUTx, ensure > 90% of reference current

AC SPECIFICATIONS

All ac measurements are performed after dc

calibration unless noted, load active on

Dynamic Performance

Toggle RCVx; DUTx terminated 50 Ω to 0.0 V; IOLx =

IOHx = 20 mA, VIH = VIL = 0.0 V; VCOM = +1.5 V for

IOLx and −1.5 V for IOHx

Propagation Delay, Load

Active On to Load Active Off

1.7

Measured from zero crossing of RCVx − RCVx to

50% of final output value; repeat for drive low and

drive high

Propagation Delay, Load

Active Off to Load Active On

2.9

Measured from zero crossing of RCVx − RCVx to

50% of final output value; repeat for drive low and

drive high

Propagation Delay Matching

1.2

Active on vs. active off; repeat for drive low and

drive high

Load Spike

140

Repeat for drive low and drive high

Settling Time to Within 5%

2.5

Measured from output crossing 50% final value to

output within 5% final value

ADATE320 датащи(PDF) 13 Page - Analog Devices

ADATE320 датащи(HTML) 13 Page - Analog Devices

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83

датащи скачать

ссылки URL